# Riffgame vs DuoFo

The clearest difference is in-app purchases: DuoFo at none against Riffgame's 10. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Riffgame sells 10 in-app purchases, starting at $9.99 per 7 days. DuoFo asks for nothing beyond the download.

Riffgame ships an update every 3 days, DuoFo every 2 days. The most recent releases landed on November 13, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Riffgame | DuoFo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (8 ratings)](https://appshunter.io/ios/app/riffgame-ai-3d-game-maker/id6770079734/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 94 MB | 5 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [DigiDetox](https://appshunter.io/developer/1881402891) | [Marius Catherin](https://appshunter.io/developer/6790375866) |

## What reviewers say

### Riffgame

[App page](https://appshunter.io/ios/app/riffgame-ai-3d-game-maker/id6770079734)

Describe your game idea in plain language and watch an AI agent build it live.  The app generates playable games with touch controls, shareable via a URL. No installation or sign-in required for players.

**Highlights:** AI-powered game generation, Text-to-game creation, Live agent building process, Playable in-browser games, Shareable game URLs, Mobile-first portrait design, Source code export for Pro users

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Riffgame Pro Weekly | $9.99 | per 7 days |
| Riffgame Pro Monthly | $14.99 | per month |
| RiffGame Pro Subscription | $19.99 | per month |
| 40 Riffs | $4.99 | one-time |
| RiffGame Starter Pack | $5.99 | one-time |
| 100 Riffs | $9.99 | one-time |
| 200 Riffs | $14.99 | one-time |
| 400 Riffs | $24.99 | one-time |
| 800 Riffs | $39.99 | one-time |
| RiffGame Mega Pack | $59.99 | one-time |


### DuoFo

[App page](https://appshunter.io/ios/app/duofo/id6790375864)

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

**In-app purchases:** none


## Frequently asked questions

### Is Riffgame free?

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

### Is DuoFo free?

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

### Do Riffgame or DuoFo have ads?

Neither Riffgame nor DuoFo shows ads.

### Which is updated more often, Riffgame or DuoFo?

Riffgame ships an update every 3 days, and DuoFo every 2 days. Most recently, Riffgame was updated on November 13, 2026 and DuoFo on October 31, 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.*