Ello
Product by Ello Technology, Inc
Facts checked: Not yet checked
Our take (not a Learning Standard rating). This label applies to learning-science judgments throughout this overview.
Our take (not a Learning Standard rating)
Ello utilizes speech recognition to provide real-time phonics decoding support while your child reads aloud. This immediate, targeted feedback aligns with established learning science principles for early literacy acquisition. However, because The Learning Standard has not yet evaluated Ello, its long-term impact on reading fluency and comprehension remains unverified.
Pros
- Employs speech recognition technology to provide immediate corrective feedback during read-aloud sessions.
- Aligns with the science of reading by delivering explicit phonics-based interventions when a reader struggles.
- Allows students to practice decoding skills using physical books rather than relying solely on screen-based text.
- Offers a token-based motivation system to encourage sustained daily reading practice over time.
Cons
- Effectiveness relies heavily on the accuracy of the speech recognition engine handling diverse childhood speech patterns.
- Does not currently assess or instruct on reading comprehension or vocabulary building beyond basic decoding.
- The high subscription cost for families may limit accessibility for struggling readers at home.
What Do We Know About Ello?
Ello offers a promising approach to building early literacy skills through real-time phonics support, though its ultimate effectiveness requires formal evaluation. Your child reads aloud from physical books while the application listens via your device microphone. When your child hesitates or mispronounces a word, the software intervenes with targeted phonetic cues rather than simply providing the correct word. This method forces active retrieval practice, requiring your child to apply decoding rules to sound out unfamiliar text. The application focuses exclusively on the mechanical aspects of reading fluency and phonemic awareness. It does not measure or instruct on reading comprehension, meaning you will still need to ask your child questions about the story to ensure they understand the narrative. Because the system relies entirely on speech recognition, its utility depends heavily on its ability to accurately parse your childs unique voice and dialect. While The Learning Standard has not yet rated Ello, its core mechanic of immediate, corrective feedback during active reading practice aligns closely with established literacy science.
How Does Ello Work?
Ello utilizes an active-listening, scaffolding approach to provide immediate decoding interventions during independent reading. The application acts as a digital reading tutor that continuously monitors audio input while a student reads a physical book aloud. When the speech recognition engine detects a significant pause or an incorrect pronunciation, it triggers an intervention. Instead of immediately reading the word for the student, Ello uses phonetic scaffolding. It highlights specific letter blends or provides the sounds of individual phonemes to prompt the student. This forces the learner to engage in active retrieval practice rather than passively listening to the correct answer. As the student successfully decodes the word, the application provides positive reinforcement and allows them to continue reading. The system tracks reading duration and accuracy, utilizing a token-based reward economy to maintain engagement. This continuous cycle of practice, error detection, and immediate phonetic correction mirrors the guided reading strategies used by human reading specialists.
Strengths and tradeoffs of Ello
Ello's biggest strength is its ability to deliver immediate corrective feedback during independent reading, while its biggest weakness is its complete reliance on speech recognition accuracy, which can struggle with childhood speech impediments. By intervening at the exact moment a student struggles with a word, Ello utilizes just-in-time scaffolding. This prevents the student from practicing errors and encoding incorrect pronunciations into their long-term memory. The application requires students to actively decode words using phonics rules rather than relying on context guessing, which aligns with the evidence-based science of reading. However, the entire pedagogical model falls apart if the artificial intelligence fails to accurately recognize what the child is saying. False positives, where the app corrects a properly read word, can cause profound frustration and disrupt reading fluency. Furthermore, Ello entirely ignores reading comprehension. A student may flawlessly decode a paragraph without understanding any of the meaning behind the words. Parents and educators must supplement this tool with active discussions about the text to ensure complete literacy development.
Who Might Benefit From Ello?
Best for early elementary students who have basic phonics knowledge but struggle with reading fluency and independent decoding. The application targets children who are transitioning from learning individual letter sounds to blending those sounds into complex words within full sentences. It serves as an excellent supplementary tool for classroom silent reading periods or daily home reading routines, providing a safety net for students who typically become frustrated when reading alone. Because it does not teach foundational phonemes from scratch, it requires the student to have already received primary literacy instruction. It is ideal for learners who need extensive, supported repetition to build reading confidence.
Data Transparency
Meets Data Transparency Standard
Ello meets our data transparency standard at Level 2 of 3 (Parent control). Level 3 needs the policy to document an API for retrieving their own data and a named export format.
