# Levin vs ooring

The clearest difference is in-app purchases: ooring at none against Levin's 1. ooring also leads on ads (none vs shown) and update cadence (daily vs every 10 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Levin sells 1 in-app purchase, starting at $3.99 per month. ooring asks for nothing beyond the download.

Levin ships an update every 10 days, ooring daily. The most recent releases landed on November 9, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Levin | ooring |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Daily** |
| Size | 87 MB | 36 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JANNIS ALEXANDER BUSCH](https://appshunter.io/developer/1848328281) | [INHO SHIN](https://appshunter.io/developer/1765633384) |

## What reviewers say

### Levin

[App page](https://appshunter.io/ios/app/levin-start-thinking/id6754452255)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Levin Plus | $3.99 | per month |


### ooring

[App page](https://appshunter.io/ios/app/ooring/id6764290501)

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

**In-app purchases:** none


## Frequently asked questions

### Is Levin free?

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

### Is ooring free?

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

### Do Levin or ooring have ads?

Levin shows ads; ooring does not.

### Which is updated more often, Levin or ooring?

Levin ships an update every 10 days, and ooring daily. Most recently, Levin was updated on November 9, 2026 and ooring on October 28, 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.*