# Stone Idea vs Render AI

The clearest difference is in-app purchases: Stone Idea at none against Render AI's 5. Stone Idea also leads on ads (none vs shown) and device support (3 vs 1). Render AI's advantage is update cadence (every 9 days vs every 3 weeks). On price there is nothing between them.

Both are free to download. Render AI sells 5 in-app purchases, starting at $4.99 per 7 days. Stone Idea asks for nothing beyond the download.

Stone Idea ships an update every 3 weeks, Render AI every 9 days. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Stone Idea | Render AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 451 MB | 83 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [亮 周](https://appshunter.io/developer/920367097) | [TAIGA TEKNOLOJI ANONIM SIRKETI](https://appshunter.io/developer/1791085558) |

## What reviewers say

### Stone Idea

[App page](https://appshunter.io/ios/app/stone-idea/id6449785961)

**Features:** macOS Compatibility

**In-app purchases:** none


### Render AI

[App page](https://appshunter.io/ios/app/render-ai-sketch-to-render/id6787695022)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Render AI Pro Weekly | $4.99 | per 7 days |
| Render AI Pro Yearly | $189.99 | per year |
| 100 Credits | $6.99 | one-time |
| 300 Credits | $18.99 | one-time |
| 750 Credits | $44.99 | one-time |


## Frequently asked questions

### Is Stone Idea free?

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

### Is Render AI free?

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

### Do Stone Idea or Render AI have ads?

Render AI shows ads; Stone Idea does not.

### Which is updated more often, Stone Idea or Render AI?

Stone Idea ships an update every 3 weeks, and Render AI every 9 days. Most recently, Stone Idea was updated on October 13, 2026 and Render AI on October 25, 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.*