# BSM QDMS Wiki vs SIRE 2.0 Prep

BSM QDMS Wiki and SIRE 2.0 Prep are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, SIRE 2.0 Prep every 6 weeks. The most recent releases landed on October 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | BSM QDMS Wiki | SIRE 2.0 Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 35 MB | 22 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [MariApps Marine Solutions Pvt. Ltd.](https://appshunter.io/developer/1040404561) | [Ceejo Thomas](https://appshunter.io/developer/1147475045) |

## 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


### SIRE 2.0 Prep

[App page](https://appshunter.io/ios/app/sire-20-prep/id6478749472)

**Features:** macOS Compatibility

**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 SIRE 2.0 Prep free?

SIRE 2.0 Prep is free to download, with no in-app purchases.

### Do BSM QDMS Wiki or SIRE 2.0 Prep have ads?

Neither BSM QDMS Wiki nor SIRE 2.0 Prep shows ads.

### Which is updated more often, BSM QDMS Wiki or SIRE 2.0 Prep?

BSM QDMS Wiki ships an update every 2 months, and SIRE 2.0 Prep every 6 weeks. Most recently, BSM QDMS Wiki was updated on October 29, 2026 and SIRE 2.0 Prep on October 10, 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.*