# 呼吸河豚 vs PetNi

The clearest difference is price: PetNi at Free against 呼吸河豚's $0.99. 呼吸河豚's advantage is ads (none vs shown) and update cadence (every 3 months vs every 13 months). On in-app purchases and device support there is nothing between them.

PetNi is free to download; 呼吸河豚 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

呼吸河豚 ships an update every 3 months, PetNi every 13 months. The most recent releases landed on October 16, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 呼吸河豚 | PetNi |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 13 months |
| Size | 30 MB | 49 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mental Healthcare Ltd.](https://appshunter.io/developer/1606295519) | [JunJie Yang](https://appshunter.io/developer/1442087099) |

## What reviewers say

### 呼吸河豚

[App page](https://appshunter.io/ios/app/id1548244902)

**Features:** macOS Compatibility

**In-app purchases:** none


### PetNi

[App page](https://appshunter.io/ios/app/petni/id1625577340)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 呼吸河豚 free?

呼吸河豚 costs $0.99, with no in-app purchases.

### Is PetNi free?

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

### Do 呼吸河豚 or PetNi have ads?

PetNi shows ads; 呼吸河豚 does not.

### Which is updated more often, 呼吸河豚 or PetNi?

呼吸河豚 ships an update every 3 months, and PetNi every 13 months. Most recently, 呼吸河豚 was updated on October 16, 2026 and PetNi on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*