# SEAiq vs VoyLog

The clearest difference is update cadence: VoyLog at every 4 days against SEAiq's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SEAiq sells 2 in-app purchases, starting at $15.00 per year and VoyLog sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

SEAiq ships an update every 2 weeks, VoyLog every 4 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SEAiq | VoyLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (194 ratings)](https://appshunter.io/ios/app/seaiq/id529514298/reviews)** | — |
| Number of ratings | **194** | — |
| Positive reviews | 61.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 54 MB | 56 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sakhalin](https://appshunter.io/developer/517213477) | [METRICS TR DANISMANLIK VE DIS TICARET ANONIM SIRKETI](https://appshunter.io/developer/6783287410) |

## What reviewers say

### SEAiq

[App page](https://appshunter.io/ios/app/seaiq/id529514298)

This marine navigation app offers comprehensive charting tools, allowing users to load various chart formats and automatically download NOAA charts for the US. It includes features like waypoints, routes, tracks, weather overlays, and NMEA/AIS integration for enhanced seafaring.

**Highlights:** Load custom charts (S-57, S-63, BSB, KAP), Automatic NOAA chart downloads (US), Waypoint and route planning, Track recording and display, Night color modes, Anchor alarm, Weather overlays (wind & isobar), NMEA and AIS integration

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Annual | $15.00 | per year |
| Upgrade for Premium Features | $49.99 | one-time |

**What reviewers like**

- 👍 Highly reliable navigation app
- 💡 Tons of features
- ✨ Clean and sensical interface
- 🚀 Versatile for plotting routes/waypoints
- 📊 Estimating AIS target crossing range

**What reviewers complain about**

- 😩 Tedious to plot a course
- 🔧 Complicated chart setup initially
- 🤔 Not user friendly
- 📚 Instructions not very helpful
- ⏳ Time wasted on simple things

**Reported bugs**

- No access to premium features after payment
- Chart downloads fail if app is not on screen
- App freezes when trying to delete
- App crashes

**Requested features**

- Simplify course plotting
- Add support for .MBTiles
- Add VMG feature
- Add support for .MBTiles
- Add support for .MBTiles


### VoyLog

[App page](https://appshunter.io/ios/app/voylog/id6784607636)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VoyLog Pro | $4.99 | per month |


## Frequently asked questions

### Is SEAiq free?

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

### Is VoyLog free?

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

### Do SEAiq or VoyLog have ads?

Neither SEAiq nor VoyLog shows ads.

### Which is updated more often, SEAiq or VoyLog?

SEAiq ships an update every 2 weeks, and VoyLog every 4 days. Most recently, SEAiq was updated on November 6, 2026 and VoyLog on November 5, 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.*