# Noraxon Biofeedback vs APEX Performance

The clearest difference is update cadence: APEX Performance at every 2 weeks against Noraxon Biofeedback's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Noraxon Biofeedback ships an update every 3 months, APEX Performance every 2 weeks. The most recent releases landed on August 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Noraxon Biofeedback | APEX Performance |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 39 MB | 194 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Noraxon U.S.A., Inc.](https://appshunter.io/developer/1805591999) | [APEX Coaching and Consulting, LLC](https://appshunter.io/developer/1895832975) |

## What reviewers say

### Noraxon Biofeedback

[App page](https://appshunter.io/ios/app/noraxon-biofeedback/id6744024468)

**Features:** macOS Compatibility

**In-app purchases:** none


### APEX Performance

[App page](https://appshunter.io/ios/app/apex-performance-boulder/id6764560400)

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

**In-app purchases:** none


## Frequently asked questions

### Is Noraxon Biofeedback free?

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

### Is APEX Performance free?

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

### Do Noraxon Biofeedback or APEX Performance have ads?

Neither Noraxon Biofeedback nor APEX Performance shows ads.

### Which is updated more often, Noraxon Biofeedback or APEX Performance?

Noraxon Biofeedback ships an update every 3 months, and APEX Performance every 2 weeks. Most recently, Noraxon Biofeedback was updated on August 9, 2026 and APEX Performance on September 21, 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.*