# S vs Avoid Blocks

The clearest difference is price: S at Free against Avoid Blocks's $2.99. S also leads on in-app purchases (none vs 3) and update cadence (every 3 months vs every 11 months). Avoid Blocks's advantage is rating (5.0 vs 4.4) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

S is free to download; Avoid Blocks costs $2.99 up front. Avoid Blocks sells 3 one-off in-app purchases. S asks for nothing beyond the download.

Avoid Blocks holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: S has 12 ratings behind it against 1, so its average is the more settled of the two.

S ships an update every 3 months, Avoid Blocks every 11 months. The most recent releases landed on October 15, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | S | Avoid Blocks |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.4 (12 ratings)](https://appshunter.io/ios/app/s-reflex-test-4-reaction-time/id1248289644/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/avoid-blocks-reflex-game/id6738196958/reviews)** |
| Number of ratings | **12** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 11 months |
| Monetization | **Ad-supported** | Paid |
| Size | 12 MB | 41 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masaharu Tsukamoto](https://appshunter.io/developer/939316877) | [Ethisham Niazi](https://appshunter.io/developer/1777866577) |

## What reviewers say

### S

[App page](https://appshunter.io/ios/app/s-reflex-test-4-reaction-time/id1248289644)

Enhance your reflexes and reaction time with this simple target-shooting game. Practice anywhere to improve your performance in games and sports. Compete with others by logging into Game Center and joining the rankings.

**Highlights:** Target shooting gameplay, Reflex and reaction time training, Practice anywhere, Game Center login, Global rankings

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

**In-app purchases:** none


### Avoid Blocks

[App page](https://appshunter.io/ios/app/avoid-blocks-reflex-game/id6738196958)

Test your speed and strategy by dragging a white box to dodge rapidly falling red blocks. This game offers simple controls with an escalating challenge, perfect for quick plays or extended sessions to improve reaction time.

**Highlights:** Drag to dodge red blocks, Increasing speed challenge, Simple controls, hard to master, Reflex training, High score competition, Quick play sessions

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Retries | $0.99 | one-time |
| 500 Retries | $2.99 | one-time |
| 1000 Retries | $4.99 | one-time |


## Frequently asked questions

### Is S free?

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

### Is Avoid Blocks free?

Avoid Blocks costs $2.99, and also offers in-app purchases.

### Which has better reviews, S or Avoid Blocks?

Avoid Blocks is rated higher. S averages 4.4 out of 5 from 12 ratings, while Avoid Blocks averages 5.0 from 1 ratings.

### Do S or Avoid Blocks have ads?

S shows ads; Avoid Blocks does not.

### Which is updated more often, S or Avoid Blocks?

S ships an update every 3 months, and Avoid Blocks every 11 months. Most recently, S was updated on October 15, 2026 and Avoid Blocks on September 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.*