25 of 35 checks passed
Level 1 · Basic protections
Does not sell data or target ads at students, limits sharing, and lets parents see and delete their child's data.
Level 2 · Parent control (meets the standard)
Families can get their data out, know who processes it, and know how long it is kept.
Level 3 · Direct data access
Families or schools can pull their own data through an API, in a stated format.
Not documented: an API for retrieving their own data, a named export format
View all 35 checks
Parent Access7/8
Does the policy mention parents specifically?
“Ello is primarily designed for and used by children under 13 years of age and parents assisting their children.”
Can parents view their child's data?
“Request access, correction or deletion of their child’s personal information. Please note that a request to delete records may lead to termination of an account, membership, or other service.”
Can parents modify their child's data?
“You can contact Ello to request access to, change, or delete your Child’s personal information by sending an email to us at [support@ello.com](mailto:support@ello.com).”
Can parents delete their child's account?
“At any time, you can refuse to permit us to collect further Personal Information from your Child in association with your account, and can request that we delete from our records the Personal Information we have collected in connection with that account.”
Is there a dedicated Children's Privacy section?
“This Policy outlines our practices for collection, use, disclosure and parental consent for the personal information of children (users under the age of 13 in the US, or the relevant age of digital consent as otherwise defined by applicable laws).”
Does it reference COPPA compliance?
“We comply with applicable laws and regulations, including the Children’s Online Privacy Protection Act (“COPPA”) and data protection legislation in countries of use.”
Does it reference FERPA compliance?
The policy says Ello does not contract with schools and does not designate itself a School Official under FERPA, so it makes no FERPA compliance claim.
Is parental consent required for child accounts?
“Ello obtains verifiable parental consent before collecting, using, or disclosing personal information from your Child.”
Data Portability2/5
Can users access their personal data?
“Right to access a copy of the personal information we hold about you.”
Can users download/export their data?
“Right to export your personal information in a format that can be transferred electronically to a third party.”
Is there a self-service data access tool?
The policy says access requests are made by emailing support and describes no self-service access tool.
Is a specific data format mentioned for export?
The policy says only 'a format that can be transferred electronically' and names no specific format.
Is there an API for data access?
The policy does not mention any API for data access.
Data Minimization3/6
Is data collection itemized?
“your child’s first name, age, birth month and year, grade, academic level, activities and interests, and educational context,”
Can the app be used without a real name?
The policy says the at-home product collects the child's first name.
Can the app be used without an email?
“No account-level or child-identifying personal information is collected, stored, or transmitted. Children use Ello freely without accounts or logins.”
Does it state collection is limited to what is necessary?
“We limit the data we process and collect from users of the application to only what is required to deliver the services.”
Is IP address anonymized or truncated?
The policy says IP addresses are collected and does not say they are anonymized or truncated.
Is location tracking explicitly excluded?
The policy does not explicitly exclude location tracking and says IP addresses are used to monitor visitor regions.
Third-Party Protection7/7
Does it explicitly state no selling of data?
“We do not sell your or your child’s personal information to third parties.”
Are third-party providers named?
“we may share these actions with our attribution and marketing analytics partners, such as Firebase, Appsflyer, and Google Analytics.”
Are providers contractually restricted?
“These providers may access or process your personal information solely for the purpose of performing their contractual obligations. We limit the information provided to these service providers to that which is reasonably necessary for them to perform their functions, and they are bound by contractual obligations on confidentiality of such information.”
No-targeted-advertising commitment?
“We do not advertise third-party products to children on Ello or display targeted advertisements within our services, nor do we track users of our application or use any tracking technologies for third party advertising purposes within the app.”
Is AI/ML data sharing addressed?
“Ello does not permit LLM providers to use this information for their own purposes or to train their general-purpose models, except as permitted by law and consistent with this policy.”
Child-specific sharing restriction?
“We do not share children's personal information with advertising networks, data brokers, or for any marketing purpose.”
Cookies/tracking limited or opt-out?
“nor do we track users of our application or use any tracking technologies for third party advertising purposes within the app.”
Deletion & Retention4/5
Can users delete their account?
“Right to delete your Ello account by following the instructions provided in the Terms of Service.”
Self-service deletion mechanism?
The policy says deletion is requested by email or by following instructions in the Terms of Service and describes no self-service deletion tool.
Specific data retention timeline?
“Raw audio recordings are deleted 30 days after the session (unless ‘General Service Improvement’ has been selected, which increases retention period to 5 years of inactive subscription)”
Auto-deletion of inactive accounts?
