# Wave vs ZoneLink

The clearest difference is in-app purchases: ZoneLink at none against Wave's 2. ZoneLink also leads on update cadence (every 4 days vs every 3 weeks) and iOS requirement (13.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. Wave sells 2 in-app purchases, starting at $4.99 per month. ZoneLink asks for nothing beyond the download.

Wave ships an update every 3 weeks, ZoneLink every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Wave | ZoneLink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/wave-maritime/id6762134042/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 57 MB | 44 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [BUILD BY TWO & ONE LIMITED](https://appshunter.io/developer/1893069991) | [Gregory Taylor](https://appshunter.io/developer/6776447082) |

## What reviewers say

### Wave

[App page](https://appshunter.io/ios/app/wave-maritime/id6762134042)

This app helps seafarers manage their maritime careers. Log sea service, store certificates, and track career progression. Export records as PDFs and access data offline.

**Highlights:** Sea service tracking, Certificate management, Career progression monitoring, PDF export and sharing, Offline access, Secure data storage

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wave Pro Monthly | $4.99 | per month |
| Wave Pro Yearly | $49.99 | per year |


### ZoneLink

[App page](https://appshunter.io/ios/app/zonelink/id6794818466)

**In-app purchases:** none


## Frequently asked questions

### Is Wave free?

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

### Is ZoneLink free?

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

### Do Wave or ZoneLink have ads?

Neither Wave nor ZoneLink shows ads.

### Which is updated more often, Wave or ZoneLink?

Wave ships an update every 3 weeks, and ZoneLink every 4 days. Most recently, Wave was updated on November 5, 2026 and ZoneLink 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.*