# StarrBlocks vs Cat Genome

The clearest difference is in-app purchases: StarrBlocks at none against Cat Genome's 7. StarrBlocks also leads on update cadence (daily vs monthly) and ratings volume (6 vs 2). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Cat Genome sells 7 one-off in-app purchases. StarrBlocks asks for nothing beyond the download.

Cat Genome holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

StarrBlocks ships an update daily, Cat Genome monthly. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | StarrBlocks | Cat Genome |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (6 ratings)](https://appshunter.io/ios/app/starrblocks/id6762376790/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cat-genome/id6782740699/reviews)** |
| Number of ratings | **6** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 210 MB | 79 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Starr](https://appshunter.io/developer/1886804938) | [Jasmine Robinson](https://appshunter.io/developer/362033157) |

## What reviewers say

### StarrBlocks

[App page](https://appshunter.io/ios/app/starrblocks/id6762376790)

This app offers four distinct puzzle game experiences: a classic falling-block game, a drag-and-place block puzzle, a tactile Woodoku style game, and a physics-based stacking challenge. Each game features unique modes, themes, and visual effects for engaging gameplay.

**Highlights:** Falling-block puzzle with multiple modes, Drag-and-place block puzzle with daily challenges, Tactile Woodoku with row/column/box clears, Physics-based tower stacking game, 30+ customizable themes, Satisfying visual and haptic effects, Local and Game Center leaderboards

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Cat Genome

[App page](https://appshunter.io/ios/app/cat-genome/id6782740699)

Discover and breed unique cats with rare genetic traits, dress them up in fun outfits, and compete in various events. This game offers deep genetic simulation and extensive customization options, all playable offline.

**Highlights:** Rescue and breed cats, Unlock rare coats and genes, Dress up cats with 100+ props, Compete in Kitten League events, Deep cat genetics simulation, Build cat family trees, Fully offline gameplay

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pouch of Coins | $1.99 | one-time |
| Satchel of Coins | $4.99 | one-time |
| Quick Compete | $4.99 | one-time |
| Chest of Coins | $6.99 | one-time |
| Wild Cat Pack | $9.99 | one-time |
| Genome Loom | $9.99 | one-time |
| Vault of Coins | $19.99 | one-time |


## Frequently asked questions

### Is StarrBlocks free?

StarrBlocks is free to download, with no in-app purchases.

### Is Cat Genome free?

Cat Genome is free to download, with in-app purchases available.

### Which has better reviews, StarrBlocks or Cat Genome?

Cat Genome is rated higher. StarrBlocks averages 4.8 out of 5 from 6 ratings, while Cat Genome averages 5.0 from 2 ratings.

### Do StarrBlocks or Cat Genome have ads?

Neither StarrBlocks nor Cat Genome shows ads.

### Which is updated more often, StarrBlocks or Cat Genome?

StarrBlocks ships an update daily, and Cat Genome monthly. Most recently, StarrBlocks was updated on October 24, 2026 and Cat Genome on October 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*