# 测量工具Pro vs MemoK

The clearest difference is price: 测量工具Pro at $0.99 against MemoK's $1.99. 测量工具Pro also leads on iOS requirement (12.0 vs 16.0). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

测量工具Pro costs $0.99 and MemoK $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

测量工具Pro ships an update every 3 months, MemoK every 6 weeks. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 测量工具Pro | MemoK |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pro/id1206313711/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 95.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Paid | Paid |
| Size | 54 MB | 2 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [飞剑 姚](https://appshunter.io/developer/1113334129) | [胜荇 杨](https://appshunter.io/developer/1868445802) |

## What reviewers say

### 测量工具Pro

[App page](https://appshunter.io/ios/app/pro/id1206313711)

This app offers a suite of essential measurement and utility tools, including a ruler, protractor, noise meter, and distance calculator. It also features a level, compass, and flashlight for everyday tasks. Designed for convenience, it puts a collection of useful gadgets right in your pocket.

**Highlights:** Ruler with metric and inch support, Noise meter for sound decibel detection, Protractor for measuring angles, Distance measurement tool, Spirit level, Compass, Flashlight

**Features:** macOS Compatibility

**In-app purchases:** none


### MemoK

[App page](https://appshunter.io/ios/app/memok/id6757718388)

This app provides reliable background voice recording for extended sessions. It features scheduled recording windows, automatic file segmentation, and a waveform player for easy playback. Organize and export your recordings with custom filenames and attached notes.

**Highlights:** Background continuous recording, Scheduled and all-day recording modes, Smart auto-splitting of long recordings, Waveform player with live visualization, Attach text notes to recordings, Customizable export filenames, Interruption-safe recording with auto-resume

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 测量工具Pro free?

测量工具Pro costs $0.99, with no in-app purchases.

### Is MemoK free?

MemoK costs $1.99, with no in-app purchases.

### Do 测量工具Pro or MemoK have ads?

Neither 测量工具Pro nor MemoK shows ads.

### Which is updated more often, 测量工具Pro or MemoK?

测量工具Pro ships an update every 3 months, and MemoK every 6 weeks. Most recently, 测量工具Pro was updated on September 23, 2026 and MemoK on September 24, 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.*