# Open Caption vs Ai

The clearest difference is in-app purchases: Ai at none against Open Caption's 1. Open Caption's advantage is iOS requirement (13.0 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Open Caption sells 1 one-off in-app purchase. Ai asks for nothing beyond the download.

Open Caption ships an update fortnightly, Ai monthly. The most recent releases landed on September 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Open Caption | Ai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Size | 1 MB | 6 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JOHN BURKE](https://appshunter.io/developer/1082153101) | [Michal Jach](https://appshunter.io/developer/1474348197) |

## What reviewers say

### Open Caption

[App page](https://appshunter.io/ios/app/open-caption/id6444294302)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Transcription Sharing | $0.99 | one-time |


### Ai

[App page](https://appshunter.io/ios/app/ai-open-source-ai-assistant/id6755691873)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Open Caption free?

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

### Is Ai free?

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

### Do Open Caption or Ai have ads?

Neither Open Caption nor Ai shows ads.

### Which is updated more often, Open Caption or Ai?

Open Caption ships an update fortnightly, and Ai monthly. Most recently, Open Caption was updated on September 5, 2026 and Ai on September 10, 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.*