App Rechenrakete 20 vs Jojo's Mathe
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
App Rechenrakete 20
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Die App ist eine Lern- und Γbungsapp zur Rechenrakete 20. Sie enthΓ€lt Aufgaben zum Aufbau der Zahlen bis 20, zur Orientierung im 20er-Raum und zur Addition und Subtraktion ohne und mit ZehnerΓΌber- und -unterschreitung.
Jojo's Mathe
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Mathe-Eule makes math practice an adventure! The friendly learning owl Euline guides elementary school children (grades 1β6) through addition, subtraction, multiplication, and division β with automatic difficulty adjustment. PRACTICE WITH EULINE Euline sets four problems per round. Difficulty adjusts automatically: do well and get harder problems, need help and get easier ones. Every child stays motivated. AI LEARNING ASSISTANT Euline explains math problems in a child-friendly way β just ask! The AI owl answers patiently and clearly. No jailbreak, no inappropriate content β safe for children. HOMEWORK HELPER Take a photo of a math homework problem and Euline analyzes it. Perfect when mom and dad are busy. MATH ADVENTURES Exciting stories with built-in math problems! Choose your adventure setting and solve math puzzles in the story. AI-generated adventures create new stories. EULINE'S HIDEOUT Earn stars by solving math problems and decorate Euline's treehouse! 72 lovingly illustrated watercolor items to collect and place. GRADE BOOK All results at a glance: average, best grade, progress over time. Kids and parents can see learning progress. MULTIPLE PROFILES Siblings can create their own profiles with personal avatars on one device. Each child gets individual difficulty adjustment. PRIVACY No ads, no tracking, no account required. Learning progress and profiles are stored locally on the device. AI features require parental approval and send only the contents needed for the request through our Cloudflare proxy to the AI provider.
Screenshots
Verdict
The clearest difference is device support: App Rechenrakete 20 at 3 against Jojo's Mathe's β. App Rechenrakete 20 also leads on iOS requirement (12.0 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
App Rechenrakete 20 ships an update every 6 weeks, Jojo's Mathe monthly. The most recent releases landed on October 31, 2026 and October 18, 2026 respectively.
| Parameter | App Rechenrakete 20 | Jojo's Mathe |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Monthly β better |
| Ads | No | β |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | β |
| Requires iOS | 12.0 β better | 17.0 |
| Further details β not scored | ||
| Size | 59 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Sandra Seiwert | Gruepi GmbH |
In-app purchases
App Rechenrakete 20
No in-app purchases
Jojo's Mathe
No in-app purchases
Questions
Is App Rechenrakete 20 free?
Is Jojo's Mathe free?
Which is updated more often, App Rechenrakete 20 or Jojo's Mathe?
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