# Four Seconds vs EchoVis Quiz

The clearest difference is in-app purchases: Four Seconds at none against EchoVis Quiz's 6. Four Seconds also leads on iOS requirement (10.0 vs 13.0). EchoVis Quiz's advantage is update cadence (every 6 months vs every 22 months). On price, ads and device support there is nothing between them.

Both are free to download. EchoVis Quiz sells 6 one-off in-app purchases. Four Seconds asks for nothing beyond the download.

Four Seconds ships an update every 22 months, EchoVis Quiz every 6 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Four Seconds | EchoVis Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/four-seconds/id1280965840/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 24 MB | 22 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrei Antonescu](https://appshunter.io/developer/1126352058) | [Transition Technologies S.A.](https://appshunter.io/developer/388173587) |

## What reviewers say

### Four Seconds

[App page](https://appshunter.io/ios/app/four-seconds/id1280965840)

Test your timing by stopping a timer at precisely four seconds. Compete with others on the leaderboard to see who has the best precision. It's a simple yet challenging game of skill.

**Highlights:** Precise timer stopping, Four-second challenge, Global leaderboard, Simple gameplay

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

**In-app purchases:** none


### EchoVis Quiz

[App page](https://appshunter.io/ios/app/echovis-quiz/id1584085519)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package 1 | $1.99 | one-time |
| Package 2 | $1.99 | one-time |
| Package 3 | $1.99 | one-time |
| Package 4 | $1.99 | one-time |
| Package 6 | $1.99 | one-time |
| Package 5 | $1.99 | one-time |


## Frequently asked questions

### Is Four Seconds free?

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

### Is EchoVis Quiz free?

EchoVis Quiz is free to download, with in-app purchases available.

### Do Four Seconds or EchoVis Quiz have ads?

Neither Four Seconds nor EchoVis Quiz shows ads.

### Which is updated more often, Four Seconds or EchoVis Quiz?

Four Seconds ships an update every 22 months, and EchoVis Quiz every 6 months. Most recently, Four Seconds was updated on October 24, 2026 and EchoVis Quiz on October 25, 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.*