# IdeaAI vs OpenIndex

The clearest difference is in-app purchases: OpenIndex at none against IdeaAI's 3. OpenIndex also leads on iOS requirement (13.4 vs 15.6). IdeaAI's advantage is device support. On price there is nothing between them.

Both are free to download. IdeaAI sells 3 in-app purchases, starting at $2.99 per 7 days. OpenIndex asks for nothing beyond the download.

## The numbers

| Metric | IdeaAI | OpenIndex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 5 days | — |
| Size | 132 MB | 29 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | **iPhone, iPad, iPod, Mac** | — |
| Age rating | 17+ | 4+ |
| Developer | [Digital Planet](https://appshunter.io/developer/1684662174) | [Tito Costa](https://appshunter.io/developer/568927465) |

## What reviewers say

### IdeaAI

[App page](https://appshunter.io/ios/app/ideaai/id6450392000)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week | $2.99 | per 7 days |
| Month | $7.99 | per month |
| Year | $69.99 | per year |


### OpenIndex

[App page](https://appshunter.io/ios/app/openindex-docs-scan-and-ai-chat/id6736521239)

**In-app purchases:** none


## Frequently asked questions

### Is IdeaAI free?

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

### Is OpenIndex free?

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

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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.*