# Stack Testers Flow Friend vs Mouse · Keyboard

The clearest difference is review sentiment: Mouse · Keyboard at 94% against Stack Testers Flow Friend's 0%. Mouse · Keyboard also leads on update cadence (every 3 weeks vs every 8 months). Stack Testers Flow Friend's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Stack Testers Flow Friend ships an update every 8 months, Mouse · Keyboard every 3 weeks. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Stack Testers Flow Friend | Mouse · Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (2.5K ratings)](https://appshunter.io/ios/app/mouse-keyboard/id1515294700/reviews)** |
| Number of ratings | — | **2.5K** |
| Positive reviews | 0.0% of reviews | **94.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 32 MB | 98 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lewis Holmes](https://appshunter.io/developer/1454834389) | [Remote Sunrise LTD](https://appshunter.io/developer/619088610) |

## What reviewers say

### Stack Testers Flow Friend

[App page](https://appshunter.io/ios/app/stack-testers-flow-friend/id1454834655)

This mobile toolkit assists environmental engineers with on-site calculations for stack testing. Quickly determine velocity and volume flow by inputting stack size and gas conditions, eliminating the need for manual calculations or laptops. It also aids in calculating differential pressure cell mA output for data logging.

**Highlights:** Velocity and volume flow calculations, Input stack size and gas conditions, Differential pressure cell mA output calculation, Preloaded Engineers Note Book content, On-site calculation tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Mouse · Keyboard

[App page](https://appshunter.io/ios/app/mouse-keyboard/id1515294700)

Transform your iPhone or iPad into a precise trackpad and full-featured keyboard for your Mac or PC. Control your computer remotely for presentations, browsing, or messaging with a natural, intuitive interface. Enjoy seamless connectivity and privacy on your local network.

**Highlights:** Precise multi-touch trackpad gestures, Full-screen keyboard with shortcuts, Works with Mac and PC, Local network privacy, Landscape and portrait modes, Quick setup

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Responsive and fast
- 💡 Useful remote control features
- 🔒 Secure and reliable
- 🎨 Clean and intuitive interface

**What reviewers complain about**

- 🐛 Occasional lag or connectivity issues
- 🔋 Drains device battery faster
- 📚 Unclear instructions or documentation

**Reported bugs**

- Cursor disappears or becomes unresponsive
- Keyboard input not registering correctly

**Requested features**

- Add volume and brightness controls
- Improve scrolling and zooming gestures
- Provide more keyboard customization options


## Frequently asked questions

### Is Stack Testers Flow Friend free?

Stack Testers Flow Friend is free to download, with no in-app purchases.

### Is Mouse · Keyboard free?

Mouse · Keyboard is free to download, with no in-app purchases.

### Do Stack Testers Flow Friend or Mouse · Keyboard have ads?

Neither Stack Testers Flow Friend nor Mouse · Keyboard shows ads.

### Which is updated more often, Stack Testers Flow Friend or Mouse · Keyboard?

Stack Testers Flow Friend ships an update every 8 months, and Mouse · Keyboard every 3 weeks. Most recently, Stack Testers Flow Friend was updated on October 5, 2026 and Mouse · Keyboard on October 12, 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.*