Colour & Learn Sign Language vs Mental Math
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Colour & Learn Sign Language
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Meet Samu and his friends in a safe and creative coloring adventure made especially for kids ages 3–6. Enjoy simple tap-to-color gameplay, adorable characters, and a calm, distraction-free experience designed for little hands. No ads. No internet required. Just pure creative fun. Why kids (and parents) love Samu’s Coloring Book: • Designed for toddlers & preschoolers • Easy tap controls – perfect for small fingers • Cute animal characters and fun scenes • Helps children learn colors and develop creativity • Works completely offline • No ads • No in-app purchases • No distractions Samu Coloring Book creates a safe digital space where children can explore their imagination, practice color recognition, and enjoy screen time in a positive way. Perfect for ages 3, 4, 5 and 6. Download today and start coloring with Samu! Samu’s Coloring Book was created by a Slovenian college art student as part of her creative studies. It is the first app in a growing collection featuring Samu and his friends. More adventures are coming soon, including Cha-Cha’s Memory Game and an interactive storybook experience. All illustrations were digitally hand-drawn with care to create a warm, safe, and imaginative world for children. Privacy Policy Samu’s Coloring Book was created with children’s safety in mind. • We do not collect, store, or share any personal data • The app contains no advertisements • No tracking or analytics are used • No internet connection is required The app works fully offline and is designed to be a safe drawing place for young children.
Mental Math
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Mental arithmetic that feels like a game. An exercise sits on a chip in the middle — 7 + 5, 9 × 8 + 4, √144. Drag it onto the right answer on the board before the clock runs out. Land it and your combo grows, taking the multiplier up to ×3. Miss and you only lose the combo: nothing here breaks. HOW IT PLAYS • 14 seconds per exercise, shown by the ring around the chip: green, then amber, then red • Answer early and score more — the bonus follows those exact colours • Three correct answers in a row lift the multiplier one step • Eight exercises per chapter, up to three stars — fewer misses, more stars • No exercise repeats inside a run TWELVE CHAPTERS 1. Adding to 20 2. Adding to 50 3. Missing addends 4. Subtraction 5. Missing subtrahends 6. Times tables 7. Division 8. Square numbers 9. Square roots 10. Big numbers 11. Order of operations 12. Everything mixed FOR PARENTS • No ads, no purchases, no accounts, no sign-up • No cross-app tracking, no advertising ID — only anonymous statistics and crash reports, so we can find bugs • Works fully offline — the app needs no internet and asks for no permissions • Progress stays on the device and never leaves it Made for primary and lower secondary school, for anyone getting their mental arithmetic back up to speed — and everyone in between.
Screenshots
Verdict
The clearest difference is iOS requirement: Mental Math at 15.0 against Colour & Learn Sign Language's 17.6. 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.
| Parameter | Colour & Learn Sign Language | Mental Math |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 74 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Eva Julia Borros | Johannes Lauber |
In-app purchases
Colour & Learn Sign Language
No in-app purchases
Mental Math
No in-app purchases
Questions
Is Colour & Learn Sign Language free?
Is Mental Math free?
Do Colour & Learn Sign Language or Mental Math have ads?
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