# Chick Lottery vs Unvigintuple Calc

The clearest difference is in-app purchases: Unvigintuple Calc at none against Chick Lottery's 1. Unvigintuple Calc also leads on update cadence (every 2 weeks vs every 4 weeks). Chick Lottery's advantage is iOS requirement (12.0 vs 15.8.3). On price, ads and device support there is nothing between them.

Both are free to download. Chick Lottery sells 1 one-off in-app purchase. Unvigintuple Calc asks for nothing beyond the download.

Chick Lottery ships an update every 4 weeks, Unvigintuple Calc every 2 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Chick Lottery | Unvigintuple Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Size | 15 MB | 36 MB |
| Requires iOS | **12.0** | 15.8.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mihoko Araki](https://appshunter.io/developer/1476136915) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Chick Lottery

[App page](https://appshunter.io/ios/app/chick-lottery/id6504484705)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chick Lottery with no ads | $2.99 | one-time |


### Unvigintuple Calc

[App page](https://appshunter.io/ios/app/unvigintuple-calc/id6742525694)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chick Lottery free?

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

### Is Unvigintuple Calc free?

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

### Do Chick Lottery or Unvigintuple Calc have ads?

Both Chick Lottery and Unvigintuple Calc show ads.

### Which is updated more often, Chick Lottery or Unvigintuple Calc?

Chick Lottery ships an update every 4 weeks, and Unvigintuple Calc every 2 weeks. Most recently, Chick Lottery was updated on October 27, 2026 and Unvigintuple Calc on October 25, 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.*