# PKS Live vs TM550

The clearest difference is update cadence: TM550 at every 2 months against PKS Live's every 11 months. TM550 also leads on iOS requirement (12.0 vs 15.0). 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.

PKS Live ships an update every 11 months, TM550 every 2 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | PKS Live | TM550 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Size | 75 MB | 42 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Petitgirard](https://appshunter.io/developer/634373455) | [ITS-CHRONO](https://appshunter.io/developer/1278336293) |

## What reviewers say

### PKS Live

[App page](https://appshunter.io/ios/app/pks-live/id827406631)

**Features:** macOS Compatibility

**In-app purchases:** none


### TM550

[App page](https://appshunter.io/ios/app/tm550/id1659378867)

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

**In-app purchases:** none


## Frequently asked questions

### Is PKS Live free?

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

### Is TM550 free?

TM550 is free to download, with no in-app purchases.

### Do PKS Live or TM550 have ads?

Neither PKS Live nor TM550 shows ads.

### Which is updated more often, PKS Live or TM550?

PKS Live ships an update every 11 months, and TM550 every 2 months. Most recently, PKS Live was updated on November 1, 2026 and TM550 on October 27, 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.*