# Reflex training vs ZenLock

The clearest difference is update cadence: ZenLock at every 5 days against Reflex training's monthly. Reflex training's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

Reflex training ships an update monthly, ZenLock every 5 days. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Reflex training | ZenLock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free | — |
| Size | 32 MB | 3 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Masaya Kamimoto](https://appshunter.io/developer/1502837929) | [kohei kishimoto](https://appshunter.io/developer/1832720515) |

## What reviewers say

### Reflex training

[App page](https://appshunter.io/ios/app/reflex-training-dropnumbers/id1532253834)

This simple game challenges you to tap the smallest falling number within a 60-second time limit. Improve your reaction speed and focus with this straightforward reflex training tool.

**Highlights:** Tap the minimum falling number, Simple reflex training, 60-second time challenge, Easy-to-understand gameplay

**In-app purchases:** none


### ZenLock

[App page](https://appshunter.io/ios/app/zenlock-app-blocking-app/id6749898128)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Reflex training free?

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

### Is ZenLock free?

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

### Do Reflex training or ZenLock have ads?

Neither Reflex training nor ZenLock shows ads.

### Which is updated more often, Reflex training or ZenLock?

Reflex training ships an update monthly, and ZenLock every 5 days. Most recently, Reflex training was updated on October 16, 2026 and ZenLock on October 7, 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.*