# ULT vs chickatron20

The clearest difference is update cadence: chickatron20 at fortnightly against ULT's every 14 months. On price, ads, 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.

ULT ships an update every 14 months, chickatron20 fortnightly. Both last shipped on October 27, 2026.

## The numbers

| Metric | ULT | chickatron20 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Fortnightly** |
| Size | 11 MB | 29 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Stefan Jakschik](https://appshunter.io/developer/1564456337) | [Siam Water Flame Company Limited](https://appshunter.io/developer/1667441266) |

## What reviewers say

### ULT

[App page](https://appshunter.io/ios/app/ult-calculator/id1564456335)

**Features:** macOS Compatibility

**In-app purchases:** none


### chickatron20

[App page](https://appshunter.io/ios/app/chickatron20/id1667440994)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ULT free?

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

### Is chickatron20 free?

chickatron20 is free to download, with no in-app purchases.

### Do ULT or chickatron20 have ads?

Neither ULT nor chickatron20 shows ads.

### Which is updated more often, ULT or chickatron20?

ULT ships an update every 14 months, and chickatron20 fortnightly. Most recently, ULT was updated on October 27, 2026 and chickatron20 on October 27, 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.*