# Watchbell vs UTM SE

The clearest difference is rating: UTM SE at 3.8 against Watchbell's 2.5. UTM SE also leads on review sentiment (55% vs 25%) and ratings volume (565 vs 2). Watchbell's advantage is in-app purchases (none vs 3) and update cadence (daily vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. UTM SE sells 3 one-off in-app purchases. Watchbell asks for nothing beyond the download.

UTM SE holds the better App Store score, 3.8 against 2.5. That said, the two scores are not equally well evidenced: UTM SE has 565 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 25% of Watchbell's written reviews are positive against 55% of UTM SE's.

Watchbell ships an update daily, UTM SE every 4 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Watchbell | UTM SE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/watchbell/id1481902080/reviews) | **[3.8 (565 ratings)](https://appshunter.io/ios/app/utm-se-retro-pc-emulator/id1564628856/reviews)** |
| Number of ratings | 2 | **565** |
| Positive reviews | 25.0% of reviews | **54.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 1.6 GB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod, Apple Watch | **iPhone, iPad, iPod, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Philipp Wallrich](https://appshunter.io/developer/805229587) | [Turing Software, LLC](https://appshunter.io/developer/1534511649) |

## What reviewers say

### Watchbell

[App page](https://appshunter.io/ios/app/watchbell/id1481902080)

This app provides a variety of sound effects for your smartwatch, including bike bells, a cowbell, and a foghorn. It's designed to help you get noticed in various situations, from cycling to simply having fun. Ensure your watch is not in silent mode and no Bluetooth devices are connected to play the sounds.

**Highlights:** Variety of sound effects, Bike bell simulation, Cowbell sound, Foghorn sound, Attention-grabbing alerts, Fun sound effects

**In-app purchases:** none


### UTM SE

[App page](https://appshunter.io/ios/app/utm-se-retro-pc-emulator/id1564628856)

Experience classic computing by running old-school games and software. This emulator supports various display modes and processor architectures, allowing you to run pre-built systems or configure your own.

**Highlights:** Run classic software and games, VGA and terminal modes, Emulates x86, ARM, PPC, RISC-V, Pre-built or custom machine configurations, Built from QEMU

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Transistor | $0.99 | one-time |
| Chip | $4.99 | one-time |
| Computer | $9.99 | one-time |

**What reviewers like**

- 🚀 Great app that can run Windows and macOS
- 👍 Useful for nostalgic reasons
- 👍 Can run Linux VMs

**What reviewers complain about**

- 🐛 Slow performance, especially on older devices
- 🐛 Crashes and freezes
- 🐛 Display and boot issues
- 🐛 Incompatible with some ISOs and VMs

**Reported bugs**

- Inability to select .img files as floppy boot images
- Crashes when trying to leave a VM
- Crashes when adjusting virtual CD-ROM drive settings

**Requested features**

- Add support for JIT compilation to improve performance
- Improve Magic Keyboard support
- Allow exporting VMs to run on other platforms


## Frequently asked questions

### Is Watchbell free?

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

### Is UTM SE free?

UTM SE is free to download, with in-app purchases available.

### Which has better reviews, Watchbell or UTM SE?

UTM SE is rated higher. Watchbell averages 2.5 out of 5 from 2 ratings, while UTM SE averages 3.8 from 565 ratings.

### Do Watchbell or UTM SE have ads?

Neither Watchbell nor UTM SE shows ads.

### Which is updated more often, Watchbell or UTM SE?

Watchbell ships an update daily, and UTM SE every 4 months. Most recently, Watchbell was updated on November 3, 2026 and UTM SE on November 3, 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.*