# SubShifter - Fix subtitles SRT — Sync video movie subs tools

> Offline subtitle timing adjustment and synchronization tool for video files. (iPhone/iPad app by iSolid apps.)

- Source: https://appshunter.io/ios/app/subshifter-fix-subtitles-srt/id1477504107 (this page in markdown: same URL + `.md`)
- Developer: [iSolid apps](https://appshunter.io/developer/1215383083)
- Category: Photo & Video, Utilities
- Price: Free with in-app purchases
- Rating: 5.00/5 from 20 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.4 · 3 MB
- Languages: American English
- Released: 2019-08-24
- Data updated: 2026-08-17
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/subshifter-fix-subtitles-srt/id1477504107/reviews.md

## What is SubShifter?

SubShifter will help you fix your subtitles. There are 2 main functions: Shift or Sync.
• Shift your subtitles files by adjusting the timing forward or backwards.
• Sync your subtitles whose shift is increasing through time (during the movie).

Quick and easy:

1. Choose your subtitles (pick from the Files app)
2a. Shift your subtitles (timing of your choice) or 
2b. Sync your subtitles by entering the correct timing of 2 subtitles, and the rest of the subtitles will be automatically adjusted.
3. Save your shifted subtitles to the location of your choice (Files) or share anywhere.

The app works 100% OFFLINE. There is no server, no data collection and no ads.
Your privacy matters!

------

All users get 30 minutes per file for FREE. Perfect for TV-shows for example. If need more, you can upgrade to premium. It’s a one-time purchase valid forever that will help improving the app.

Discover the macOS version on the Mac App Store.

## Key features

- Shift subtitle timing forward/backward
- Sync subtitles with increasing drift
- Works 100% offline
- Save and share corrected files
- User-friendly interface

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime Premium Access | $2.99 | one-time |


## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/subshifter-fix-subtitles-srt/id1477504107/reviews.md

### 5/5 — For one time use, this is perfect.

*2025-07-17*

It does the job well and fast. Though it requires a subscription for such a simple service. I wish they kept Ads instead.

### 5/5 — Very quick and fairly simple to use!

*2021-04-27*

I had a pleasant experience with this app for editing an SRT that was off on timing

### 5/5 — Unique app

*2020-05-26*

I think there are no apps similar to this that do the same as SubShifter.

**Developer response:** Thank you!

### 5/5 — Awesome

*2020-05-13*

Does what it says, thank you to the dev!

**Developer response:** Thank you Kevin 😊

## Frequently asked questions about SubShifter

### Does SubShifter have ads?

No, SubShifter is completely ad-free. The app emphasizes user privacy and does not collect data or display advertisements.

### How does SubShifter's free version work?

The free version of SubShifter allows users to process up to 30 minutes of subtitles per file. This is suitable for many TV shows and shorter videos.

### What is the premium upgrade for SubShifter?

The premium upgrade is a one-time purchase that unlocks unlimited subtitle processing. This purchase helps support the ongoing development and improvement of the app.

### What devices is SubShifter available on?

SubShifter is available on iPhone and iPad. A macOS version is also offered on the Mac App Store.

### How often is SubShifter updated?

The latest version, 2.1, was released on September 1, 2021. While updates are not extremely frequent, the app is stable and functional.

### What is the age rating for SubShifter?

SubShifter has an age rating of 4+, making it suitable for users of all ages. The app's functionality is straightforward and does not contain inappropriate content.

### Can I use SubShifter without an internet connection?

Yes, SubShifter works 100% offline. All processing is done directly on your device, ensuring your privacy and allowing use without data connectivity.

### What are the main functions of SubShifter?

SubShifter offers two primary functions: 'Shift' to adjust subtitle timing forward or backward by a set amount, and 'Sync' to automatically adjust timings when they drift progressively through a video.

## Version history (last 5 releases)

### 2.1 — 2021-09-01

Hello, in this version I improved the app performance and efficiency.

### 2.0 — 2020-12-21

• SYNC functionality to fix subtitles whose shift increases during the video!
• new app icon

### 1.2.1 — 2020-05-04

- Fixes rare bug where SRT files could not be picked (greyed out)
- Increased file encodings support (dozens of them)
- Improved user experience
- Other minor bug fixes

### 1.2 — 2020-05-01

- Improved different files encoding support
- Improved User experience
- A very rare bug has been fixed

### 1.1 — 2019-10-11

- iOS 13 compatibility
- Dark mode support
- Design update

## Apps similar to SubShifter

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [RePlay](https://appshunter.io/ios/app/replay/id612961002) | 3.0 (6) | Free | Photo & Video |
| [ACDSee Mobile Sync](https://appshunter.io/ios/app/acdsee-mobile-sync/id1263340964) | 4.7 (650) | Free | Photo & Video |
| [Stiiitch · Photos Stitching](https://appshunter.io/ios/app/stiiitch-photos-stitching/id1439758554) | 4.7 (212) | Free | Photo & Video |
| [CinePlay: Kollaborate Edition](https://appshunter.io/ios/app/cineplay-kollaborate-edition/id706267104) | 5.0 (1) | Free | Photo & Video |
| [TwinViewer](https://appshunter.io/ios/app/twinviewer/id531595249) | 4.0 (24) | Free | Photo & Video |
| [Split Video Into Parts](https://appshunter.io/ios/app/split-video-into-parts/id6739545260) | 4.6 (23) | Free | Photo & Video |

## More apps by iSolid apps

- [QuickScan:PDF OCR Text Scanner](https://appshunter.io/ios/app/quickscanpdf-ocr-text-scanner/id1513790291)
- [PDF Secure](https://appshunter.io/ios/app/pdf-secure/id1515466852)
- [Custom Fonts°](https://appshunter.io/ios/app/custom-fonts/id1531863687)
- [Kaomoji+: Emoticon Keyboard](https://appshunter.io/ios/app/kaomoji-plus-emoticon-keyboard/id1535036822)
- [Symbol Keyboard+](https://appshunter.io/ios/app/symbol-keyboard-plus/id1551472227)

All apps by iSolid apps: https://appshunter.io/developer/1215383083

## Related topics

[srt file](https://appshunter.io/ios/topics/srt-file) · [subtitle edit](https://appshunter.io/ios/topics/subtitle-edit)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-17.*