# AirsoftCalculator vs Arm

The clearest difference is rating: AirsoftCalculator at 3.7 against Arm's 1.0. AirsoftCalculator also leads on review sentiment (70% vs 50%) and ratings volume (18 vs 1). Arm's advantage is in-app purchases (none vs 5) and update cadence (every 6 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. AirsoftCalculator sells 5 in-app purchases, starting at $0.99 per 7 days. Arm asks for nothing beyond the download.

AirsoftCalculator holds the better App Store score, 3.7 against 1.0. That said, the two scores are not equally well evidenced: AirsoftCalculator has 18 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 70% of AirsoftCalculator's written reviews are positive against 50% of Arm's.

AirsoftCalculator ships an update every 5 months, Arm every 6 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | AirsoftCalculator | Arm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (18 ratings)](https://appshunter.io/ios/app/airsoftcalculator/id1473060972/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/arm-v/id6470135168/reviews) |
| Number of ratings | **18** | 1 |
| Positive reviews | **70.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 5 MB | 35 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Roland Lariotte](https://appshunter.io/developer/1449180951) | [Artem Konovodov](https://appshunter.io/developer/1713038540) |

## What reviewers say

### AirsoftCalculator

[App page](https://appshunter.io/ios/app/airsoftcalculator/id1473060972)

This tool helps airsoft players calculate pellet energy in joules to ensure legal compliance and safe play. It offers customizable calculations and easy comparison of results for various pellet weights.

**Highlights:** Calculate pellet energy in joules, Verify legal compliance, Customizable pellet weights, Compare results in a table, Supports iPhone and iPad

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| Quarterly Subscription | $1.99 | per 3 months |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription | $11.99 | per year |
| AirsoftCalculator+ | $1.99 | one-time |


### Arm

[App page](https://appshunter.io/ios/app/arm-v/id6470135168)

Configure, update, diagnose, and view statistics for Arm-V electronic keys used with airsoft replicas. This utility app helps maintain and optimize your airsoft equipment.

**Highlights:** Configure electronic keys, Update firmware, Diagnose issues, View statistics, Manage airsoft replicas

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AirsoftCalculator free?

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

### Is Arm free?

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

### Which has better reviews, AirsoftCalculator or Arm?

AirsoftCalculator is rated higher. AirsoftCalculator averages 3.7 out of 5 from 18 ratings, while Arm averages 1.0 from 1 ratings.

### Do AirsoftCalculator or Arm have ads?

Neither AirsoftCalculator nor Arm shows ads.

### Which is updated more often, AirsoftCalculator or Arm?

AirsoftCalculator ships an update every 5 months, and Arm every 6 days. Most recently, AirsoftCalculator was updated on October 24, 2026 and Arm 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.*