# Army Knots vs Gravity Ballistics

The clearest difference is price: Army Knots at Free against Gravity Ballistics's $9.99. Army Knots also leads on rating (4.8 vs 3.6) and review sentiment (89% vs 50%). Gravity Ballistics's advantage is chart position (#46 vs unranked) and iOS requirement (13.4 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Army Knots is free to download; Gravity Ballistics costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Army Knots holds the better App Store score, 4.8 against 3.6. That said, the two scores are not equally well evidenced: Army Knots has 1.1K ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 89% of Army Knots's written reviews are positive against 50% of Gravity Ballistics's.

Army Knots ships an update every 6 weeks, Gravity Ballistics every 21 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Army Knots | Gravity Ballistics |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.8 (1.1K ratings)](https://appshunter.io/ios/app/army-knots/id6446508160/reviews)** | [3.6 (12 ratings)](https://appshunter.io/ios/app/gravity-ballistics/id6471524403/reviews) |
| Number of ratings | **1.1K** | 12 |
| Positive reviews | **89.1% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 21 months |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#46** |
| Size | 47 MB | 28 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Nynix](https://appshunter.io/developer/425939481) | [Sniper's Hide LLC](https://appshunter.io/developer/1562177599) |

## What reviewers say

### Army Knots

[App page](https://appshunter.io/ios/app/army-knots/id6446508160)

Master essential knots for military training and survival with interactive 3D models and step-by-step instructions. This app provides offline access to a comprehensive knot library, allowing users to track their progress and easily find the knots they need.

**Highlights:** Extensive knot library, Rotatable 3D knot models, Step-by-step instructions, Offline access, Mastered knots tracking, Knot search functionality

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

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive UI
- 🚀 Clear instructions
- 🚀 Helpful animations
- 👍 Practical knots
- 👍 Easy to understand

**What reviewers complain about**

- 🐛 Can be confusing for beginners
- 💡 Needs more knot options

**Reported bugs**

- Some users had trouble tightening the knots

**Requested features**

- Add more knot options
- Ability to practice tying knots on-screen
- Provide more background information on each knot


### Gravity Ballistics

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

**Currently charting:** #46 Top Paid · Reference (US App Store)

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 Army Knots free?

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

### Is Gravity Ballistics free?

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

### Which has better reviews, Army Knots or Gravity Ballistics?

Army Knots is rated higher. Army Knots averages 4.8 out of 5 from 1.1K ratings, while Gravity Ballistics averages 3.6 from 12 ratings.

### Do Army Knots or Gravity Ballistics have ads?

Neither Army Knots nor Gravity Ballistics shows ads.

### Which is updated more often, Army Knots or Gravity Ballistics?

Army Knots ships an update every 6 weeks, and Gravity Ballistics every 21 months. Most recently, Army Knots was updated on October 25, 2026 and Gravity Ballistics on October 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.*