# Avensor vs Chemical Manager

The clearest difference is update cadence: Chemical Manager at every 2 weeks against Avensor's every 4 weeks. Avensor's advantage is iOS requirement (15.0 vs 17.0). 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.

Avensor ships an update every 4 weeks, Chemical Manager every 2 weeks. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Avensor | Chemical Manager |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Size | 65 MB | 28 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Xylem Inc.](https://appshunter.io/developer/582035368) | [EcoOnline AS](https://appshunter.io/developer/791497843) |

## What reviewers say

### Avensor

[App page](https://appshunter.io/ios/app/avensor/id1525624853)

**In-app purchases:** none


### Chemical Manager

[App page](https://appshunter.io/ios/app/chemical-manager/id1609206202)

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

**In-app purchases:** none


## Frequently asked questions

### Is Avensor free?

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

### Is Chemical Manager free?

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

### Do Avensor or Chemical Manager have ads?

Neither Avensor nor Chemical Manager shows ads.

### Which is updated more often, Avensor or Chemical Manager?

Avensor ships an update every 4 weeks, and Chemical Manager every 2 weeks. Most recently, Avensor was updated on October 25, 2026 and Chemical Manager on November 3, 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.*