# CaptionLab vs AutoSub

The clearest difference is ads: AutoSub at none against CaptionLab's shown. CaptionLab's advantage is iOS requirement (15.6 vs 18). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. CaptionLab sells 1 in-app purchase, starting at $0.99 per month and AutoSub sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CaptionLab ships an update fortnightly, AutoSub every 10 days. The most recent releases landed on September 23, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | CaptionLab | AutoSub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (51 ratings)](https://appshunter.io/ios/app/autosub-video-translator/id6755302982/reviews)** |
| Number of ratings | — | **51** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | — | Freemium |
| Size | 13 MB | 214 MB |
| Requires iOS | **15.6** | 18 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dmytro Hryshanin](https://appshunter.io/developer/1810454788) | [Basel Baragabah](https://appshunter.io/developer/1153733919) |

## What reviewers say

### CaptionLab

[App page](https://appshunter.io/ios/app/captionlab/id6745024552)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $0.99 | per month |


### AutoSub

[App page](https://appshunter.io/ios/app/autosub-video-translator/id6755302982)

This app offers advanced video subtitle and translation services using AI. It supports numerous languages and transcription modes, with options for offline processing and on-device privacy. Users can edit, sync, and export subtitles in various formats, including burned-in captions on video exports.

**Highlights:** AI-powered transcription, 50+ language support, Offline translation, Subtitle editing and syncing, Video OCR for text extraction, Customizable subtitle export, On-device processing

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is CaptionLab free?

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

### Is AutoSub free?

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

### Do CaptionLab or AutoSub have ads?

CaptionLab shows ads; AutoSub does not.

### Which is updated more often, CaptionLab or AutoSub?

CaptionLab ships an update fortnightly, and AutoSub every 10 days. Most recently, CaptionLab was updated on September 23, 2026 and AutoSub on September 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.*