# Authenticator App vs All In One Calculator+

The clearest difference is in-app purchases: All In One Calculator+ at none against Authenticator App's 2. Authenticator App's advantage is update cadence (every 9 days vs monthly) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Authenticator App sells 2 in-app purchases, starting at $39.99 per year. All In One Calculator+ asks for nothing beyond the download.

Authenticator App ships an update every 9 days, All In One Calculator+ monthly. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Authenticator App | All In One Calculator+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Size | 68 MB | 30 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ashish Chaklasiya](https://appshunter.io/developer/1028356298) | [IT WAVES](https://appshunter.io/developer/1596113244) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-otp/id6477574808)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Premium - 1 year | $39.99 | per year |
| Authenticator Premium Lifetime | $69.99 | one-time |


### All In One Calculator+

[App page](https://appshunter.io/ios/app/all-in-one-calculator-plus/id6757516116)

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

**In-app purchases:** none


## Frequently asked questions

### Is Authenticator App free?

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

### Is All In One Calculator+ free?

All In One Calculator+ is free to download, with no in-app purchases.

### Do Authenticator App or All In One Calculator+ have ads?

Neither Authenticator App nor All In One Calculator+ shows ads.

### Which is updated more often, Authenticator App or All In One Calculator+?

Authenticator App ships an update every 9 days, and All In One Calculator+ monthly. Most recently, Authenticator App was updated on November 8, 2026 and All In One Calculator+ on November 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.*