# Jet Fueling vs Auth0 Guardian

The clearest difference is review sentiment: Jet Fueling at 89% against Auth0 Guardian's 14%. Jet Fueling also leads on rating (4.6 vs 2.4) and update cadence (monthly vs every 3 months). Auth0 Guardian's advantage is price (Free vs $1.99) and in-app purchases (none vs 1). On ads and device support there is nothing between them.

Auth0 Guardian is free to download; Jet Fueling costs $1.99 up front. Jet Fueling sells 1 one-off in-app purchase. Auth0 Guardian asks for nothing beyond the download.

Jet Fueling holds the better App Store score, 4.6 against 2.4. That said, the two scores are not equally well evidenced: Auth0 Guardian has 116 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 89% of Jet Fueling's written reviews are positive against 14% of Auth0 Guardian's.

Jet Fueling ships an update monthly, Auth0 Guardian every 3 months. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Jet Fueling | Auth0 Guardian |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.6 (7 ratings)](https://appshunter.io/ios/app/jet-fueling/id289440313/reviews)** | [2.4 (116 ratings)](https://appshunter.io/ios/app/auth0-guardian/id1093447833/reviews) |
| Number of ratings | 7 | **116** |
| Positive reviews | **89.3% of reviews** | 14.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 2 MB | 21 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Serge Ostrowsky](https://appshunter.io/developer/286026735) | [Auth0](https://appshunter.io/developer/1076692516) |

## What reviewers say

### Jet Fueling

[App page](https://appshunter.io/ios/app/jet-fueling/id289440313)

This app assists aircraft refueling operations and payload calculations. It helps determine desired bloc fuel, computes uplift quantities considering various factors, and performs basic fuel and specific gravity conversions. A built-in calculator is accessible via a swipe gesture.

**Highlights:** Payload vs. Bloc Fuel determination, Uplift quantity calculation, Fuel on Board (FOB) consideration, APU fuel consumption calculation, Fuel density input, Basic fuel conversions, Specific gravity conversions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chateau Tess 2009 | $2.99 | one-time |


### Auth0 Guardian

[App page](https://appshunter.io/ios/app/auth0-guardian/id1093447833)

This app provides multi-factor authentication by sending push notifications to your device for easy approval or denial of account access. It can also generate one-time passwords for secure logins.

**Highlights:** Push notification authentication, Allow/deny account access, One-time password generation, Multi-factor authentication, Secure login

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Generally reliable authenticator
- 👍 Intuitive and simple
- 👍 Clean easy to use app
- 👍 Beautiful app that works
- 👍 Worked just fine

**What reviewers complain about**

- 🐛 Notifications not working properly
- 🐛 No more Apple Watch or lock screen approval
- 🐛 Cannot approve from Apple Watch
- 🐛 Push notifications stopped working
- 🐛 App is garbage

**Reported bugs**

- Notifications not working properly on iPhone iOS
- Limited notification configuration settings
- Apple Watch notification not working
- Push notifications not working
- New update broke Apple Watch approvals

**Requested features**

- Allow account transfer to another phone
- Create a feature to transfer connected accounts to the same app on another phone
- Add watch capability
- Needs a watch version
- Add Apple Watch notification support


## Frequently asked questions

### Is Jet Fueling free?

Jet Fueling costs $1.99, and also offers in-app purchases.

### Is Auth0 Guardian free?

Auth0 Guardian is free to download, with no in-app purchases.

### Which has better reviews, Jet Fueling or Auth0 Guardian?

Jet Fueling is rated higher. Jet Fueling averages 4.6 out of 5 from 7 ratings, while Auth0 Guardian averages 2.4 from 116 ratings.

### Do Jet Fueling or Auth0 Guardian have ads?

Neither Jet Fueling nor Auth0 Guardian shows ads.

### Which is updated more often, Jet Fueling or Auth0 Guardian?

Jet Fueling ships an update monthly, and Auth0 Guardian every 3 months. Most recently, Jet Fueling was updated on October 31, 2026 and Auth0 Guardian on November 6, 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.*