# Sieph Update vs Polytropic Pro

The clearest difference is update cadence: Sieph Update at every 2 months against Polytropic Pro's every 4 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.

Sieph Update ships an update every 2 months, Polytropic Pro every 4 months. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Sieph Update | Polytropic Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 44 MB | 252 MB |
| Requires iOS | **14.0** | 14.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TECMOTION](https://appshunter.io/developer/1638150825) | [Polytropic](https://appshunter.io/developer/1613713281) |

## What reviewers say

### Sieph Update

[App page](https://appshunter.io/ios/app/sieph-update/id6444893351)

**Features:** Vision Pro support

**In-app purchases:** none


### Polytropic Pro

[App page](https://appshunter.io/ios/app/polytropic-pro/id6452721348)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sieph Update free?

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

### Is Polytropic Pro free?

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

### Do Sieph Update or Polytropic Pro have ads?

Neither Sieph Update nor Polytropic Pro shows ads.

### Which is updated more often, Sieph Update or Polytropic Pro?

Sieph Update ships an update every 2 months, and Polytropic Pro every 4 months. Most recently, Sieph Update was updated on October 12, 2026 and Polytropic Pro on October 11, 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.*