# RepeaterBook vs Gravity Ballistics

The clearest difference is price: RepeaterBook at Free against Gravity Ballistics's $9.99. RepeaterBook also leads on rating (4.2 vs 3.6) and update cadence (every 3 weeks vs every 21 months). Gravity Ballistics's advantage is in-app purchases (none vs 1) and iOS requirement (13.4 vs 15.0). On ads and device support there is nothing between them.

RepeaterBook is free to download; Gravity Ballistics costs $9.99 up front. RepeaterBook sells 1 in-app purchase, starting at $14.99 per year. Gravity Ballistics asks for nothing beyond the download.

RepeaterBook holds the better App Store score, 4.2 against 3.6. That said, the two scores are not equally well evidenced: RepeaterBook has 247 ratings behind it against 12, 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 50% of Gravity Ballistics's.

RepeaterBook ships an update every 3 weeks, Gravity Ballistics every 21 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | RepeaterBook | Gravity Ballistics |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.2 (247 ratings)](https://appshunter.io/ios/app/repeaterbook/id606820166/reviews)** | [3.6 (12 ratings)](https://appshunter.io/ios/app/gravity-ballistics/id6471524403/reviews) |
| Number of ratings | **247** | 12 |
| Positive reviews | **67.3% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 21 months |
| Monetization | **Free** | Paid |
| Size | 50 MB | 28 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Nicolas Associates Ltd](https://appshunter.io/developer/606820189) | [Sniper's Hide LLC](https://appshunter.io/developer/1562177599) |

## 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


### Gravity Ballistics

[App page](https://appshunter.io/ios/app/gravity-ballistics/id6471524403)

Calculate precise scope adjustments for sniper rifles using real shooting data. Input your measured bullet drop, and the app provides accurate corrections for various distances, simplifying the process without requiring extensive external information.

**Highlights:** Real shooting data input, Precise scope adjustments, Bullet drop calculation, Simplified process, No extra data inputs needed

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

**In-app purchases:** none


## Frequently asked questions

### Is RepeaterBook free?

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

### Is Gravity Ballistics free?

Gravity Ballistics costs $9.99, with no in-app purchases.

### Which has better reviews, RepeaterBook or Gravity Ballistics?

RepeaterBook is rated higher. RepeaterBook averages 4.2 out of 5 from 247 ratings, while Gravity Ballistics averages 3.6 from 12 ratings.

### Do RepeaterBook or Gravity Ballistics have ads?

Neither RepeaterBook nor Gravity Ballistics shows ads.

### Which is updated more often, RepeaterBook or Gravity Ballistics?

RepeaterBook ships an update every 3 weeks, and Gravity Ballistics every 21 months. Most recently, RepeaterBook was updated on October 24, 2026 and Gravity Ballistics on October 24, 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.*