# TETSUO vs Infinite Egg

The clearest difference is ads: TETSUO at none against Infinite Egg's shown. TETSUO also leads on iOS requirement (7.1 vs 15.1). Infinite Egg's advantage is update cadence (every 5 days vs every 2 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TETSUO ships an update every 2 months, Infinite Egg every 5 days. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | TETSUO | Infinite Egg |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 17 MB | 29 MB |
| Requires iOS | **7.1** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [NAKAYUBI CORPORATION](https://appshunter.io/developer/826300169) | [tadashi endo](https://appshunter.io/developer/1605441215) |

## What reviewers say

### TETSUO

[App page](https://appshunter.io/ios/app/tetsuo/id886919934)

**Features:** macOS Compatibility

**In-app purchases:** none


### Infinite Egg

[App page](https://appshunter.io/ios/app/infinite-egg/id6479361937)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TETSUO free?

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

### Is Infinite Egg free?

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

### Do TETSUO or Infinite Egg have ads?

Infinite Egg shows ads; TETSUO does not.

### Which is updated more often, TETSUO or Infinite Egg?

TETSUO ships an update every 2 months, and Infinite Egg every 5 days. Most recently, TETSUO was updated on October 3, 2026 and Infinite Egg on October 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.*