# Authenticator App vs BlockToBlock

The clearest difference is price: Authenticator App at Free against BlockToBlock's $7.99. Authenticator App also leads on chart position (#48 vs unranked) and device support (5 vs 3). BlockToBlock's advantage is iOS requirement (12.0 vs 15.0). On update cadence, ads and in-app purchases there is nothing between them.

Authenticator App is free to download; BlockToBlock costs $7.99 up front. Authenticator App sells 11 in-app purchases, starting at $5.99 per 7 days and BlockToBlock sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 13, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Authenticator App | BlockToBlock |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | **[4.6 (49K ratings)](https://appshunter.io/ios/app/authenticator-app/id1538761576/reviews)** | — |
| Number of ratings | **49K** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Subscription | — |
| Best chart rank | **#48** | — |
| Size | 251 MB | 121 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [2Stable](https://appshunter.io/developer/1534145511) | [TECH HAS NO FACE  LIMITED](https://appshunter.io/developer/1821669037) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app/id1538761576)

**Currently charting:** #48 Top Grossing · Productivity, #67 Top Free · Productivity (US App Store)

This app provides secure two-factor authentication codes for your online accounts, enhancing security with encryption and backups. It offers seamless synchronization across Apple devices and quick access via widgets, even when offline.

**Highlights:** Secure & Private Encryption, Encrypted Backup, Automatic Synchronization, Quick Access Widget, Offline Code Generation, Multi-Account Import, Native Apple Experience

**Features:** Family Sharing, Apple Watch app, iMessage stickers

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator App | $5.99 | per 7 days |
| Authenticator App | $5.99 | per 7 days |
| Authenticator Premium | $9.99 | per month |
| Authenticator App | $9.99 | per 7 days |
| Authenticator App | $39.99 | per year |
| Authenticator App | $49.99 | per year |
| Authenticator App Premium | $49.99 | per year |
| Authenticator App | $49.99 | per year |
| Authenticator App | $69.99 | per year |
| Authenticator App | $69.99 | per year |
| Authenticator App Premium | $99.99 | one-time |

**What reviewers like**

- 🚀 Works well
- 🔒 Secure and reliable
- 👍 Easy to use and set up
- 💡 Excellent cross-device sync and backup
- 👍 Convenient desktop app

**What reviewers complain about**

- 🐛 Compatibility issues with newer devices
- 💰 Expensive subscription
- 🔒 Limited free version
- 👎 Confusing setup and instructions
- 🐛 Bugs and crashes

**Reported bugs**

- App not launching on M2 MacBook Air
- Widget showing incorrect codes
- Login issues after device changes

**Requested features**

- More widget customization options
- Bulk import/export of accounts
- Password manager integration
- Automatic locking and unlocking options


### BlockToBlock

[App page](https://appshunter.io/ios/app/blocktoblock/id6748413990)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BlockToBlock Pro Monthly | $9.99 | per month |


## Frequently asked questions

### Is Authenticator App free?

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

### Is BlockToBlock free?

BlockToBlock costs $7.99, and also offers in-app purchases.

### Do Authenticator App or BlockToBlock have ads?

Neither Authenticator App nor BlockToBlock shows ads.

### Which is updated more often, Authenticator App or BlockToBlock?

Authenticator App ships an update fortnightly, and BlockToBlock fortnightly. Most recently, Authenticator App was updated on October 13, 2026 and BlockToBlock on September 29, 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.*