# ONE B vs PetGpt

The clearest difference is update cadence: PetGpt at every 4 days against ONE B's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

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

ONE B ships an update fortnightly, PetGpt every 4 days. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ONE B | PetGpt |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Size | 90 MB | 37 MB |
| Requires iOS | 17.0 | **16.1** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bacardi-Martini B.V](https://appshunter.io/developer/1453095524) | [Pravaah Consulting Inc.](https://appshunter.io/developer/1713003609) |

## What reviewers say

### ONE B

[App page](https://appshunter.io/ios/app/one-b/id6475880718)

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

**In-app purchases:** none


### PetGpt

[App page](https://appshunter.io/ios/app/petgpt/id6639584645)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ONE B free?

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

### Is PetGpt free?

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

### Do ONE B or PetGpt have ads?

Neither ONE B nor PetGpt shows ads.

### Which is updated more often, ONE B or PetGpt?

ONE B ships an update fortnightly, and PetGpt every 4 days. Most recently, ONE B was updated on November 8, 2026 and PetGpt on October 30, 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.*