# HataHub vs PetNotes

The clearest difference is in-app purchases: HataHub at none against PetNotes's 1. HataHub also leads on iOS requirement (16.4 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PetNotes sells 1 one-off in-app purchase. HataHub asks for nothing beyond the download.

HataHub ships an update every 9 days, PetNotes weekly. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | HataHub | PetNotes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Size | 75 MB | 16 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [HataHub](https://appshunter.io/developer/6773437492) | [Roman Fedyshyn](https://appshunter.io/developer/1895460127) |

## What reviewers say

### HataHub

[App page](https://appshunter.io/ios/app/hatahub/id6773437490)

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

**In-app purchases:** none


### PetNotes

[App page](https://appshunter.io/ios/app/petnotes/id6787051470)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation for developer | $0.99 | one-time |


## Frequently asked questions

### Is HataHub free?

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

### Is PetNotes free?

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

### Do HataHub or PetNotes have ads?

Neither HataHub nor PetNotes shows ads.

### Which is updated more often, HataHub or PetNotes?

HataHub ships an update every 9 days, and PetNotes weekly. Most recently, HataHub was updated on October 17, 2026 and PetNotes on October 7, 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.*