# Auth+ 2FA Authenticator vs GenFuel

The clearest difference is in-app purchases: Auth+ 2FA Authenticator at none against GenFuel's 1. Auth+ 2FA Authenticator also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. GenFuel sells 1 one-off in-app purchase. Auth+ 2FA Authenticator asks for nothing beyond the download.

Auth+ 2FA Authenticator ships an update every 3 weeks, GenFuel every 2 months. The most recent releases landed on October 4, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Auth+ 2FA Authenticator | GenFuel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 39 MB | 11 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ekinoks Software](https://appshunter.io/developer/1006128703) | [Stanislav Makushov](https://appshunter.io/developer/1797582853) |

## What reviewers say

### Auth+ 2FA Authenticator

[App page](https://appshunter.io/ios/app/auth-plus-2fa-authenticator/id6738983855)

**Features:** macOS Compatibility

**In-app purchases:** none


### GenFuel

[App page](https://appshunter.io/ios/app/genfuel-generator-fuel-calc/id6759050951)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $4.99 | one-time |


## Frequently asked questions

### Is Auth+ 2FA Authenticator free?

Auth+ 2FA Authenticator is free to download, with no in-app purchases.

### Is GenFuel free?

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

### Do Auth+ 2FA Authenticator or GenFuel have ads?

Neither Auth+ 2FA Authenticator nor GenFuel shows ads.

### Which is updated more often, Auth+ 2FA Authenticator or GenFuel?

Auth+ 2FA Authenticator ships an update every 3 weeks, and GenFuel every 2 months. Most recently, Auth+ 2FA Authenticator was updated on October 4, 2026 and GenFuel on October 24, 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.*