# Booki AI vs SpoilThePlot

The clearest difference is in-app purchases: Booki AI at none against SpoilThePlot's 4. Booki AI also leads on update cadence (every 4 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SpoilThePlot sells 4 one-off in-app purchases. Booki AI asks for nothing beyond the download.

Booki AI ships an update every 4 days, SpoilThePlot every 2 weeks. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Booki AI | SpoilThePlot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/spoiltheplot/id6791803152/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Noah M](https://appshunter.io/developer/1858427231) | [SpoilThePlot](https://appshunter.io/developer/6791803154) |

## What reviewers say

### Booki AI

[App page](https://appshunter.io/ios/app/booki-ai/id6757681838)

**Features:** macOS Compatibility

**In-app purchases:** none


### SpoilThePlot

[App page](https://appshunter.io/ios/app/spoiltheplot/id6791803152)

Explore books, themes, series, and upcoming releases without revealing plot twists. This app allows you to discover new thrillers while keeping spoilers optional and track your reading progress with personalized lists.

**Highlights:** Discover new thrillers, Optional spoiler control, Browse themes and tropes, Follow series in reading order, Track reading lists, Upcoming release notifications

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Optional Tip | $0.99 | one-time |
| Optional Tip | $2.99 | one-time |
| Optional Tip | $4.99 | one-time |
| Optional Tip | $9.99 | one-time |


## Frequently asked questions

### Is Booki AI free?

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

### Is SpoilThePlot free?

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

### Do Booki AI or SpoilThePlot have ads?

Neither Booki AI nor SpoilThePlot shows ads.

### Which is updated more often, Booki AI or SpoilThePlot?

Booki AI ships an update every 4 days, and SpoilThePlot every 2 weeks. Most recently, Booki AI was updated on October 3, 2026 and SpoilThePlot on October 8, 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.*