# XT Vessel Tracker vs iSail

The clearest difference is update cadence: iSail at every 5 weeks against XT Vessel Tracker's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

XT Vessel Tracker ships an update every 3 months, iSail every 5 weeks. The most recent releases landed on September 14, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | XT Vessel Tracker | iSail |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Size | 25 MB | 76 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [MariApps Marine Solutions Pvt. Ltd.](https://appshunter.io/developer/1040404561) | [Tanuj Balani](https://appshunter.io/developer/1746466025) |

## What reviewers say

### XT Vessel Tracker

[App page](https://appshunter.io/ios/app/xt-vessel-tracker/id1500255008)

**In-app purchases:** none


### iSail

[App page](https://appshunter.io/ios/app/isail/id6502706200)

**In-app purchases:** none


## Frequently asked questions

### Is XT Vessel Tracker free?

XT Vessel Tracker is free to download, with no in-app purchases.

### Is iSail free?

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

### Do XT Vessel Tracker or iSail have ads?

Neither XT Vessel Tracker nor iSail shows ads.

### Which is updated more often, XT Vessel Tracker or iSail?

XT Vessel Tracker ships an update every 3 months, and iSail every 5 weeks. Most recently, XT Vessel Tracker was updated on September 14, 2026 and iSail on September 19, 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.*