Ello 2.0 vs Adder Mania
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ello 2.0
This educational app uses AI to personalize reading and math lessons for children aged 4-9. It listens to children read aloud, identifies mistakes, and adapts content in real-time. Features include daily quests, a large book library, and early math exercises.
- AI reading tutor listens and corrects in real-time
- Adaptive learning adjusts to child's level
- 1,200+ decodable books based on Science of Reading
- Daily personalized reading and math quests
- Early math skills development
- Supports pre-readers and up to Grade 5
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Your child is unique. Their learning should be too. More than games. Real teaching. Ages 4–9. Ello listens to your child, catches mistakes, and adjusts to their level — built by literacy researchers and speech scientists. Most kids' apps are tappable games with a quiz bolted on. Ello actually teaches. It listens to your child read out loud, catches mistakes, and adjusts the next session based on what they got wrong. Featured by Good Morning America, Time Magazine, and Common Sense Media. Free to start. No ads. Ever. Download and explore Ello's reading games, math games, and Daily Quests completely free. How Ello actually teaches: Ello's AI listens to your child read out loud, catches mistakes, and adjusts the next session to match. No other reading app does real-time listening, a full book library, and early math in a single daily session. - Daily Quests — a personalized mix of reading and math, up to 15 min per day - 1,200+ decodable books built on the Science of Reading - Math for kids — counting, numbers, and addition - AI reading tutor — listens, corrects, and guides in real time - Pre-K ready — supports pre-readers starting in pre-K - Adaptive learning — meets your child exactly where they are - Kid-safe — no ads, no in-app purchases Reading, math, and a reason to keep coming back. Ello covers phonics, early reading, and math for kids from preschool through Grade 5. Whether your child is a pre-reader learning the alphabet, a kindergartener building phonics skills, or a 2nd grader who needs a math tutor — Ello adapts to them. "She struggled with reading, but Ello makes it fun. Now she asks to read every day." — Jamie M. "My son's reading level jumped two grades in three months." — Lola P. Reading tutor. Math tutor. One app. Download free — your child's first Daily Quest is waiting.
Adder Mania
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A simple app to teach addition, subtraction, and multiplication of single digit numbers.
Screenshots
Verdict
The clearest difference is update cadence: Ello 2.0 at daily against Adder Mania's every 3 months. Ello 2.0 also leads on iOS requirement (15.0 vs 18.5). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Ello 2.0 ships an update daily, Adder Mania every 3 months. The most recent releases landed on September 20, 2026 and September 6, 2026 respectively.
| Parameter | Ello 2.0 | Adder Mania |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (8 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Daily — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 176 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Ello Technology, Inc. | Wayne Yamamoto |
In-app purchases
Ello 2.0
No in-app purchases
Adder Mania
No in-app purchases





