# Senpa.io vs CashNinja

The clearest difference is in-app purchases: Senpa.io at none against CashNinja's 5. CashNinja's advantage is update cadence (daily vs every 9 months) and iOS requirement (10.0 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. CashNinja sells 5 one-off in-app purchases. Senpa.io asks for nothing beyond the download.

Senpa.io ships an update every 9 months, CashNinja daily. Both last shipped on November 2, 2026.

## The numbers

| Metric | Senpa.io | CashNinja |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (171 ratings)](https://appshunter.io/ios/app/senpaio/id1423806009/reviews)** | — |
| Number of ratings | **171** | — |
| Positive reviews | 58.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Daily** |
| Monetization | Free | — |
| Size | 13 MB | 19 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VexxusArts Ltd](https://appshunter.io/developer/1080798117) | [Daniel Danielecki](https://appshunter.io/developer/1381229544) |

## What reviewers say

### Senpa.io

[App page](https://appshunter.io/ios/app/senpaio/id1423806009)

Control a tiny cell and eat other players to grow larger in this online multiplayer game. Survive and strategize using splitting, shrinking, and dodging tactics to become the biggest cell. Discover secret skins with special usernames.

**Highlights:** Online multiplayer gameplay, Eat smaller cells to grow, Splitting and shrinking tactics, Dodging mechanics, Special secret skins, Touchscreen controls

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🎮 Engaging and addictive gameplay
- 😊 Fun and enjoyable experience
- 🚀 Smooth performance when working properly
- 🎯 Good game mechanics similar to Agar.io

**What reviewers complain about**

- 🤖 Overpowered bots with unrealistic AI
- 🐌 Severe lag and freezing issues
- 🔌 Frequent loading and connection problems
- 📱 UI/button sizing and positioning issues
- 🎨 Skin system broken and non-functional

**Reported bugs**

- Bots spawn with skins while players cannot use them
- Skin upload system shows 'pending' then disappears
- Custom skin creation disabled
- Game won't load or freezes on startup
- Login fails with 'no internet connection' error

**Requested features**

- Multiple macro speed options and settings
- Customizable button positioning and sizing
- Tap-to-move control option
- Private/custom servers for skill practice
- Chat system and friend list functionality


### CashNinja

[App page](https://appshunter.io/ios/app/cashninja/id1450304980)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3000 coins | $0.99 | one-time |
| 15000 coins | $3.99 | one-time |
| 60000 coins | $8.99 | one-time |
| 250000 coins | $23.99 | one-time |
| 1000000 coins | $79.99 | one-time |


## Frequently asked questions

### Is Senpa.io free?

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

### Is CashNinja free?

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

### Do Senpa.io or CashNinja have ads?

Neither Senpa.io nor CashNinja shows ads.

### Which is updated more often, Senpa.io or CashNinja?

Senpa.io ships an update every 9 months, and CashNinja daily. Most recently, Senpa.io was updated on November 2, 2026 and CashNinja on November 2, 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.*