# Notopium vs CurrX

The clearest difference is ads: Notopium at none against CurrX's shown. CurrX's advantage is update cadence (weekly vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Notopium ships an update every 4 months, CurrX weekly. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Notopium | CurrX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Weekly** |
| Size | 45 MB | 25 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Meisam Yousefzadeh](https://appshunter.io/developer/1854807801) | [Hao Mun Chen](https://appshunter.io/developer/1894515411) |

## What reviewers say

### Notopium

[App page](https://appshunter.io/ios/app/notopium/id6759302623)

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

**In-app purchases:** none


### CurrX

[App page](https://appshunter.io/ios/app/currx/id6764114518)

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

**In-app purchases:** none


## Frequently asked questions

### Is Notopium free?

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

### Is CurrX free?

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

### Do Notopium or CurrX have ads?

CurrX shows ads; Notopium does not.

### Which is updated more often, Notopium or CurrX?

Notopium ships an update every 4 months, and CurrX weekly. Most recently, Notopium was updated on October 24, 2026 and CurrX on October 14, 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.*