# Invoy vs RepForge

The clearest difference is in-app purchases: Invoy at none against RepForge's 1. Invoy also leads on ratings volume (76 vs 1) and iOS requirement (13.0 vs 17.0). RepForge's advantage is rating (5.0 vs 4.6) and update cadence (weekly vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. RepForge sells 1 in-app purchase, starting at $9.99 per month. Invoy asks for nothing beyond the download.

RepForge holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Invoy has 76 ratings behind it against 1, so its average is the more settled of the two.

Invoy ships an update every 6 weeks, RepForge weekly. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Invoy | RepForge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (76 ratings)](https://appshunter.io/ios/app/invoy/id1444260845/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/repforge-built-for-strength/id6759814656/reviews)** |
| Number of ratings | **76** | 1 |
| Positive reviews | 89.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 140 MB | 145 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Invoy](https://appshunter.io/developer/985872372) | [Christopher Janover](https://appshunter.io/developer/1622513293) |

## What reviewers say

### Invoy

[App page](https://appshunter.io/ios/app/invoy/id1444260845)

This app helps users understand their fat burn through a breath-based device and track key wellness factors. An analyst team uses this data to provide personalized wellness insights, supporting serious commitment to health goals.

**Highlights:** Breath-based fat burn analysis, Key wellness factor tracking, Personalized wellness insights, HealthKit data integration (Weight), Enterprise/clinical deployment program

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

**In-app purchases:** none


### RepForge

[App page](https://appshunter.io/ios/app/repforge-built-for-strength/id6759814656)

This app uses your iPhone camera to measure bar speed and path for powerlifting training. It analyzes your performance to adjust training targets and provides detailed insights into your progress and technique.

**Highlights:** Measure bar speed and path with iPhone camera, Velocity-based training recommendations, Log sets with weight, reps, and RPE, Video analysis with data overlays, Build multi-week training programs, Progress charting and analytics, AI coach for training adjustments

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RepForge Pro | $9.99 | per month |


## Frequently asked questions

### Is Invoy free?

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

### Is RepForge free?

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

### Which has better reviews, Invoy or RepForge?

RepForge is rated higher. Invoy averages 4.6 out of 5 from 76 ratings, while RepForge averages 5.0 from 1 ratings.

### Do Invoy or RepForge have ads?

Neither Invoy nor RepForge shows ads.

### Which is updated more often, Invoy or RepForge?

Invoy ships an update every 6 weeks, and RepForge weekly. Most recently, Invoy was updated on October 7, 2026 and RepForge on October 4, 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.*