# RepeaterBook vs Metric Conversion tool

The clearest difference is rating: Metric Conversion tool at 4.8 against RepeaterBook's 4.2. Metric Conversion tool also leads on in-app purchases (none vs 1) and ratings volume (15K vs 240). RepeaterBook's advantage is iOS requirement (13.0 vs 15.1). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. RepeaterBook sells 1 in-app purchase, starting at $14.99 per year. Metric Conversion tool asks for nothing beyond the download.

Metric Conversion tool holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Metric Conversion tool has 15K ratings behind it against 240, so its average is the more settled of the two. Written reviews point the same way: 67% of RepeaterBook's written reviews are positive against 70% of Metric Conversion tool's.

RepeaterBook ships an update every 3 weeks, Metric Conversion tool every 10 days. The most recent releases landed on September 23, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | RepeaterBook | Metric Conversion tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (240 ratings)](https://appshunter.io/ios/app/repeaterbook/id606820166/reviews) | **[4.8 (15K ratings)](https://appshunter.io/ios/app/metric-conversion-tool/id1439430070/reviews)** |
| Number of ratings | 240 | **15K** |
| Positive reviews | 67.0% of reviews | **70.2% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free | Free |
| Size | 62 MB | 22 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nicolas Associates Ltd](https://appshunter.io/developer/606820189) | [Wight Hat](https://appshunter.io/developer/1425885740) |

## What reviewers say

### RepeaterBook

[App page](https://appshunter.io/ios/app/repeaterbook/id606820166)

Access a comprehensive, offline directory of amateur radio repeaters worldwide. Search by various criteria, view detailed information including distance and bearing, and easily submit updates. Optimized for both phones and tablets.

**Highlights:** Offline repeater directory, Worldwide coverage, Comprehensive search options, Distance and bearing display, Submit updates, Portrait/Landscape views

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $14.99 | per year |

**What reviewers like**

- 🚀 Fast and efficient repeater search functionality
- 📱 Works offline with downloaded database
- 🗺️ Location-based repeater discovery
- 👍 Free application with no cost
- 🔄 Regular database updates maintained

**What reviewers complain about**

- 🐛 Location detection issues and inaccuracies
- ❌ Missing repeaters in database
- 📱 iOS version has more issues than Android
- 🔍 Inconsistent data between app and website
- ❓ Confusing interface for new users

**Reported bugs**

- Location services showing repeaters hundreds of miles away
- App not displaying any repeaters despite correct filters
- iOS version showing incorrect frequency data
- Recent update losing user data and settings
- Location feature not finding nearby repeaters

**Requested features**

- Map display of repeater locations
- Field name labels for repeater details
- Coverage range information for repeaters
- GMRS channel display alongside frequency
- Dark mode support


### Metric Conversion tool

[App page](https://appshunter.io/ios/app/metric-conversion-tool/id1439430070)

This app provides a comprehensive unit and currency converter with a user-friendly interface. It offers offline functionality, supports over 30,000 unit conversions, and includes more than 160 currencies with live exchange rates. Users can save favorite conversions and get precise results.

**Highlights:** Offline functionality, Over 30,000 unit conversions, 160+ currencies with live rates, Save favorite conversions, Answers in fractions, Up to 5 decimal places

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

**In-app purchases:** none

**What reviewers like**

- 💡 Useful conversion tool
- 👍 Easy to use and navigate
- 🚀 Quick and efficient
- 👍 Comprehensive coverage of conversions

**What reviewers complain about**

- 🔊 Intrusive and loud ads
- 🔒 Questionable privacy practices
- 🐛 Inaccurate conversions
- 👎 Disruptive to workflow

**Reported bugs**

- Temperature conversion displaying incorrect values
- Ads triggering false memory full warnings

**Requested features**

- Paid version to remove ads
- Option to display results in preferred format
- Speed conversion (mph, km/h, etc.)


## Frequently asked questions

### Is RepeaterBook free?

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

### Is Metric Conversion tool free?

Metric Conversion tool is free to download, with no in-app purchases.

### Which has better reviews, RepeaterBook or Metric Conversion tool?

Metric Conversion tool is rated higher. RepeaterBook averages 4.2 out of 5 from 240 ratings, while Metric Conversion tool averages 4.8 from 15K ratings.

### Do RepeaterBook or Metric Conversion tool have ads?

Neither RepeaterBook nor Metric Conversion tool shows ads.

### Which is updated more often, RepeaterBook or Metric Conversion tool?

RepeaterBook ships an update every 3 weeks, and Metric Conversion tool every 10 days. Most recently, RepeaterBook was updated on September 23, 2026 and Metric Conversion tool on September 25, 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.*