GeoFit vs 100 Music
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GeoFit
This educational app challenges users to fit geometric shapes into various frames, creating unique patterns. It offers a creative way to explore spatial reasoning and problem-solving with a variety of shapes and frame types.
- Geometric shape fitting
- Multiple frame types (square, hexagonal, octagonal)
- Variety of shapes (squares, diamonds, triangles, trapezoids)
- Creative pattern generation
- Spatial reasoning challenges
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Based on Donna Bretl's wood "Bretl Blocks" puzzles, GeoFit challenges you to fit small squares, diamonds, triangles, and trapezoids into square, hexagonal, and octagonal frames. Lots of "solutions" are possible, resulting in a wide variety of interesting, surprising, and beautiful patterns.
100 Music
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InstrumentLearn is an educational app where kids can learn about 100 different musical instruments while having fun! Features: - 100 beautifully illustrated instruments including piano, guitar, violin, and more - Listen to each instrument! Real sounds bring every instrument to life - Available in 10 languages (Japanese, English, Chinese, Korean, Spanish, French, German, Portuguese, Traditional Chinese, Arabic) - Learn with flashcards - Name Quiz: identify instruments from illustrations - Sound Quiz: listen to sounds and guess the instrument — a unique new quiz mode! - Track progress with the collection feature Start your adventure into the world of musical instruments! A Learning Report for parents shows your child's favourites, the kinds of things they are drawn to, and a record of the last two weeks. It stays on the device and is never sent anywhere. One app, ten languages (Japanese, English, Simplified Chinese, Traditional Chinese, Korean, Spanish, French, German, Portuguese, Arabic). Switch with one tap from the home screen — perfect for bilingual families, heritage language learners, and travel. Premium unlocks the full collection and adds auto read-aloud, which turns the cards and speaks each name hands-free — handy in the car or at bedtime. Ages 5 & Under. No data collected. No ads. No third-party SDKs. Parental Gate (multiplication challenge) protects external links.
Screenshots
Verdict
The clearest difference is in-app purchases: GeoFit at none against 100 Music's 1. GeoFit also leads on iOS requirement (9.0 vs 17.0). 100 Music's advantage is update cadence (every 6 days vs every 36 months). On price, ads 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. 100 Music sells 1 one-off in-app purchase. GeoFit asks for nothing beyond the download.
GeoFit ships an update every 36 months, 100 Music every 6 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.
| Parameter | GeoFit | 100 Music |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 36 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 9.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 16 MB | 77 MB |
| Age rating | 4+ | 4+ |
| Developer | Thomas Bretl | Sami Kuribara |
In-app purchases
GeoFit
No in-app purchases
100 Music
- Premium - All 100 Instruments$3.99
