# Unlock Circle vs Reaction Speed Reflex Trainer

The clearest difference is in-app purchases: Unlock Circle at none against Reaction Speed Reflex Trainer's 4. Unlock Circle also leads on review sentiment (75% vs 53%). Reaction Speed Reflex Trainer's advantage is update cadence (every 3 months vs every 65 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Reaction Speed Reflex Trainer sells 4 in-app purchases, starting at $0.99 per 7 days. Unlock Circle asks for nothing beyond the download.

Unlock Circle ships an update every 65 months, Reaction Speed Reflex Trainer every 3 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | Unlock Circle | Reaction Speed Reflex Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (1.4K ratings)](https://appshunter.io/ios/app/reaction-speed-reflex-trainer/id1250540980/reviews)** |
| Number of ratings | — | **1.4K** |
| Positive reviews | **75.0% of reviews** | 53.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 65 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 30 MB | 27 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ARDEVTEK YAZILIM](https://appshunter.io/developer/447935952) | [Vicki Partridge](https://appshunter.io/developer/1114861973) |

## What reviewers say

### Unlock Circle

[App page](https://appshunter.io/ios/app/unlock-circle/id1076162899)

This game tests your reflexes and concentration by requiring precise taps as a line approaches a dot. It's designed to improve finger speed and brain coordination through engaging gameplay.

**Highlights:** Tap to align line with dot, Challenges reflexes, Improves finger speed, Tests brain coordination

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

**In-app purchases:** none


### Reaction Speed Reflex Trainer

[App page](https://appshunter.io/ios/app/reaction-speed-reflex-trainer/id1250540980)

Sharpen your reflexes and boost reaction speed with engaging game modes. Measure your reaction time to the millisecond, compete on global leaderboards, and track your progress. Ideal for improving focus, training reflexes, or simply for fun.

**Highlights:** Reaction time measurement, Multiple game modes, Global leaderboards, Progress tracking, Focus and reflex training

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $9.99 | per year |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 🚀 Helps improve reaction time
- 👍 Simple and straightforward
- 👍 Clean interface
- 👍 Useful for athletes and gamers

**What reviewers complain about**

- 🐛 Inaccurate timing and reaction time tracking
- 🔍 Excessive ads that interfere with gameplay
- 💰 Paid subscription required for full features
- 🐛 Crashes and bugs after purchasing ad-free version

**Reported bugs**

- Reaction time not updating correctly
- Crashes when trying to use paid features
- Ads continue to show even after purchasing ad-free version

**Requested features**

- Track personal best reaction time
- Add more game modes and challenges
- Improve ad placement and reduce interruptions


## Frequently asked questions

### Is Unlock Circle free?

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

### Is Reaction Speed Reflex Trainer free?

Reaction Speed Reflex Trainer is free to download, with in-app purchases available.

### Do Unlock Circle or Reaction Speed Reflex Trainer have ads?

Both Unlock Circle and Reaction Speed Reflex Trainer show ads.

### Which is updated more often, Unlock Circle or Reaction Speed Reflex Trainer?

Unlock Circle ships an update every 65 months, and Reaction Speed Reflex Trainer every 3 months. Most recently, Unlock Circle was updated on November 2, 2026 and Reaction Speed Reflex Trainer on November 2, 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.*