# KeyWise vs Bookworm Library

The clearest difference is in-app purchases: Bookworm Library at none against KeyWise's 3. KeyWise's advantage is update cadence (every 4 weeks vs every 8 months) and iOS requirement (16.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. KeyWise sells 3 in-app purchases, starting at $4.99 per 7 days. Bookworm Library asks for nothing beyond the download.

KeyWise ships an update every 4 weeks, Bookworm Library every 8 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | KeyWise | Bookworm Library |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (29 ratings)](https://appshunter.io/ios/app/keywise-ai-keyboard-and-writer/id6468307637/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 8 months |
| Monetization | Freemium | — |
| Size | 78 MB | 2 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Owl Apps LLC](https://appshunter.io/developer/1395829805) | [Alphaworks](https://appshunter.io/developer/566963153) |

## What reviewers say

### KeyWise

[App page](https://appshunter.io/ios/app/keywise-ai-keyboard-and-writer/id6468307637)

Enhance your writing with an intelligent AI keyboard. It offers grammar and spell checking, translation, tone adjustment, paraphrasing, and instant AI-powered answers. Unlock full potential with a premium subscription.

**Highlights:** Grammar & Spell Check, Real-time Translation, AI-powered Q&A, Tone Adjustment, Paraphrasing Tool, Auto-Reply Suggestions, Text Continuation

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $14.99 | per month |
| Yearly | $59.99 | per year |


### Bookworm Library

[App page](https://appshunter.io/ios/app/bookworm-library/id6759694157)

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

**In-app purchases:** none


## Frequently asked questions

### Is KeyWise free?

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

### Is Bookworm Library free?

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

### Do KeyWise or Bookworm Library have ads?

Neither KeyWise nor Bookworm Library shows ads.

### Which is updated more often, KeyWise or Bookworm Library?

KeyWise ships an update every 4 weeks, and Bookworm Library every 8 months. Most recently, KeyWise was updated on November 3, 2026 and Bookworm Library 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.*