# Tapper Propane vs Authentication App

The clearest difference is in-app purchases: Tapper Propane at none against Authentication App's 2. Tapper Propane also leads on iOS requirement (12.2 vs 14.0). Authentication App's advantage is update cadence (every 2 months vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Authentication App sells 2 in-app purchases, starting at $9.99 per month. Tapper Propane asks for nothing beyond the download.

Tapper Propane ships an update every 4 months, Authentication App every 2 months. The most recent releases landed on September 27, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Tapper Propane | Authentication App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (592 ratings)](https://appshunter.io/ios/app/authentication-app-mfa-totp/id6443597953/reviews)** |
| Number of ratings | — | **592** |
| Positive reviews | — | 74.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Freemium |
| Size | 56 MB | 66 MB |
| Requires iOS | **12.2** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rural Computer Consultants, Inc.](https://appshunter.io/developer/640795441) | [Soufiane Benabid](https://appshunter.io/developer/938808835) |

## What reviewers say

### Tapper Propane

[App page](https://appshunter.io/ios/app/tapper-propane/id1633454990)

**Features:** macOS Compatibility

**In-app purchases:** none


### Authentication App

[App page](https://appshunter.io/ios/app/authentication-app-mfa-totp/id6443597953)

Enhance your online account security with this two-factor authentication utility. Easily add accounts by scanning QR codes or entering details manually. Securely back up and sync your data with iCloud Keychain for device loss or upgrades.

**Highlights:** Two-factor authentication (2FA), QR code scanning for account setup, Manual account detail entry, Secure backup and sync with iCloud Keychain, Password and Face ID lock, Multi-device sync

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authentificator - Monthly | $9.99 | per month |
| Authentificator - Yearly | $39.99 | per year |

**What reviewers like**

- 👍 Easy to use and user-friendly interface
- 🔒 Reliable authentication functionality
- ⭐ Excellent overall performance
- 😊 Smooth and stress-free experience
- 💯 Best-in-class authenticator app

**What reviewers complain about**

- 🐛 App doesn't work reliably
- 💰 High pricing relative to competitors
- 😕 Confusing for some users
- ⚠️ Account loss issues reported

**Reported bugs**

- App fails to function properly for some users
- Account data loss or inaccessibility
- Inconsistent performance across devices

**Requested features**

- Better account recovery options
- Improved user onboarding/documentation


## Frequently asked questions

### Is Tapper Propane free?

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

### Is Authentication App free?

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

### Do Tapper Propane or Authentication App have ads?

Neither Tapper Propane nor Authentication App shows ads.

### Which is updated more often, Tapper Propane or Authentication App?

Tapper Propane ships an update every 4 months, and Authentication App every 2 months. Most recently, Tapper Propane was updated on September 27, 2026 and Authentication App on October 13, 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.*