# BSM QDMS Wiki vs iSail

The clearest difference is iOS requirement: iSail at 12.0 against BSM QDMS Wiki's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

BSM QDMS Wiki ships an update every 2 months, iSail every 5 weeks. The most recent releases landed on August 16, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | BSM QDMS Wiki | iSail |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 35 MB | 76 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | 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

### BSM QDMS Wiki

[App page](https://appshunter.io/ios/app/bsm-qdms-wiki/id1492672667)

**Features:** Vision Pro support

**In-app purchases:** none


### iSail

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

**In-app purchases:** none


## Frequently asked questions

### Is BSM QDMS Wiki free?

BSM QDMS Wiki is free to download, with no in-app purchases.

### Is iSail free?

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

### Do BSM QDMS Wiki or iSail have ads?

Neither BSM QDMS Wiki nor iSail shows ads.

### Which is updated more often, BSM QDMS Wiki or iSail?

BSM QDMS Wiki ships an update every 2 months, and iSail every 5 weeks. Most recently, BSM QDMS Wiki was updated on August 16, 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.*