# Chemical Solution Wizard vs Seabook

The clearest difference is price: Seabook at Free against Chemical Solution Wizard's $3.99. Seabook also leads on update cadence (every 2 weeks vs every 4 months). Chemical Solution Wizard's advantage is in-app purchases (none vs 9). On ads, device support and iOS requirement there is nothing between them.

Seabook is free to download; Chemical Solution Wizard costs $3.99 up front. Seabook sells 9 in-app purchases, starting at $1.99 per 7 days. Chemical Solution Wizard asks for nothing beyond the download.

Chemical Solution Wizard ships an update every 4 months, Seabook every 2 weeks. The most recent releases landed on October 2, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Chemical Solution Wizard | Seabook |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[4.8 (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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 352 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Roman Volinsky](https://appshunter.io/developer/977951850) | [Stanislau Kuryan](https://appshunter.io/developer/1457338312) |

## What reviewers say

### Chemical Solution Wizard

[App page](https://appshunter.io/ios/app/chemical-solution-wizard/id987393752)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Chemical Solution Wizard free?

Chemical Solution Wizard costs $3.99, with no in-app purchases.

### Is Seabook free?

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

### Do Chemical Solution Wizard or Seabook have ads?

Neither Chemical Solution Wizard nor Seabook shows ads.

### Which is updated more often, Chemical Solution Wizard or Seabook?

Chemical Solution Wizard ships an update every 4 months, and Seabook every 2 weeks. Most recently, Chemical Solution Wizard was updated on October 2, 2026 and Seabook on October 22, 2026.

---

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