# ChemARise vs TNK Scope

The clearest difference is update cadence: TNK Scope at every 2 weeks against ChemARise'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.

ChemARise ships an update every 4 months, TNK Scope every 2 weeks. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ChemARise | TNK Scope |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 299 MB | 23 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roy Lavendomme](https://appshunter.io/developer/1700693660) | [TNK LAB CO., LTD.](https://appshunter.io/developer/1875620660) |

## What reviewers say

### ChemARise

[App page](https://appshunter.io/ios/app/chemarise/id6459995288)

**Features:** macOS Compatibility

**In-app purchases:** none


### TNK Scope

[App page](https://appshunter.io/ios/app/tnk-scope/id6758901171)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ChemARise free?

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

### Is TNK Scope free?

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

### Do ChemARise or TNK Scope have ads?

Neither ChemARise nor TNK Scope shows ads.

### Which is updated more often, ChemARise or TNK Scope?

ChemARise ships an update every 4 months, and TNK Scope every 2 weeks. Most recently, ChemARise was updated on October 7, 2026 and TNK Scope on October 6, 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.*