# PlanLine vs SRT Subtitle Toolbox Mobile

The clearest difference is price: SRT Subtitle Toolbox Mobile at Free against PlanLine's $0.99. SRT Subtitle Toolbox Mobile also leads on update cadence (every 4 days vs every 2 weeks). PlanLine's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

SRT Subtitle Toolbox Mobile is free to download; PlanLine costs $0.99 up front. SRT Subtitle Toolbox Mobile sells 2 in-app purchases, starting at $4.99 per year. PlanLine asks for nothing beyond the download.

PlanLine ships an update every 2 weeks, SRT Subtitle Toolbox Mobile every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PlanLine | SRT Subtitle Toolbox Mobile |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 4 MB | 6 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hieu Doan](https://appshunter.io/developer/905220502) | [鹏 边](https://appshunter.io/developer/1588663406) |

## What reviewers say

### PlanLine

[App page](https://appshunter.io/ios/app/planline/id6759870469)

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

**In-app purchases:** none


### SRT Subtitle Toolbox Mobile

[App page](https://appshunter.io/ios/app/srt-subtitle-toolbox-mobile/id6811766370)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Export Unlock | $4.99 | per year |
| Unlock Export Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is PlanLine free?

PlanLine costs $0.99, with no in-app purchases.

### Is SRT Subtitle Toolbox Mobile free?

SRT Subtitle Toolbox Mobile is free to download, with in-app purchases available.

### Do PlanLine or SRT Subtitle Toolbox Mobile have ads?

Neither PlanLine nor SRT Subtitle Toolbox Mobile shows ads.

### Which is updated more often, PlanLine or SRT Subtitle Toolbox Mobile?

PlanLine ships an update every 2 weeks, and SRT Subtitle Toolbox Mobile every 4 days. Most recently, PlanLine was updated on October 24, 2026 and SRT Subtitle Toolbox Mobile 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.*