# Kunna vs CPRAIDR

The clearest difference is in-app purchases: CPRAIDR at none against Kunna's 1. CPRAIDR also leads on iOS requirement (12.2 vs 16). Kunna's advantage is update cadence (fortnightly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Kunna sells 1 in-app purchase, starting at $3.99 per month. CPRAIDR asks for nothing beyond the download.

Kunna ships an update fortnightly, CPRAIDR every 3 months. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Kunna | CPRAIDR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 30 MB | 192 MB |
| Requires iOS | 16 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Kunna AB](https://appshunter.io/developer/1665745035) | [VitalSigns Innovation AB](https://appshunter.io/developer/1731329713) |

## What reviewers say

### Kunna

[App page](https://appshunter.io/ios/app/kunna-learning-and-development/id1665815877)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $3.99 | per month |


### CPRAIDR

[App page](https://appshunter.io/ios/app/cpraidr/id6478007315)

**In-app purchases:** none


## Frequently asked questions

### Is Kunna free?

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

### Is CPRAIDR free?

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

### Do Kunna or CPRAIDR have ads?

Neither Kunna nor CPRAIDR shows ads.

### Which is updated more often, Kunna or CPRAIDR?

Kunna ships an update fortnightly, and CPRAIDR every 3 months. Most recently, Kunna was updated on September 29, 2026 and CPRAIDR on October 2, 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.*