# ShipINSPECT vs Bunker Stem

The clearest difference is in-app purchases: ShipINSPECT at none against Bunker Stem's 2. ShipINSPECT also leads on iOS requirement (15.0 vs 17.0). Bunker Stem's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Bunker Stem sells 2 in-app purchases, starting at $19.99 per month. ShipINSPECT asks for nothing beyond the download.

ShipINSPECT ships an update every 2 months, Bunker Stem every 2 weeks. The most recent releases landed on October 27, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ShipINSPECT | Bunker Stem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bunker-stem-fuel-calculator/id6777398984/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ShipNet](https://appshunter.io/developer/1577746837) | [Dmitriy Motorin](https://appshunter.io/developer/1495533596) |

## What reviewers say

### ShipINSPECT

[App page](https://appshunter.io/ios/app/shipinspect/id1624677212)

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

**In-app purchases:** none


### Bunker Stem

[App page](https://appshunter.io/ios/app/bunker-stem-fuel-calculator/id6777398984)

This app provides an offline workspace for managing bunker fuel delivery evidence. It allows users to record figures, samples, photos, and remarks, compare quantities, and preview a local evidence pack before export. Transparency features are free, with paid access for exporting and archiving.

**Highlights:** Offline evidence workspace, Bunker fuel quantity computer, BDN checklist, Stem workspace with status, Local Evidence Pack PDF preview, StoreKit export access

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Export Access | $19.99 | per month |
| Annual Export Access | $149.99 | per year |


## Frequently asked questions

### Is ShipINSPECT free?

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

### Is Bunker Stem free?

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

### Do ShipINSPECT or Bunker Stem have ads?

Neither ShipINSPECT nor Bunker Stem shows ads.

### Which is updated more often, ShipINSPECT or Bunker Stem?

ShipINSPECT ships an update every 2 months, and Bunker Stem every 2 weeks. Most recently, ShipINSPECT was updated on October 27, 2026 and Bunker Stem on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*