# Unlock Circle vs Reaction Time & Reflex

The clearest difference is in-app purchases: Unlock Circle at none against Reaction Time & Reflex's 13. Unlock Circle also leads on review sentiment (75% vs 58%). Reaction Time & Reflex's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 65 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Reaction Time & Reflex sells 9 in-app purchases, starting at $2.99 per 7 days. Unlock Circle asks for nothing beyond the download.

Unlock Circle ships an update every 65 months, Reaction Time & Reflex every 2 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Unlock Circle | Reaction Time & Reflex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (220 ratings)](https://appshunter.io/ios/app/reaction-time-and-reflex/id6560115310/reviews)** |
| Number of ratings | — | **220** |
| Positive reviews | **75.0% of reviews** | 57.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 65 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 30 MB | 71 MB |
| Requires iOS | **15.0** | 15.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [ARDEVTEK YAZILIM](https://appshunter.io/developer/447935952) | [Jan Augustyniak](https://appshunter.io/developer/1739379260) |

## 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 Time & Reflex

[App page](https://appshunter.io/ios/app/reaction-time-and-reflex/id6560115310)

Test and train your reflexes with a collection of fun mini-games. Measure your reaction speed in milliseconds, track your progress with detailed graphs, and compete with players worldwide on leaderboards. Challenge friends in 2-player duels.

**Highlights:** Reaction time testing, Reflex training mini-games, Progress tracking with graphs, Global leaderboards, 2-player duels, Achievements

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $2.99 | per 7 days |
| Unlimited Access | $4.99 | per month |
| Unlimited Access | $4.99 | per 7 days |
| Unlimited Access | $7.99 | per month |
| Unlimited Access | $19.99 | per year |
| Unlimited Access | $19.99 | per year |
| Unlimited Access | Free | one-time |
| Unlimited Access | $14.99 | one-time |
| Unlimited Access | $29.99 | one-time |

**What reviewers like**

- 💡 Creative and new mini-games
- 🚫 No spammy ads
- 🚫 Doesn't shove purchases
- 👍 Enjoyable and fun games
- 👍 Great for human evolution

**What reviewers complain about**

- 💸 Limited free games
- 💸 Paywall for most games
- 💸 Only two games free
- 💸 Not worth downloading without pay
- 💸 Pro version error #3

**Reported bugs**

- Horrid hit registration on falling circles
- App tracks location
- Pro version error #3
- Sound not working
- Lagging with good network

**Requested features**

- Colorblind mode
- More free games
- Unlock games in-game
- Fix falling circles minigame
- Geometry Dash game


## Frequently asked questions

### Is Unlock Circle free?

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

### Is Reaction Time & Reflex free?

Reaction Time & Reflex is free to download, with in-app purchases available.

### Do Unlock Circle or Reaction Time & Reflex have ads?

Unlock Circle shows ads; Reaction Time & Reflex does not.

### Which is updated more often, Unlock Circle or Reaction Time & Reflex?

Unlock Circle ships an update every 65 months, and Reaction Time & Reflex every 2 weeks. Most recently, Unlock Circle was updated on November 1, 2026 and Reaction Time & Reflex on October 30, 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.*