# Calert vs Noturi

The clearest difference is in-app purchases: Noturi at none against Calert's 2. Calert's advantage is iOS requirement (13.4 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Calert sells 2 in-app purchases, starting at $1.99 per month. Noturi asks for nothing beyond the download.

Calert ships an update every 4 days, Noturi every 2 days. Both last shipped on November 8, 2026.

## The numbers

| Metric | Calert | Noturi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Size | 42 MB | 57 MB |
| Requires iOS | **13.4** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JAEHA LEE](https://appshunter.io/developer/1743533367) | [Chanyoung Lee](https://appshunter.io/developer/1838252969) |

## What reviewers say

### Calert

[App page](https://appshunter.io/ios/app/calert/id6737229946)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calert Plus Monthly | $1.99 | per month |
| Calert Premium 월간 구독 | $1.99 | per month |


### Noturi

[App page](https://appshunter.io/ios/app/noturi/id6752212896)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calert free?

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

### Is Noturi free?

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

### Do Calert or Noturi have ads?

Neither Calert nor Noturi shows ads.

### Which is updated more often, Calert or Noturi?

Calert ships an update every 4 days, and Noturi every 2 days. Most recently, Calert was updated on November 8, 2026 and Noturi on November 8, 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.*