# AB Quantum vs Garmin Dive™

The clearest difference is in-app purchases: Garmin Dive™ at none against AB Quantum's 15. AB Quantum's advantage is update cadence (fortnightly vs every 6 weeks) and chart position (#144 vs unranked). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. AB Quantum sells 15 in-app purchases, starting at $2.99 per month. Garmin Dive™ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for AB Quantum against 4.8 for Garmin Dive™. Both are backed by a comparable volume of ratings — 2.7K and 852 respectively. Written reviews are what separate them: 45% of AB Quantum's written reviews are positive against 50% of Garmin Dive™'s.

AB Quantum ships an update fortnightly, Garmin Dive™ every 6 weeks. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | AB Quantum | Garmin Dive™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (2.7K ratings)](https://appshunter.io/ios/app/ab-quantum/id785619104/reviews) | **[4.8 (852 ratings)](https://appshunter.io/ios/app/garmin-dive/id1461262794/reviews)** |
| Number of ratings | **2.7K** | 852 |
| Positive reviews | 44.9% of reviews | **49.8% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#144** | — |
| Size | 299 MB | 505 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Applied Ballistics](https://appshunter.io/developer/785619107) | [Garmin](https://appshunter.io/developer/411046952) |

## What reviewers say

### AB Quantum

[App page](https://appshunter.io/ios/app/ab-quantum/id785619104)

**Currently charting:** #144 Top Grossing · Sports (US App Store)

This app provides a comprehensive ballistics solver and profile management tool for long-range shooting. It features a new user interface designed for single-handed use, enabling quick solutions and seamless integration with Bluetooth-enabled devices. Users can sync gun profiles, create customizable range cards, and access an updated reticle library.

**Highlights:** Ballistics solver, Profile management, Bluetooth device integration, Customizable range/target cards, Reticle library, Ballistic truing, Chronograph integration

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Elite Monthly | $2.99 | per month |
| Professional Monthly | $3.99 | per month |
| Elite Annual | $19.99 | per year |
| Professional Annual | $29.99 | per year |
| Custom Drag Model (CDM) for Berger 0.264cal 140gr Target Hybrid | $1.99 | one-time |
| Custom Drag Model (CDM) for Sierra 0.308cal 175gr MatchKing | $1.99 | one-time |
| Custom Drag Model (CDM) for Hornady 0.264cal 140gr ELD Match | $1.99 | one-time |
| Custom Drag Model (CDM) for Hornady 0.264cal 143gr ELD X | $1.99 | one-time |
| Custom Drag Model (CDM) for Hornady 0.264cal 147gr ELD Match | $1.99 | one-time |
| AB Caliber 0.224 CDMs | $9.99 | one-time |
| AB Caliber 0.243 CDMs | $9.99 | one-time |
| AB Caliber 0.264 CDMs | $9.99 | one-time |
| AB Caliber 0.284 CDMs | $9.99 | one-time |
| AB Caliber 0.308 CDMs | $9.99 | one-time |
| AB Caliber 0.338 CDMs | $9.99 | one-time |

**What reviewers like**

- 🚀 Best ballistic app
- 👍 Accurate ballistic calculations
- 👍 Comprehensive features
- 👍 Great support
- 👍 Easy to use once set up

**What reviewers complain about**

- 🐛 Buggy after updates
- 🐛 Connectivity issues with Kestrel
- 🐛 Glitches with user interface
- 👎 Difficult to navigate
- 👎 Outdated interface

**Reported bugs**

- Bullet BC not retaining custom values
- Profiles disappearing after updates
- Atmospheric data not syncing correctly
- Ballistics calculations not matching real-world data

**Requested features**

- Apple Watch app
- More reticle options
- Metric unit support
- Backup and restore functionality
- Improved range card and target card features


### Garmin Dive™

[App page](https://appshunter.io/ios/app/garmin-dive/id1461262794)

This app serves as a comprehensive diving logbook and planning tool. It automatically records dive data, tracks gas consumption, and supports various diving disciplines. Users can also discover dive sites, manage gear, and share experiences with a community.

**Highlights:** Automatic dive logging, Gas consumption tracking, Support for multiple dive types, Interactive dive site maps, Gear and service tracking, Real-time diver monitoring

**In-app purchases:** none

**What reviewers like**

- 🚀 Automatic dive logging
- 👍 Versatile for different sports
- 💡 Integrated with Garmin ecosystem
- 🚀 Ease of use
- 👍 Detailed dive information

**What reviewers complain about**

- 🐛 Sync issues with dive computer
- 🐛 Buggy and crashes
- 🔒 Requires internet connection
- 🐛 Cannot recover deleted dives
- 🐛 Dive numbers not automatically updated

**Reported bugs**

- Cannot save dive logs
- Dive sites not found in the app
- Randomly missing dive logs
- Photos not displayed chronologically
- Sync issues with Mk2i device

**Requested features**

- Dive planner in the app
- Export dive data to other apps
- Ability to combine short dives
- Import dive logs from other software
- More detailed statistics and analytics


## Frequently asked questions

### Is AB Quantum free?

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

### Is Garmin Dive™ free?

Garmin Dive™ is free to download, with no in-app purchases.

### Which has better reviews, AB Quantum or Garmin Dive™?

Garmin Dive™ is rated higher. AB Quantum averages 4.7 out of 5 from 2.7K ratings, while Garmin Dive™ averages 4.8 from 852 ratings.

### Do AB Quantum or Garmin Dive™ have ads?

Neither AB Quantum nor Garmin Dive™ shows ads.

### Which is updated more often, AB Quantum or Garmin Dive™?

AB Quantum ships an update fortnightly, and Garmin Dive™ every 6 weeks. Most recently, AB Quantum was updated on October 18, 2026 and Garmin Dive™ on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*