# KRIZ vs BookLore AI

The clearest difference is update cadence: BookLore AI at every 5 days against KRIZ's every 3 weeks. KRIZ's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. KRIZ sells 2 in-app purchases, starting at $1.99 per month and BookLore AI sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

KRIZ ships an update every 3 weeks, BookLore AI every 5 days. The most recent releases landed on October 25, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | KRIZ | BookLore AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/booklore-ai-book-characters/id6801190644/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 46 MB | 39 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Kateryna Dimitrashko](https://appshunter.io/developer/6797778450) | [Yana Sychevska](https://appshunter.io/developer/1784293543) |

## What reviewers say

### KRIZ

[App page](https://appshunter.io/ios/app/kriz-reading-diary/id6797778448)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KRIZ Full | $1.99 | per month |
| KRIZ Full | $17.99 | per year |


### BookLore AI

[App page](https://appshunter.io/ios/app/booklore-ai-book-characters/id6801190644)

Visualize book characters with AI-generated portraits based on their descriptions. Build a personal library of your favorite characters and share your creations.

**Highlights:** AI character portrait generation, Personalized reading shelf, Character saving and recall, Multiple art style options, Social media sharing, Cross-device syncing

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BookLore AI Pro Monthly | $4.99 | per month |
| BookLore AI Pro Yearly | $34.99 | per year |
| 10 Credits | $1.99 | one-time |
| 30 Credits | $4.99 | one-time |


## Frequently asked questions

### Is KRIZ free?

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

### Is BookLore AI free?

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

### Do KRIZ or BookLore AI have ads?

Neither KRIZ nor BookLore AI shows ads.

### Which is updated more often, KRIZ or BookLore AI?

KRIZ ships an update every 3 weeks, and BookLore AI every 5 days. Most recently, KRIZ was updated on October 25, 2026 and BookLore AI on October 5, 2026.

---

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