# Reaction Time & Reflex vs Sharp Eye

The clearest difference is ads: Reaction Time & Reflex at none against Sharp Eye's shown. Reaction Time & Reflex also leads on update cadence (every 2 weeks vs monthly). Sharp Eye's advantage is iOS requirement (13.0 vs 15.3). On price, in-app purchases and device support 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 and Sharp Eye sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Reaction Time & Reflex ships an update every 2 weeks, Sharp Eye monthly. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Reaction Time & Reflex | Sharp Eye |
| --- | --- | --- |
| 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 | 57.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 71 MB | 28 MB |
| Requires iOS | 15.3 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Jan Augustyniak](https://appshunter.io/developer/1739379260) | [Ivan Gastilovic](https://appshunter.io/developer/1599069138) |

## What reviewers say

### 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


### Sharp Eye

[App page](https://appshunter.io/ios/app/sharp-eye/id6748249331)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month No Ads Subscription | $0.99 | per month |
| 6 Months No Ads Subscription | $4.99 | per 6 months |
| 1 Year No Ads Subscription | $8.99 | per year |


## Frequently asked questions

### Is Reaction Time & Reflex free?

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

### Is Sharp Eye free?

Sharp Eye is free to download, with in-app purchases available.

### Do Reaction Time & Reflex or Sharp Eye have ads?

Sharp Eye shows ads; Reaction Time & Reflex does not.

### Which is updated more often, Reaction Time & Reflex or Sharp Eye?

Reaction Time & Reflex ships an update every 2 weeks, and Sharp Eye monthly. Most recently, Reaction Time & Reflex was updated on October 30, 2026 and Sharp Eye on October 28, 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.*