# Mitos.is vs Big Billy

The clearest difference is update cadence: Mitos.is at every 6 days against Big Billy's every 20 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Mitos.is sells 11 one-off in-app purchases and Big Billy sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Mitos.is ships an update every 6 days, Big Billy every 20 months. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Mitos.is | Big Billy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (861 ratings)](https://appshunter.io/ios/app/mitosis-the-game/id999167262/reviews)** | — |
| Number of ratings | **861** | — |
| Positive reviews | 71.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 20 months |
| Monetization | Free with in-app purchases | — |
| Size | 138 MB | 2 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Freakinware Studios](https://appshunter.io/developer/630210455) | [Janek Soomets](https://appshunter.io/developer/1315295062) |

## What reviewers say

### Mitos.is

[App page](https://appshunter.io/ios/app/mitosis-the-game/id999167262)

Navigate a microscopic universe, absorbing smaller cells to grow and evade larger ones. Engage in diverse multiplayer modes, join guilds, and customize your cell to dominate the cellular cosmos. Compete in daily tournaments for rewards and strategic advantages.

**Highlights:** Absorb smaller cells to grow, Evade larger cells, Diverse game modes, Daily tournaments, Guild system for strategy, Equipment and custom skins

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 Coins | $0.99 | one-time |
| 500 Coins | $1.99 | one-time |
| 1200 Coins | $3.99 | one-time |
| Starter Pack | $4.99 | one-time |
| 4000 Coins | $6.99 | one-time |
| Battle Pass | $7.99 | one-time |
| Battle Pass | $8.99 | one-time |
| Battle Pass | $9.99 | one-time |
| Battle Pass | $11.99 | one-time |
| 10000 Coins | $14.99 | one-time |
| 20000 Coins | $24.99 | one-time |

**What reviewers like**

- 🚀 Addictive and fun gameplay
- 👍 Variety of game modes
- 🚀 Smooth performance
- 👍 Customizable skins
- 👍 Great alternative to Agar.io

**What reviewers complain about**

- 🐛 Freezing and crashing issues
- 🔋 Excessive ads and in-app purchases
- 💩 Toxic community and moderation issues
- 🔒 Account and data security concerns
- 💰 Pay-to-win mechanics

**Reported bugs**

- Joystick control issues
- Inconsistent spawn and respawn mechanics
- Skin customization bugs
- Server disconnection problems
- Compatibility issues on newer devices

**Requested features**

- Offline mode
- Private/custom servers
- Better anti-cheat measures
- Improved matchmaking and skill-based lobbies
- More game modes and content updates


### Big Billy

[App page](https://appshunter.io/ios/app/big-billy/id1474512588)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade Big Billy | $3.99 | one-time |


## Frequently asked questions

### Is Mitos.is free?

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

### Is Big Billy free?

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

### Do Mitos.is or Big Billy have ads?

Neither Mitos.is nor Big Billy shows ads.

### Which is updated more often, Mitos.is or Big Billy?

Mitos.is ships an update every 6 days, and Big Billy every 20 months. Most recently, Mitos.is was updated on November 1, 2026 and Big Billy on October 26, 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.*