# Gacha Calc vs Gacha Luck Tracker

The clearest difference is ads: Gacha Luck Tracker at none against Gacha Calc's shown. Gacha Calc's advantage is update cadence (daily vs every 5 weeks) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

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

Gacha Calc ships an update daily, Gacha Luck Tracker every 5 weeks. The most recent releases landed on October 6, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Gacha Calc | Gacha Luck Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 5 weeks |
| Size | 36 MB | 1 MB |
| Requires iOS | **14.0.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [hyeokjin cho](https://appshunter.io/developer/1859562663) | [kondo ryohei](https://appshunter.io/developer/6795023035) |

## What reviewers say

### Gacha Calc

[App page](https://appshunter.io/ios/app/gacha-calc-probability-sim/id6756255892)

**Features:** macOS Compatibility

**In-app purchases:** none


### Gacha Luck Tracker

[App page](https://appshunter.io/ios/app/gacha-luck-tracker/id6801412074)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gacha Calc free?

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

### Is Gacha Luck Tracker free?

Gacha Luck Tracker is free to download, with no in-app purchases.

### Do Gacha Calc or Gacha Luck Tracker have ads?

Gacha Calc shows ads; Gacha Luck Tracker does not.

### Which is updated more often, Gacha Calc or Gacha Luck Tracker?

Gacha Calc ships an update daily, and Gacha Luck Tracker every 5 weeks. Most recently, Gacha Calc was updated on October 6, 2026 and Gacha Luck Tracker on October 21, 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.*