# TrueOffset vs Pro Reaction Test

The clearest difference is in-app purchases: TrueOffset at none against Pro Reaction Test's 1. Pro Reaction Test's advantage is iOS requirement (15.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Pro Reaction Test sells 1 one-off in-app purchase. TrueOffset asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | TrueOffset | Pro Reaction Test |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 5 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | **iPhone, iPad, Apple TV** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Richard Bollar](https://appshunter.io/developer/1864304955) | [肖龙 刘](https://appshunter.io/developer/1871961899) |

## What reviewers say

### TrueOffset

[App page](https://appshunter.io/ios/app/trueoffset/id6757518499)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pro Reaction Test

[App page](https://appshunter.io/ios/app/pro-reaction-test/id6760889996)

Test your reflexes and memory with daily challenges and classic games. Compete with friends using challenge codes for offline play. Track your progress and unlock new features with a one-time purchase.

**Highlights:** Daily reflex and memory challenges, Offline shared challenges with codes, Six classic reaction tests, Two-player reaction duels, Progress tracking and ability charts, Lifetime Pro upgrade for unlimited access

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 终身会员 | $0.99 | one-time |


## Frequently asked questions

### Is TrueOffset free?

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

### Is Pro Reaction Test free?

Pro Reaction Test is free to download, with in-app purchases available.

### Do TrueOffset or Pro Reaction Test have ads?

Neither TrueOffset nor Pro Reaction Test shows ads.

### Which is updated more often, TrueOffset or Pro Reaction Test?

TrueOffset ships an update every 3 weeks, and Pro Reaction Test every 3 weeks. Most recently, TrueOffset was updated on October 7, 2026 and Pro Reaction Test on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*