# Klapklok vs Rules Measure

The clearest difference is update cadence: Rules Measure at every 9 days against Klapklok's monthly. Klapklok's advantage is iOS requirement (13.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Klapklok ships an update monthly, Rules Measure every 9 days. The most recent releases landed on November 4, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Klapklok | Rules Measure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/klapklok/id6738840401/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free | — |
| Size | 4 MB | 12 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Miniot B.V.](https://appshunter.io/developer/1782527973) | [Davis McDowell](https://appshunter.io/developer/1888685588) |

## What reviewers say

### Klapklok

[App page](https://appshunter.io/ios/app/klapklok/id6738840401)

Interface with a smart device via Bluetooth to set its time and cycle through various demo modes. Users can also draw custom images directly on the device's display and save them for later recall.

**Highlights:** Bluetooth interface, Set device time, Cycle through demo modes, Draw on display, Save and recall images

**Features:** macOS Compatibility

**In-app purchases:** none


### Rules Measure

[App page](https://appshunter.io/ios/app/rules-measure/id6761289085)

**In-app purchases:** none


## Frequently asked questions

### Is Klapklok free?

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

### Is Rules Measure free?

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

### Do Klapklok or Rules Measure have ads?

Neither Klapklok nor Rules Measure shows ads.

### Which is updated more often, Klapklok or Rules Measure?

Klapklok ships an update monthly, and Rules Measure every 9 days. Most recently, Klapklok was updated on November 4, 2026 and Rules Measure on November 9, 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.*