# Ryddle vs Arkheon AI

The clearest difference is update cadence: Arkheon AI at every 4 days against Ryddle's every 9 days. Ryddle's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Ryddle sells 4 in-app purchases, starting at $6.99 per month and Arkheon AI sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Ryddle ships an update every 9 days, Arkheon AI every 4 days. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Ryddle | Arkheon AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Size | 42 MB | 4 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [SageSight](https://appshunter.io/developer/1757306695) | [Pavel Plotnikov](https://appshunter.io/developer/1879777091) |

## What reviewers say

### Ryddle

[App page](https://appshunter.io/ios/app/ryddle-access-all-ai-models/id6667092588)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Monthly | $6.99 | per month |
| Plus Monthly | $19.99 | per month |
| Monthly | $19.99 | per month |
| Annual | $199.99 | per year |


### Arkheon AI

[App page](https://appshunter.io/ios/app/arkheon-ai/id6809068148)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pack S — 150 credits | $2.99 | one-time |
| Pack M — 450 credits | $6.99 | one-time |
| Pack L — 1000 credits | $12.99 | one-time |


## Frequently asked questions

### Is Ryddle free?

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

### Is Arkheon AI free?

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

### Do Ryddle or Arkheon AI have ads?

Neither Ryddle nor Arkheon AI shows ads.

### Which is updated more often, Ryddle or Arkheon AI?

Ryddle ships an update every 9 days, and Arkheon AI every 4 days. Most recently, Ryddle was updated on November 8, 2026 and Arkheon AI on November 6, 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.*