# CaptionFlow vs subMatik

The clearest difference is in-app purchases: subMatik at none against CaptionFlow's 3. CaptionFlow's advantage is iOS requirement (18 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CaptionFlow sells 3 in-app purchases, starting at $0.99 per 7 days. subMatik asks for nothing beyond the download.

CaptionFlow ships an update every 10 days, subMatik every 3 weeks. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CaptionFlow | subMatik |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/submatik/id6772765762/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 10 MB | 7 MB |
| Requires iOS | **18** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mehmet Erdem Devge](https://appshunter.io/developer/1464750482) | [Sevki Bugra Ozbek](https://appshunter.io/developer/1896531994) |

## What reviewers say

### CaptionFlow

[App page](https://appshunter.io/ios/app/captionflow-ai-subtitles/id6752725059)

**Features:** macOS Compatibility, Safari Extension

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $0.99 | per 7 days |
| Pro - Montly | $2.99 | per month |
| Pro Yearly | $14.99 | per year |


### subMatik

[App page](https://appshunter.io/ios/app/submatik/id6772765762)

This app transforms your iPhone into a subtitle creation studio. It automatically generates accurate, timed captions for any video or audio file directly on your device, supporting over 70 languages. You can also translate existing captions or burn them directly into your video for easy sharing.

**Highlights:** On-device AI transcription, 70+ language support, Context-aware translation, Vertical-friendly subtitle placement, Burn-in subtitles to video, SRT and MP4 export

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

**In-app purchases:** none


## Frequently asked questions

### Is CaptionFlow free?

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

### Is subMatik free?

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

### Do CaptionFlow or subMatik have ads?

Neither CaptionFlow nor subMatik shows ads.

### Which is updated more often, CaptionFlow or subMatik?

CaptionFlow ships an update every 10 days, and subMatik every 3 weeks. Most recently, CaptionFlow was updated on October 12, 2026 and subMatik on October 24, 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.*