“Transcripts of Child sessions, and derived Learner Profiles, are deleted after 3 years of an inactive subscription (unless ‘General Service Improvement has been selected, in which case they are retained for 5 years of inactive subscription)”
Post-deletion handling described?
“All retained personal information will remain subject to the terms of this policy. Please note that if you request deletion of your personal information, complete removal may not be possible in all cases due to technical or legal constraints.”
Advertising2/4
Advertising model explicitly disclosed?
“We do not advertise third-party products to children on Ello or display targeted advertisements within our services, nor do we track users of our application or use any tracking technologies for third party advertising purposes within the app.”
Free from third-party advertisements?
The policy rules out third-party ads to children and targeted ads, but does not say the product has no advertising at all.
Children excluded from ad targeting?
“We never sell child data to third parties or advertise directly to children.”
Ad-free option available?
The policy does not state that the product is ad-free or offer an ad-free option.
Meets Data Transparency Standard
The reviewed policy met our data transparency standard. This result describes the policy disclosures we assessed. Actual practices and legal compliance were not verified.
About this evaluation: Based on automated analysis of Privacy Policy, Children's Privacy Policy and Children’s Online Privacy Protection Rule (COPPA) Notice against 35 policy-disclosure questions, including questions adapted from the Common Sense Privacy Program's published evaluation questions. TLS is not affiliated with Common Sense Media, and this is not a Common Sense rating. Quoted text is copied from the policy; unquoted notes are our summary. Results describe what the policy documents, not the company's actual practices. Privacy policies can change: this review reflects the version we analyzed and does not determine legal compliance.
Sources and review method
TLS combines product information and editorial analysis to explain how Ello works, its tradeoffs, and the questions to ask before choosing it. Product features, an instructional rationale and evidence of learning outcomes are different kinds of information.
Formal Learning Standard assessment: not yet completed. Data Transparency findings are reported separately and do not establish learning effectiveness. Read our methodology.
Frequently Asked Questions About Ello
Is Ello free?
Ello is free for classroom use by educators. For families using the application at home, it requires a subscription fee of $24.99 per month to access the coaching features and accompanying materials.
Is Ello good for struggling readers?
Yes, Ello is specifically designed to support struggling readers. By providing real-time phonetic prompts when a child gets stuck, it prevents frustration and helps them practice active decoding skills without requiring constant adult supervision.
What does Ello teach?
Ello teaches reading fluency and phonics decoding. It listens to a child read aloud and provides specific phonetic cues to help them sound out unfamiliar words. It does not teach reading comprehension, spelling, or writing skills.
Ello vs. Amira Learning: Which is better?
Both Ello and Amira Learning use speech recognition to provide real-time reading tutoring. Amira Learning is heavily integrated into school districts and includes comprehensive dyslexia screening and assessment tools. Ello focuses more on the consumer market and pairs its software with physical books to keep children engaged with tangible reading materials.
Has The Learning Standard evaluated Ello?
TLS has not yet completed a Learning Standard evaluation of how well Ello teaches. Its privacy policy has been reviewed for Data Transparency and reaches Level 2, Parent control.
Is Ello COPPA compliant?
The reviewed privacy policy references COPPA. A policy reference alone does not establish COPPA compliance. Policy review note: The policy states COPPA compliance.
Is Ello FERPA compliant?
A FERPA reference was not found in the reviewed privacy policy. This does not determine whether the app complies with FERPA. Policy review note: The policy says Ello does not contract with schools and does not designate itself a School Official under FERPA, so it makes no FERPA compliance claim.
Does Ello have a children's privacy policy?
The reviewed policy includes a dedicated children's privacy section. Policy review note: A dedicated Children's Privacy Policy exists, and the main policy has a 'Children’s information' section.
Does Ello sell student data?
The reviewed policy states that the app does not sell data. This is a policy statement; actual data practices were not verified. Policy review note: Ello states it does not sell personal information.
Can you delete your data from Ello?
The reviewed privacy policy describes account deletion. We have not tested the deletion process. Policy review note: Users can delete their account.
Follow TLS Research
Subscribe to future TLS research updates: app reviews, findings, and what the evidence shows.
Screenshots
Take Action
For Ello
If you represent Ello Technology, Inc and have a correction or new evidence, send the relevant source so we can review and update this page.
Submit a correctionDetails
- Pricing
- Free for classrooms. $24.99/month for families.
- Website
- Visit site