# TSA vs Double Shift

The clearest difference is update cadence: TSA at every 3 months against Double Shift's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TSA ships an update every 3 months, Double Shift every 7 months. The most recent releases landed on September 9, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | TSA | Double Shift |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Size | 83 MB | 83 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [The Swim Academy](https://appshunter.io/developer/6796725625) | [The Turn Holding BV](https://appshunter.io/developer/1621271915) |

## What reviewers say

### TSA

[App page](https://appshunter.io/ios/app/tsa/id6743549038)

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

**In-app purchases:** none


### Double Shift

[App page](https://appshunter.io/ios/app/double-shift/id6743790584)

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

**In-app purchases:** none


## Frequently asked questions

### Is TSA free?

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

### Is Double Shift free?

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

### Do TSA or Double Shift have ads?

Neither TSA nor Double Shift shows ads.

### Which is updated more often, TSA or Double Shift?

TSA ships an update every 3 months, and Double Shift every 7 months. Most recently, TSA was updated on September 9, 2026 and Double Shift on September 13, 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.*