# Zeroth vs Noir

The clearest difference is in-app purchases: Zeroth at none against Noir's 2. Zeroth also leads on update cadence (daily vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Noir sells 2 in-app purchases, starting at $3.99 per month. Zeroth asks for nothing beyond the download.

Zeroth ships an update daily, Noir every 2 months. The most recent releases landed on October 9, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Zeroth | Noir |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 months |
| Size | 31 MB | 103 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mukhammadnozim Islamov](https://appshunter.io/developer/1847112859) | [Antoine Gosset](https://appshunter.io/developer/1867020477) |

## What reviewers say

### Zeroth

[App page](https://appshunter.io/ios/app/zeroth/id6754209958)

**Features:** macOS Compatibility

**In-app purchases:** none


### Noir

[App page](https://appshunter.io/ios/app/noir-study-tracker-and-focus/id6757446834)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Noir+ Monthly | $3.99 | per month |
| Noir+ Yearly | $24.99 | per year |


## Frequently asked questions

### Is Zeroth free?

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

### Is Noir free?

Noir is free to download, with in-app purchases available.

### Do Zeroth or Noir have ads?

Neither Zeroth nor Noir shows ads.

### Which is updated more often, Zeroth or Noir?

Zeroth ships an update daily, and Noir every 2 months. Most recently, Zeroth was updated on October 9, 2026 and Noir on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*