# PET单词速记 vs KeyPass

The clearest difference is in-app purchases: KeyPass at none against PET单词速记's 2. PET单词速记's advantage is update cadence (every 9 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PET单词速记 sells 2 in-app purchases, starting at $9.99 per year. KeyPass asks for nothing beyond the download.

PET单词速记 ships an update every 9 days, KeyPass every 2 months. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PET单词速记 | KeyPass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Size | 31 MB | 22 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [天津麦金塔科技有限公司](https://appshunter.io/developer/1221143167) | [斯理 梁](https://appshunter.io/developer/1883632984) |

## What reviewers say

### PET单词速记

[App page](https://appshunter.io/ios/app/pet-meowords/id6737247519)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PET单词速记-高级年费版 | $9.99 | per year |
| PET单词速记终身版 | $24.99 | one-time |


### KeyPass

[App page](https://appshunter.io/ios/app/keypass/id6761231171)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PET单词速记 free?

PET单词速记 is free to download, with in-app purchases available.

### Is KeyPass free?

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

### Do PET单词速记 or KeyPass have ads?

Neither PET单词速记 nor KeyPass shows ads.

### Which is updated more often, PET单词速记 or KeyPass?

PET单词速记 ships an update every 9 days, and KeyPass every 2 months. Most recently, PET单词速记 was updated on November 4, 2026 and KeyPass on October 31, 2026.

---

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