# Keyboard AI Subscription vs Special KB

The clearest difference is update cadence: Special KB at every 8 days against Keyboard AI Subscription's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Keyboard AI Subscription sells 1 one-off in-app purchase and Special KB sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Keyboard AI Subscription ships an update every 3 months, Special KB every 8 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Keyboard AI Subscription | Special KB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Size | 845 MB | 26 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bryan Ledda](https://appshunter.io/developer/1439071343) | [Enfour, Inc.](https://appshunter.io/developer/284965604) |

## What reviewers say

### Keyboard AI Subscription

[App page](https://appshunter.io/ios/app/keyboard-ai-subscription/id6745053834)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1,000,000 Tokens | $3.99 | one-time |


### Special KB

[App page](https://appshunter.io/ios/app/special-kb/id6795414648)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Special KB subscription | $1.99 | per month |


## Frequently asked questions

### Is Keyboard AI Subscription free?

Keyboard AI Subscription is free to download, with in-app purchases available.

### Is Special KB free?

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

### Do Keyboard AI Subscription or Special KB have ads?

Neither Keyboard AI Subscription nor Special KB shows ads.

### Which is updated more often, Keyboard AI Subscription or Special KB?

Keyboard AI Subscription ships an update every 3 months, and Special KB every 8 days. Most recently, Keyboard AI Subscription was updated on October 30, 2026 and Special KB on October 31, 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.*