# Justice Scale vs Reflex

The clearest difference is iOS requirement: Justice Scale at 13 against Reflex's 16.4. On price, update cadence, ads 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.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Justice Scale | Reflex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 87 MB | 45 MB |
| Requires iOS | **13** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thai Tran Hong](https://appshunter.io/developer/1858505088) | [George Chakama](https://appshunter.io/developer/1870872722) |

## What reviewers say

### Justice Scale

[App page](https://appshunter.io/ios/app/justice-scale/id6756100050)

**Features:** macOS Compatibility

**In-app purchases:** none


### Reflex

[App page](https://appshunter.io/ios/app/reflex-reaction-trainer/id6809738269)

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

**In-app purchases:** none


## Frequently asked questions

### Is Justice Scale free?

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

### Is Reflex free?

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

### Do Justice Scale or Reflex have ads?

Neither Justice Scale nor Reflex shows ads.

### Which is updated more often, Justice Scale or Reflex?

Justice Scale ships an update every 2 weeks, and Reflex every 2 weeks. Most recently, Justice Scale was updated on November 9, 2026 and Reflex on November 10, 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.*