# Authenticator App vs CalcPro

The clearest difference is ads: CalcPro at none against Authenticator App's shown. Authenticator App's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Authenticator App sells 3 in-app purchases, starting at $1.99 per month and CalcPro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Authenticator App ships an update every 5 weeks, CalcPro every 3 weeks. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Authenticator App | CalcPro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 26 MB | 12 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Arvind Murali](https://appshunter.io/developer/1806336604) | [RECEP ASLAN](https://appshunter.io/developer/6786743231) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-safeauth/id6755765192)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $9.99 | per year |
| Lifetime | $19.99 | one-time |


### CalcPro

[App page](https://appshunter.io/ios/app/calcpro-calculator-vault/id6790194640)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Elite Vault | $0.99 | one-time |


## Frequently asked questions

### Is Authenticator App free?

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

### Is CalcPro free?

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

### Do Authenticator App or CalcPro have ads?

Authenticator App shows ads; CalcPro does not.

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

Authenticator App ships an update every 5 weeks, and CalcPro every 3 weeks. Most recently, Authenticator App was updated on November 5, 2026 and CalcPro on November 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*