# PNrelief vs Six Pack Workout

The clearest difference is update cadence: Six Pack Workout at every 2 months against PNrelief's every 9 months. PNrelief's advantage is iOS requirement (13.0 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.

PNrelief ships an update every 9 months, Six Pack Workout every 2 months. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | PNrelief | Six Pack Workout |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Size | 72 MB | 20 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chongqing Roblink Technology Co., Ltd.](https://appshunter.io/developer/1602774014) | [Skyraan Technologies](https://appshunter.io/developer/1650058812) |

## What reviewers say

### PNrelief

[App page](https://appshunter.io/ios/app/pnrelief/id6444923226)

**Features:** macOS Compatibility

**In-app purchases:** none


### Six Pack Workout

[App page](https://appshunter.io/ios/app/six-pack-workout-30-days/id6761093521)

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

**In-app purchases:** none


## Frequently asked questions

### Is PNrelief free?

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

### Is Six Pack Workout free?

Six Pack Workout is free to download, with no in-app purchases.

### Do PNrelief or Six Pack Workout have ads?

Neither PNrelief nor Six Pack Workout shows ads.

### Which is updated more often, PNrelief or Six Pack Workout?

PNrelief ships an update every 9 months, and Six Pack Workout every 2 months. Most recently, PNrelief was updated on October 8, 2026 and Six Pack Workout on October 16, 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.*