# Build SRT vs Subfier

The clearest difference is price: Subfier at Free against Build SRT's $2.99. Subfier also leads on update cadence (daily vs every 5 weeks) and iOS requirement (15.1 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

Subfier is free to download; Build SRT costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Build SRT ships an update every 5 weeks, Subfier daily. The most recent releases landed on September 24, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Build SRT | Subfier |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Daily** |
| Monetization | Paid | — |
| Size | 25 MB | 35 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [韩 明洁](https://appshunter.io/developer/399378149) | [Barham Khalid](https://appshunter.io/developer/1849324498) |

## 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


### Subfier

[App page](https://appshunter.io/ios/app/subfier/id6761431705)

**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 Subfier free?

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

### Do Build SRT or Subfier have ads?

Neither Build SRT nor Subfier shows ads.

### Which is updated more often, Build SRT or Subfier?

Build SRT ships an update every 5 weeks, and Subfier daily. Most recently, Build SRT was updated on September 24, 2026 and Subfier on September 26, 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.*