# One Question Journal vs Petly Space

The clearest difference is device support: One Question Journal at 4 against Petly Space's 1. Petly Space's advantage is iOS requirement (16.4 vs 26.2). On price, update cadence, ads and in-app purchases there is nothing between them.

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

One Question Journal ships an update weekly, Petly Space every 4 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | One Question Journal | Petly Space |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Size | 13 MB | 61 MB |
| Requires iOS | 26.2 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Waseef Akhtar](https://appshunter.io/developer/1877652451) | [Dinmukhamed Amirov](https://appshunter.io/developer/6789919864) |

## What reviewers say

### One Question Journal

[App page](https://appshunter.io/ios/app/one-question-journal/id6759250351)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### Petly Space

[App page](https://appshunter.io/ios/app/petly-space/id6789919862)

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

**In-app purchases:** none


## Frequently asked questions

### Is One Question Journal free?

One Question Journal is free to download, with no in-app purchases.

### Is Petly Space free?

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

### Do One Question Journal or Petly Space have ads?

Neither One Question Journal nor Petly Space shows ads.

### Which is updated more often, One Question Journal or Petly Space?

One Question Journal ships an update weekly, and Petly Space every 4 days. Most recently, One Question Journal was updated on October 25, 2026 and Petly Space on October 24, 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.*