# Counter Arguments vs BiasProof

The clearest difference is in-app purchases: Counter Arguments at none against BiasProof's 1. Counter Arguments also leads on update cadence (daily vs every 2 months). BiasProof's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. BiasProof sells 1 one-off in-app purchase. Counter Arguments asks for nothing beyond the download.

Counter Arguments ships an update daily, BiasProof every 2 months. The most recent releases landed on October 9, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Counter Arguments | BiasProof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/biasproof/id6756802032/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 12 MB | 10 MB |
| Requires iOS | 18.2 | **17.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Endless Innovations LLC](https://appshunter.io/developer/1805001830) | [Justin Neuman](https://appshunter.io/developer/1859103444) |

## What reviewers say

### Counter Arguments

[App page](https://appshunter.io/ios/app/counter-arguments/id6743873639)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Counter Arguments free?

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

### Is BiasProof free?

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

### Do Counter Arguments or BiasProof have ads?

Counter Arguments shows ads; BiasProof does not.

### Which is updated more often, Counter Arguments or BiasProof?

Counter Arguments ships an update daily, and BiasProof every 2 months. Most recently, Counter Arguments was updated on October 9, 2026 and BiasProof on October 17, 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.*