# SlimTimer vs Unit Convert Go

The clearest difference is in-app purchases: Unit Convert Go at none against SlimTimer's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SlimTimer sells 2 one-off in-app purchases. Unit Convert Go asks for nothing beyond the download.

SlimTimer ships an update every 9 days, Unit Convert Go every 2 weeks. The most recent releases landed on September 18, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | SlimTimer | Unit Convert Go |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | — | Free |
| Size | 8 MB | 3 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Luan Cu Xuan](https://appshunter.io/developer/1892678405) | [晓 郭](https://appshunter.io/developer/1895645928) |

## What reviewers say

### SlimTimer

[App page](https://appshunter.io/ios/app/slimtimer-quick-countdown/id6763735588)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Remove ads | $1.99 | one-time |


### Unit Convert Go

[App page](https://appshunter.io/ios/app/unit-convert-go/id6772014993)

This utility app offers fast, offline unit conversions for everyday needs. It supports a wide range of units including length, weight, temperature, and currency, with live, two-way conversion as you type. Favorite conversions can be pinned for quick access, and all data is kept private on your device.

**Highlights:** Live, two-way conversion, Offline-friendly, Pin favorite conversions, Recent conversions saved, Latest currency rates, Light and dark mode

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SlimTimer free?

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

### Is Unit Convert Go free?

Unit Convert Go is free to download, with no in-app purchases.

### Do SlimTimer or Unit Convert Go have ads?

Neither SlimTimer nor Unit Convert Go shows ads.

### Which is updated more often, SlimTimer or Unit Convert Go?

SlimTimer ships an update every 9 days, and Unit Convert Go every 2 weeks. Most recently, SlimTimer was updated on September 18, 2026 and Unit Convert Go on August 20, 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.*