# Metric vs PerformanceX

The clearest difference is update cadence: Metric at weekly against PerformanceX's monthly. PerformanceX's advantage is iOS requirement (16.0 vs 18.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Metric sells 14 in-app purchases, starting at $10.99 per month and PerformanceX sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Metric ships an update weekly, PerformanceX monthly. The most recent releases landed on September 19, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Metric | PerformanceX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (45 ratings)](https://appshunter.io/ios/app/metric-strength-training/id1595510857/reviews)** | — |
| Number of ratings | **45** | — |
| Positive reviews | 53.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Freemium | Free with in-app purchases |
| Size | 181 MB | 119 MB |
| Requires iOS | 18.1 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Core Advantage Pty Ltd](https://appshunter.io/developer/1326735104) | [顽石运动智能科技(北京)有限公司](https://appshunter.io/developer/1112625269) |

## What reviewers say

### Metric

[App page](https://appshunter.io/ios/app/metric-strength-training/id1595510857)

This app revolutionizes strength training by offering advanced velocity-based tracking using your phone's camera, eliminating the need for expensive hardware. It provides detailed insights into fatigue, recovery, and progression, helping users maximize gains and prevent injuries.

**Highlights:** Smart velocity tracking with camera, Advanced video analysis of lifts, Comprehensive workout logging, Performance insights and progression tracking, Automated rest timer, Estimated 1RM calculation

**Features:** Apple Watch app

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Monthly | $10.99 | per month |
| Pro - Monthly (Legacy) | $12.99 | per month |
| Metric Pro - Monthly (Legacy) | $12.99 | per month |
| Pro Family - Monthly | $18.99 | per month |
| Pro Coach +5 - Monthly | $19.99 | per month |
| Pro Coach +20 - Monthly | $34.99 | per month |
| Pro Coach +10 | $37.99 | per month |
| Pro Coach +15 | $47.99 | per month |
| Pro - Annual | $62.99 | per year |
| Metric Pro (Legacy) | $79.99 | per year |
| Metric Pro - Annual (Legacy) | $94.99 | per year |
| Pro Family - Annual | $114.99 | per year |
| Pro Coach +5 - Annual | $119.99 | per year |
| Pro Coach +10 | $339.99 | per year |


### PerformanceX

[App page](https://appshunter.io/ios/app/performancex/id6745584273)

This app uses advanced video analysis and biomechanical algorithms to provide precise jump performance testing and data analysis for athletes and coaches. It offers various jump tests, strength-speed relationship analysis, and functional strength assessments, with detailed biomechanical parameter calculations.

**Highlights:** Vertical jump testing (CMJ, SJ, DJ), Strength-speed relationship analysis, Functional strength testing (Nordic Hamstring), Automatic biomechanical parameter calculation, Video analysis with high frame rate support, Athlete and team data management, CSV data export

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $2.99 | per month |
| 年度会员 | $24.99 | per year |
| 终身会员 | $59.99 | one-time |


## Frequently asked questions

### Is Metric free?

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

### Is PerformanceX free?

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

### Do Metric or PerformanceX have ads?

Neither Metric nor PerformanceX shows ads.

### Which is updated more often, Metric or PerformanceX?

Metric ships an update weekly, and PerformanceX monthly. Most recently, Metric was updated on September 19, 2026 and PerformanceX on September 15, 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.*