# AutoBid vs Fuel Density Calculation

The clearest difference is price: AutoBid at Free against Fuel Density Calculation's $2.99. AutoBid also leads on ratings volume (8 vs 2) and iOS requirement (11.0 vs 17.0). Fuel Density Calculation's advantage is rating (5.0 vs 4.8). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

AutoBid is free to download; Fuel Density Calculation costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Fuel Density Calculation holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 8 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

AutoBid ships an update every 4 months, Fuel Density Calculation every 2 months. The most recent releases landed on September 19, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | AutoBid | Fuel Density Calculation |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.8 (8 ratings)](https://appshunter.io/ios/app/autobid/id903734126/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fuel-density-calculation/id6636469810/reviews)** |
| Number of ratings | **8** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free** | Paid |
| Size | 7 MB | 1 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [QuickBid, LLC](https://appshunter.io/developer/903734129) | [Richard Montoya](https://appshunter.io/developer/1762752434) |

## What reviewers say

### AutoBid

[App page](https://appshunter.io/ios/app/autobid/id903734126)

Automate your bid submissions for travel with this app. It securely transfers your bid list from QuickBid directly into Sabre, eliminating the need for a laptop. Simply set up your bids on your mobile device and let the app handle the rest.

**Highlights:** Bid list transfer from QuickBid, Sabre integration, Mobile bid submission, Eliminates laptop requirement, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Fuel Density Calculation

[App page](https://appshunter.io/ios/app/fuel-density-calculation/id6636469810)

This utility app assists wide-body aircrews, specifically for Boeing and Airbus aircraft, in comparing uploaded fuel quantities with actual fuel on board. It incorporates density calculations for accurate fuel management.

**Highlights:** Fuel density calculations, Compare uploaded vs. actual fuel, Designed for Boeing and Airbus aircrews, Accurate fuel on board (FOB) verification

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

**In-app purchases:** none


## Frequently asked questions

### Is AutoBid free?

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

### Is Fuel Density Calculation free?

Fuel Density Calculation costs $2.99, with no in-app purchases.

### Which has better reviews, AutoBid or Fuel Density Calculation?

Fuel Density Calculation is rated higher. AutoBid averages 4.8 out of 5 from 8 ratings, while Fuel Density Calculation averages 5.0 from 2 ratings.

### Do AutoBid or Fuel Density Calculation have ads?

Neither AutoBid nor Fuel Density Calculation shows ads.

### Which is updated more often, AutoBid or Fuel Density Calculation?

AutoBid ships an update every 4 months, and Fuel Density Calculation every 2 months. Most recently, AutoBid was updated on September 19, 2026 and Fuel Density Calculation on October 5, 2026.

---

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