# Psychological test vs PPF

The clearest difference is in-app purchases: PPF at none against Psychological test's 2. PPF also leads on update cadence (fortnightly vs every 6 weeks). Psychological test's advantage is iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Psychological test sells 2 one-off in-app purchases. PPF asks for nothing beyond the download.

Psychological test ships an update every 6 weeks, PPF fortnightly. The most recent releases landed on May 19, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Psychological test | PPF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 9 MB | 784 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai Aiwa Information Technology Co.,Ltd.](https://appshunter.io/developer/1575488107) | [Arthur Volpato Batista](https://appshunter.io/developer/1593472564) |

## What reviewers say

### Psychological test

[App page](https://appshunter.io/ios/app/psychological-test-disc-test/id1577497002)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DiSC test | $3.99 | one-time |
| Discpay | $3.99 | one-time |


### PPF

[App page](https://appshunter.io/ios/app/ppf/id6503098097)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Psychological test free?

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

### Is PPF free?

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

### Do Psychological test or PPF have ads?

Neither Psychological test nor PPF shows ads.

### Which is updated more often, Psychological test or PPF?

Psychological test ships an update every 6 weeks, and PPF fortnightly. Most recently, Psychological test was updated on May 19, 2026 and PPF on September 23, 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.*