# DryFire Trigger Unit vs Fit4Racing

The clearest difference is in-app purchases: DryFire Trigger Unit at none against Fit4Racing's 4. DryFire Trigger Unit also leads on iOS requirement (8.0 vs 15.1). Fit4Racing's advantage is ratings volume (13 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Fit4Racing sells 4 in-app purchases, starting at $5.99 per month. DryFire Trigger Unit asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.0 for DryFire Trigger Unit against 3.1 for Fit4Racing. That said, the two scores are not equally well evidenced: Fit4Racing has 13 ratings behind it against 1, so its average is the more settled of the two.

DryFire Trigger Unit ships an update every 3 months, Fit4Racing every 4 months. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | DryFire Trigger Unit | Fit4Racing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/dryfire-trigger-unit/id1291827365/reviews) | **[3.1 (13 ratings)](https://appshunter.io/ios/app/fit4racing/id6443814145/reviews)** |
| Number of ratings | 1 | **13** |
| Positive reviews | — | 44.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 36 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Wordcraft International Limited](https://appshunter.io/developer/294338798) | [Fit4Racing ltd](https://appshunter.io/developer/1649533947) |

## What reviewers say

### DryFire Trigger Unit

[App page](https://appshunter.io/ios/app/dryfire-trigger-unit/id1291827365)

This application allows users to program a universal gun assembly for various firing modes and sensitivity settings. It connects the gun assembly to a specific system, enabling laser firing based on vibration detection.

**Highlights:** Program universal gun assembly, Select firing modes (press, release, universal), Adjust sensitivity in universal mode, Laser firing based on vibration, Link gun assembly to DryFire system

**Features:** macOS Compatibility

**In-app purchases:** none


### Fit4Racing

[App page](https://appshunter.io/ios/app/fit4racing/id6443814145)

This app offers personalized mountain bike fitness programs designed for all levels, from pro to amateur. It features unique testing methods, video demonstrations, and weekly workout variations to improve your performance on the bike. Programs are flexible and can be adjusted based on your goals and season.

**Highlights:** Personalized MTB fitness programs, Unique performance testing and benchmarking, Pro-developed training methodologies, Weekly new workouts and video demos, Flexible program changes and cancellations, Season-specific semi-periodization

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Plan | $5.99 | per month |
| Home Program | $34.99 | per month |
| F4R Pro | $64.99 | per month |
| MTB Strength Plan | $64.99 | per month |


## Frequently asked questions

### Is DryFire Trigger Unit free?

DryFire Trigger Unit is free to download, with no in-app purchases.

### Is Fit4Racing free?

Fit4Racing is free to download, with in-app purchases available.

### Which has better reviews, DryFire Trigger Unit or Fit4Racing?

Fit4Racing is rated higher. DryFire Trigger Unit averages 3.0 out of 5 from 1 ratings, while Fit4Racing averages 3.1 from 13 ratings.

### Do DryFire Trigger Unit or Fit4Racing have ads?

Neither DryFire Trigger Unit nor Fit4Racing shows ads.

### Which is updated more often, DryFire Trigger Unit or Fit4Racing?

DryFire Trigger Unit ships an update every 3 months, and Fit4Racing every 4 months. Most recently, DryFire Trigger Unit was updated on October 3, 2026 and Fit4Racing on October 8, 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.*