# AWBS C vs Sourcewell

The clearest difference is iOS requirement: AWBS C at 10.0 against Sourcewell's 17.0. 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.

AWBS C ships an update every 5 months, Sourcewell every 3 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | AWBS C | Sourcewell |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/awbs-c-130/id1462301885/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 156 MB | 76 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Lockheed Martin](https://appshunter.io/developer/400687539) | [Sourcewell](https://appshunter.io/developer/1480428831) |

## What reviewers say

### AWBS C

[App page](https://appshunter.io/ios/app/awbs-c-130/id1462301885)

This app helps manage aircraft weight and balance throughout their maintenance lifecycle. It allows for easy inventory management, recording weighing data, and creating flight clearance forms to ensure operational limits are met.

**Highlights:** Aircraft handbook maintenance support, Basic Weight Checklist management, Aircraft Weighing Record, Wireless weighing system interface, Basic weight and CG management, Flight Clearance Form creation

**Features:** macOS Compatibility

**In-app purchases:** none


### Sourcewell

[App page](https://appshunter.io/ios/app/sourcewell-events/id6449303950)

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

**In-app purchases:** none


## Frequently asked questions

### Is AWBS C free?

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

### Is Sourcewell free?

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

### Do AWBS C or Sourcewell have ads?

Neither AWBS C nor Sourcewell shows ads.

### Which is updated more often, AWBS C or Sourcewell?

AWBS C ships an update every 5 months, and Sourcewell every 3 months. Most recently, AWBS C was updated on October 24, 2026 and Sourcewell on October 30, 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.*