# Harmony Spa vs Pai

The clearest difference is in-app purchases: Harmony Spa at none against Pai's 6. Harmony Spa also leads on iOS requirement (13.0 vs 17.6). Pai's advantage is update cadence (every 6 days vs every 14 months). On price, ads and device support there is nothing between them.

Both are free to download. Pai sells 6 in-app purchases, starting at $4.99 per 7 days. Harmony Spa asks for nothing beyond the download.

Harmony Spa ships an update every 14 months, Pai every 6 days. The most recent releases landed on October 29, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Harmony Spa | Pai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (62 ratings)](https://appshunter.io/ios/app/pai-pet-translator/id6745210018/reviews)** |
| Number of ratings | — | **62** |
| Positive reviews | — | 94.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 49 MB | 239 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Phorest](https://appshunter.io/developer/623199517) | [Yixin Ren](https://appshunter.io/developer/1811304370) |

## What reviewers say

### Harmony Spa

[App page](https://appshunter.io/ios/app/harmony-spa/id1319774637)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Pai

[App page](https://appshunter.io/ios/app/pai-pet-translator/id6745210018)

This app offers a fun way to imagine what your pet is thinking by displaying real-time "subtitles" when you point your camera at them. You can then share these amusing captions with others. It's designed for entertainment and not as a substitute for professional pet advice.

**Highlights:** Real-time "subtitles" for pets, Camera-based interpretation, Share captions with friends, Cat and dog behavior focus, Entertainment purposes

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Pet Translator Weekly | $6.99 | per 7 days |
| Pet Translator: Cat & Dog Talk | $9.99 | per month |
| Pet Translator: Cat & Dog Talk | $19.99 | per year |
| Pet Translator: Dog & Cat Talk | $34.99 | per year |
| Pet Translator: Dog & Cat Talk | $34.99 | per year |

**What reviewers like**

- 👍 Works surprisingly well
- 🤩 Fun and creative idea
- 🎉 Magic experience
- 🎥 Awesome live mode
- 👌 Great user experience

**What reviewers complain about**

- 🔧 Not 100% polished
- 🔀 No mode for multiple pets

**Reported bugs**

- Clunky exporting process

**Requested features**

- Better visualization of text
- Quick-share to friends
- Easier exporting


## Frequently asked questions

### Is Harmony Spa free?

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

### Is Pai free?

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

### Do Harmony Spa or Pai have ads?

Neither Harmony Spa nor Pai shows ads.

### Which is updated more often, Harmony Spa or Pai?

Harmony Spa ships an update every 14 months, and Pai every 6 days. Most recently, Harmony Spa was updated on October 29, 2026 and Pai on November 5, 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.*