# BTMSR vs Authenticator App

The clearest difference is update cadence: BTMSR at every 8 days against Authenticator App's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. BTMSR sells 2 in-app purchases, starting at $4.99 per month and Authenticator App sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

BTMSR ships an update every 8 days, Authenticator App every 2 months. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | BTMSR | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa-and-mfa/id6780433633/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 36 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TCool LTD.](https://appshunter.io/developer/1711330864) | [Essa Studio](https://appshunter.io/developer/1773623663) |

## What reviewers say

### BTMSR

[App page](https://appshunter.io/ios/app/btmsr-postech/id6745852846)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BTMSR Monthly Membership | $4.99 | per month |
| BTMSR Annual Membership | $19.99 | per year |


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-and-mfa/id6780433633)

This app generates secure one-time codes for two-factor authentication, working offline and protected by biometric security. It supports thousands of services and offers encrypted cloud backup for easy restoration on new devices.

**Highlights:** Generates TOTP & HOTP codes, Works offline, Biometric security (Face ID/Touch ID), Encrypted cloud backup, QR code and manual key entry, Customizable account list

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Auth Premium Weekly | $6.99 | per 7 days |
| Auth Premium Annually | $49.99 | per year |


## Frequently asked questions

### Is BTMSR free?

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

### Is Authenticator App free?

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

### Do BTMSR or Authenticator App have ads?

Neither BTMSR nor Authenticator App shows ads.

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

BTMSR ships an update every 8 days, and Authenticator App every 2 months. Most recently, BTMSR was updated on October 6, 2026 and Authenticator App on October 9, 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.*