# Primal Coding vs BiasProof

The clearest difference is ads: BiasProof at none against Primal Coding's shown. BiasProof also leads on update cadence (every 2 months vs every 6 months). Primal Coding's advantage is iOS requirement (15.1 vs 17.6). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Primal Coding sells 5 in-app purchases, starting at $12.99 per month and BiasProof sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Primal Coding against 5.0 for BiasProof. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Primal Coding ships an update every 6 months, BiasProof every 2 months. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Primal Coding | BiasProof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/primal-coding/id1625800443/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/biasproof/id6756802032/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 89 MB | 10 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Kristina Macias](https://appshunter.io/developer/1625800445) | [Justin Neuman](https://appshunter.io/developer/1859103444) |

## What reviewers say

### Primal Coding

[App page](https://appshunter.io/ios/app/primal-coding/id1625800443)

This app helps you understand and improve your breathing patterns to relieve pain, tension, and anxiety. It offers a Breath IQ test, guided classes on breath principles, and various meditation practices to foster self-awareness and mind-body connection.

**Highlights:** Breath IQ test, Guided meditation practices, Classes on breath principles, Progress tracking, Offline sync, Anatomy of the breath

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $12.99 | per month |
| One Time Subscription | $9.99 | one-time |
| Breath IQ | $9.99 | one-time |
| com.pr1n692aql9g.pb7r075fapp.54338.onetime | $19.99 | one-time |
| One Time Subscription | $99.99 | one-time |


### BiasProof

[App page](https://appshunter.io/ios/app/biasproof/id6756802032)

This app gamifies cognitive bias training by presenting realistic scenarios to help users identify and resist emotional traps, cognitive errors, and modern scams. It aims to build measurable resistance to thinking pitfalls that affect decisions, relationships, and finances.

**Highlights:** Gamified mental calibration, Realistic scenario simulations, Identification of emotional traps and scams, Measurable resistance tracking, Progress tracking and leaderboards, Daily habit building

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BiasProof Pro - LIfetime Access | $4.99 | one-time |


## Frequently asked questions

### Is Primal Coding free?

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

### Is BiasProof free?

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

### Which has better reviews, Primal Coding or BiasProof?

Primal Coding and BiasProof are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Primal Coding or BiasProof have ads?

Primal Coding shows ads; BiasProof does not.

### Which is updated more often, Primal Coding or BiasProof?

Primal Coding ships an update every 6 months, and BiasProof every 2 months. Most recently, Primal Coding was updated on October 8, 2026 and BiasProof on October 1, 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.*