# Seabook vs Swiftlet

The clearest difference is in-app purchases: Swiftlet at none against Seabook's 9. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Seabook sells 9 in-app purchases, starting at $1.99 per 7 days. Swiftlet asks for nothing beyond the download.

Seabook ships an update every 2 weeks, Swiftlet every 8 days. The most recent releases landed on October 18, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Seabook | Swiftlet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (239 ratings)](https://appshunter.io/ios/app/seabook-fish-identifier-and-log/id1457338313/reviews)** | — |
| Number of ratings | **239** | — |
| Positive reviews | 61.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 352 MB | 40 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Stanislau Kuryan](https://appshunter.io/developer/1457338312) | [Tame Bickel](https://appshunter.io/developer/6809779184) |

## What reviewers say

### Seabook

[App page](https://appshunter.io/ios/app/seabook-fish-identifier-and-log/id1457338313)

Identify marine life with AI-powered photo recognition and explore detailed species information. Log your dives with comprehensive data, track conditions, equipment, and sightings. Organize your discoveries into personal collections and access information offline.

**Highlights:** AI fish identification by photo, Comprehensive dive logbook, Personalized marine life collections, Detailed species information, Intuitive search and filters, Offline mode for remote access

**Features:** Family Sharing, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly (extended) | $1.99 | per 7 days |
| Weekly premium access | $4.00 | per 7 days |
| Monthly Premium access | $7.00 | per month |
| Annual Premium (extended) | $29.00 | per year |
| Annual Premium (3 days trial) | $39.00 | per year |
| Annual Premium access | $43.00 | per year |
| Lifetime Offline mode | $5.00 | one-time |
| IAS Special Offer | $49.99 | one-time |
| Lifetime Offer for Students | $59.99 | one-time |


### Swiftlet

[App page](https://appshunter.io/ios/app/swiftlet-learn-to-code/id6809779182)

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

**In-app purchases:** none


## Frequently asked questions

### Is Seabook free?

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

### Is Swiftlet free?

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

### Do Seabook or Swiftlet have ads?

Neither Seabook nor Swiftlet shows ads.

### Which is updated more often, Seabook or Swiftlet?

Seabook ships an update every 2 weeks, and Swiftlet every 8 days. Most recently, Seabook was updated on October 18, 2026 and Swiftlet on October 4, 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.*