# Authenticator App vs GTF Technologies

The clearest difference is in-app purchases: GTF Technologies at none against Authenticator App's 4. Authenticator App's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Authenticator App sells 3 in-app purchases, starting at $1.99 per month. GTF Technologies asks for nothing beyond the download.

Authenticator App ships an update every 3 weeks, GTF Technologies every 3 months. The most recent releases landed on September 24, 2026 and May 26, 2026 respectively.

## The numbers

| Metric | Authenticator App | GTF Technologies |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (32 ratings)](https://appshunter.io/ios/app/authenticator-app-sentinel/id1189922806/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | 72.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 22 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tommaso Carpi](https://appshunter.io/developer/714996025) | [IQSetters LLP](https://appshunter.io/developer/1612589644) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-sentinel/id1189922806)

Secure your online accounts with this app that manages all your two-factor authentication (2FA) codes in one place. It offers seamless syncing across devices, organized folders, and encrypted backups for peace of mind. Personalize your experience with custom icons and themes for easy account recognition.

**Highlights:** Manage all 2FA codes in one app, Seamless sync across Apple devices, Encrypted backups for code protection, Organize accounts with folders, Custom icons and themes, iOS & macOS widgets for quick access

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Annual Subscription | $9.99 | per year |
| Lifetime Access | $39.99 | one-time |

**What reviewers like**

- 👍 Easy to use and set up
- 🚀 Seamless syncing across devices (iOS, macOS)
- 🔒 Secure and dependable 2FA solution
- 💡 Responsive and friendly developer
- 💰 One-time purchase/lifetime option appreciated

**What reviewers complain about**

- 🐛 Widgets not working consistently (Mac/iPhone)
- 💰 Paid app, no free tier for some features
- 🐛 Some users experienced issues with syncing
- 🐛 Codes not working for specific services (e.g., Discord, Amazon)
- 🐛 App stuck on loading tokens for some users

**Reported bugs**

- Widgets not working on Mac Desktop and iPhone
- App stuck on loading tokens
- Syncing issues between devices
- Codes not working for specific services (Discord, Amazon)
- Unexpected charges/multiple purchases

**Requested features**

- Ability to reorder/hide folders
- Sort accounts by email address or service
- Show duplicates
- Show date service added
- Backup options (more explicit)


### GTF Technologies

[App page](https://appshunter.io/ios/app/gtf-technologies/id6475678588)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Authenticator App free?

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

### Is GTF Technologies free?

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

### Do Authenticator App or GTF Technologies have ads?

Neither Authenticator App nor GTF Technologies shows ads.

### Which is updated more often, Authenticator App or GTF Technologies?

Authenticator App ships an update every 3 weeks, and GTF Technologies every 3 months. Most recently, Authenticator App was updated on September 24, 2026 and GTF Technologies on May 26, 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.*