# Build SRT vs Converter One

The clearest difference is update cadence: Build SRT at every 5 weeks against Converter One's every 6 months. Converter One's advantage is price ($0.99 vs $2.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Build SRT costs $2.99 and Converter One $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Build SRT ships an update every 5 weeks, Converter One every 6 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Build SRT | Converter One |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| 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 | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 months |
| Monetization | Paid | — |
| Size | 25 MB | 10 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [韩 明洁](https://appshunter.io/developer/399378149) | [Ashkan Zanjani](https://appshunter.io/developer/1501855480) |

## 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


### Converter One

[App page](https://appshunter.io/ios/app/converter-one/id6753948436)

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

**In-app purchases:** none


## Frequently asked questions

### Is Build SRT free?

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

### Is Converter One free?

Converter One costs $0.99, with no in-app purchases.

### Do Build SRT or Converter One have ads?

Neither Build SRT nor Converter One shows ads.

### Which is updated more often, Build SRT or Converter One?

Build SRT ships an update every 5 weeks, and Converter One every 6 months. Most recently, Build SRT was updated on October 26, 2026 and Converter One on October 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.*