# NineSeconds vs Keep your reflexes

The clearest difference is ads: NineSeconds at none against Keep your reflexes's shown. Keep your reflexes's advantage is update cadence (every 2 days vs every 14 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NineSeconds ships an update every 14 months, Keep your reflexes every 2 days. The most recent releases landed on September 22, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | NineSeconds | Keep your reflexes |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 3 MB | 5 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bin Hua](https://appshunter.io/developer/1408811844) | [Masaharu Tsukamoto](https://appshunter.io/developer/939316877) |

## What reviewers say

### NineSeconds

[App page](https://appshunter.io/ios/app/nineseconds/id430249929)

A minimalist puzzle game where players connect black dots to guide a green dot to a red target. It offers a simple yet engaging challenge for brain training. Enjoy a fun, ad-free experience with straightforward objectives.

**Highlights:** Connect black dots, Guide green dot to red dot, Minimalist puzzle design, Brain training challenge, Ad-free gameplay

**Features:** Vision Pro support

**In-app purchases:** none


### Keep your reflexes

[App page](https://appshunter.io/ios/app/keep-your-reflexes-flashfive/id6746483790)

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

**In-app purchases:** none


## Frequently asked questions

### Is NineSeconds free?

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

### Is Keep your reflexes free?

Keep your reflexes is free to download, with no in-app purchases.

### Do NineSeconds or Keep your reflexes have ads?

Keep your reflexes shows ads; NineSeconds does not.

### Which is updated more often, NineSeconds or Keep your reflexes?

NineSeconds ships an update every 14 months, and Keep your reflexes every 2 days. Most recently, NineSeconds was updated on September 22, 2026 and Keep your reflexes on September 26, 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.*