# PERMIS CPF vs Hypothesis Testing Calculator

The clearest difference is in-app purchases: PERMIS CPF at none against Hypothesis Testing Calculator's 8. PERMIS CPF also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Hypothesis Testing Calculator sells 8 one-off in-app purchases. PERMIS CPF asks for nothing beyond the download.

PERMIS CPF ships an update fortnightly, Hypothesis Testing Calculator every 3 weeks. The most recent releases landed on October 5, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | PERMIS CPF | Hypothesis Testing Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 379 MB | 180 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ORAMIND TECHNOLOGIES LTD](https://appshunter.io/developer/1178560185) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### PERMIS CPF

[App page](https://appshunter.io/ios/app/permis-cpf/id1600482080)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Hypothesis Testing Calculator

[App page](https://appshunter.io/ios/app/hypothesis-testing-calculator/id6472454189)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Lifetime Access | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is PERMIS CPF free?

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

### Is Hypothesis Testing Calculator free?

Hypothesis Testing Calculator is free to download, with in-app purchases available.

### Do PERMIS CPF or Hypothesis Testing Calculator have ads?

Neither PERMIS CPF nor Hypothesis Testing Calculator shows ads.

### Which is updated more often, PERMIS CPF or Hypothesis Testing Calculator?

PERMIS CPF ships an update fortnightly, and Hypothesis Testing Calculator every 3 weeks. Most recently, PERMIS CPF was updated on October 5, 2026 and Hypothesis Testing Calculator on October 18, 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.*