# Build SRT vs Quick Caption

The clearest difference is price: Quick Caption at Free against Build SRT's $2.99. Quick Caption also leads on iOS requirement (15.0 vs 17.6). Build SRT's advantage is in-app purchases (none vs 3) and ads (none vs shown). On update cadence and device support there is nothing between them.

Quick Caption is free to download; Build SRT costs $2.99 up front. Quick Caption sells 3 one-off in-app purchases. Build SRT asks for nothing beyond the download.

Build SRT ships an update every 5 weeks, Quick Caption monthly. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Build SRT | Quick Caption |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/build-srt/id6504424008/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Paid | — |
| Size | 25 MB | 127 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [韩 明洁](https://appshunter.io/developer/399378149) | [Halil Batuhan Kundakci](https://appshunter.io/developer/1861340421) |

## What reviewers say

### Build SRT

[App page](https://appshunter.io/ios/app/build-srt/id6504424008)

This utility converts spoken audio from videos into standard SRT subtitle files. It supports importing videos from your device and offers efficient sound extraction for subtitle generation. The generated SRT files are universally compatible and easily shareable.

**Highlights:** Speech-to-text transcription, Import videos from Photos and Files, Extract audio for SRT generation, Universal SRT file format, Share SRT files easily

**In-app purchases:** none


### Quick Caption

[App page](https://appshunter.io/ios/app/quick-caption-autosub-ai/id6757344478)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Minute Pack | $0.69 | one-time |
| 30 Minute Pack | $2.19 | one-time |
| 60 Minute Pack | $4.09 | one-time |


## Frequently asked questions

### Is Build SRT free?

Build SRT costs $2.99, with no in-app purchases.

### Is Quick Caption free?

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

### Do Build SRT or Quick Caption have ads?

Quick Caption shows ads; Build SRT does not.

### Which is updated more often, Build SRT or Quick Caption?

Build SRT ships an update every 5 weeks, and Quick Caption monthly. Most recently, Build SRT was updated on October 10, 2026 and Quick Caption on October 12, 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.*