# Carvoo vs One Line

The clearest difference is in-app purchases: Carvoo at none against One Line's 1. Carvoo also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. One Line sells 1 one-off in-app purchase. Carvoo asks for nothing beyond the download.

Carvoo ships an update monthly, One Line every 2 months. The most recent releases landed on September 23, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Carvoo | One Line |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 40 MB | 9 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PROAPP ARGE YAZILIM ANONIM SIRKETI](https://appshunter.io/developer/1718091931) | [ismail kirenli](https://appshunter.io/developer/1894357775) |

## What reviewers say

### Carvoo

[App page](https://appshunter.io/ios/app/carvoo/id6472919079)

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

**In-app purchases:** none


### One Line

[App page](https://appshunter.io/ios/app/one-line-micro-journal/id6773496465)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Line Premium | $4.99 | one-time |


## Frequently asked questions

### Is Carvoo free?

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

### Is One Line free?

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

### Do Carvoo or One Line have ads?

Neither Carvoo nor One Line shows ads.

### Which is updated more often, Carvoo or One Line?

Carvoo ships an update monthly, and One Line every 2 months. Most recently, Carvoo was updated on September 23, 2026 and One Line on September 25, 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.*