# Amon Riddle vs Redstring

The clearest difference is ads: Amon Riddle at none against Redstring's shown. Redstring's advantage is iOS requirement (16.4 vs 18.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Amon Riddle sells 3 one-off in-app purchases and Redstring sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Amon Riddle ships an update fortnightly, Redstring every 9 days. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Amon Riddle | Redstring |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/redstring-ancient-mystery-map/id6790043505/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 37 MB | 56 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Kristjan Tiitus](https://appshunter.io/developer/1891058729) | [Michael Dube](https://appshunter.io/developer/1858655640) |

## What reviewers say

### Amon Riddle

[App page](https://appshunter.io/ios/app/amon-riddle/id6761715981)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Riddles | $0.99 | one-time |
| Anubis Oracle | $0.99 | one-time |
| Pharaon pack | $1.99 | one-time |


### Redstring

[App page](https://appshunter.io/ios/app/redstring-ancient-mystery-map/id6790043505)

Explore a 3D globe featuring 305 real case files of unexplained phenomena, ancient ruins, and deep mysteries. Each location offers a brief explanation and links for further research, turning your device into an evidence board for the world's most intriguing puzzles.

**Highlights:** 3D globe with 305 case files, Documented, debated, and fringe evidence labels, Daily new file declassification, Meta-mystery 'Case Zero', Curated 'Threads' for guided exploration, Personal 'Evidence Board' progress tracking, Offline functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clearance — Monthly | $2.99 | per month |
| Clearance — Annual | $14.99 | per year |
| Clearance — Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Amon Riddle free?

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

### Is Redstring free?

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

### Do Amon Riddle or Redstring have ads?

Redstring shows ads; Amon Riddle does not.

### Which is updated more often, Amon Riddle or Redstring?

Amon Riddle ships an update fortnightly, and Redstring every 9 days. Most recently, Amon Riddle was updated on October 16, 2026 and Redstring on October 7, 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.*