# CATS Input Method Pro vs Post Saver

The clearest difference is in-app purchases: CATS Input Method Pro at none against Post Saver's 1. CATS Input Method Pro also leads on iOS requirement (17.0 vs 26.0). Post Saver's advantage is update cadence (every 3 days vs every 24 months). On price, ads and device support there is nothing between them.

Both are free to download. Post Saver sells 1 one-off in-app purchase. CATS Input Method Pro asks for nothing beyond the download.

CATS Input Method Pro ships an update every 24 months, Post Saver every 3 days. The most recent releases landed on September 28, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | CATS Input Method Pro | Post Saver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 3 days** |
| Size | 7 MB | 5 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [YIU LEUNG RANDY CHAN](https://appshunter.io/developer/1474191447) | [金苹 卢](https://appshunter.io/developer/1885537846) |

## What reviewers say

### CATS Input Method Pro

[App page](https://appshunter.io/ios/app/cats-input-method-pro/id1523143711)

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

**In-app purchases:** none


### Post Saver

[App page](https://appshunter.io/ios/app/post-saver-save-social-posts/id6816399878)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Post Saver Pro | $4.99 | one-time |


## Frequently asked questions

### Is CATS Input Method Pro free?

CATS Input Method Pro is free to download, with no in-app purchases.

### Is Post Saver free?

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

### Do CATS Input Method Pro or Post Saver have ads?

Neither CATS Input Method Pro nor Post Saver shows ads.

### Which is updated more often, CATS Input Method Pro or Post Saver?

CATS Input Method Pro ships an update every 24 months, and Post Saver every 3 days. Most recently, CATS Input Method Pro was updated on September 28, 2026 and Post Saver on October 6, 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.*