# Unit Converter vs GuideUp

The clearest difference is in-app purchases: GuideUp at none against Unit Converter's 4. GuideUp also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.0). Unit Converter's advantage is chart position (#105 vs unranked). On price, update cadence and device support there is nothing between them.

Both are free to download. Unit Converter sells 4 in-app purchases, starting at $3.99 per month. GuideUp asks for nothing beyond the download.

Unit Converter ships an update every 3 months, GuideUp every 2 months. The most recent releases landed on October 18, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Unit Converter | GuideUp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (193K ratings)](https://appshunter.io/ios/app/unit-converter-best-unit-app/id623691968/reviews)** | — |
| Number of ratings | **193K** | — |
| Positive reviews | 75.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#105** | — |
| Size | 13 MB | 42 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alan Mrvica](https://appshunter.io/developer/593306623) | [Jacob Michael Searing](https://appshunter.io/developer/1870720058) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-best-unit-app/id623691968)

**Currently charting:** #105 Top Grossing · Travel (US App Store)

Easily convert between a wide range of units across 20 categories, including length, weight, temperature, and more. Features live currency updates for 155 world currencies, refreshed daily. Designed for simplicity and visual appeal.

**Highlights:** 20 conversion categories, Live currency updates, 155 world currencies, Daily exchange rate refresh, Simple and beautiful design, Swap units functionality

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | per month |
| Premium | $6.99 | per month |
| Premium | $24.99 | per year |
| Premium | $34.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 👍 Comprehensive conversions
- 💡 Useful for travel and cooking
- 🚀 Quick and efficient
- 👍 Intuitive interface

**What reviewers complain about**

- 🐛 Limited character input
- 🐛 Difficulty with negative numbers
- 💡 Lack of ability to quickly switch between conversions
- 💰 Pro version not worth the cost

**Reported bugs**

- Forced 5-star review prompt
- Inaccurate weight/stone conversion

**Requested features**

- Add calorie/kJ conversion
- Allow negative number input
- Improve ability to quickly switch between conversions


### GuideUp

[App page](https://appshunter.io/ios/app/guideup/id6758070981)

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

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter free?

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

### Is GuideUp free?

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

### Do Unit Converter or GuideUp have ads?

Unit Converter shows ads; GuideUp does not.

### Which is updated more often, Unit Converter or GuideUp?

Unit Converter ships an update every 3 months, and GuideUp every 2 months. Most recently, Unit Converter was updated on October 18, 2026 and GuideUp on October 1, 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.*