# MarkChem vs Surie Polex

The clearest difference is iOS requirement: Surie Polex at 13.0 against MarkChem's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 8, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | MarkChem | Surie Polex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 36 MB | 95 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shobhit Gupta](https://appshunter.io/developer/1532902469) | [SURIE POLEX INDUSTRIES LLP](https://appshunter.io/developer/1774408381) |

## What reviewers say

### MarkChem

[App page](https://appshunter.io/ios/app/markchem/id1532902467)

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

**In-app purchases:** none


### Surie Polex

[App page](https://appshunter.io/ios/app/surie-polex/id6737019332)

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

**In-app purchases:** none


## Frequently asked questions

### Is MarkChem free?

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

### Is Surie Polex free?

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

### Do MarkChem or Surie Polex have ads?

Neither MarkChem nor Surie Polex shows ads.

### Which is updated more often, MarkChem or Surie Polex?

MarkChem ships an update every 3 weeks, and Surie Polex every 3 weeks. Most recently, MarkChem was updated on September 8, 2026 and Surie Polex on September 12, 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.*