# Authenticator vs Wonder Cal

The clearest difference is review sentiment: Wonder Cal at 100% against Authenticator's 0%. Wonder Cal also leads on rating (5.0 vs 4.5). Authenticator's advantage is ratings volume (61 vs 5). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Authenticator sells 3 in-app purchases, starting at $6.99 per 7 days and Wonder Cal sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Wonder Cal holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Authenticator has 61 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of Authenticator's written reviews are positive against 100% of Wonder Cal's.

Authenticator ships an update every 5 months, Wonder Cal every 3 months. The most recent releases landed on October 22, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Authenticator | Wonder Cal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (61 ratings)](https://appshunter.io/ios/app/authenticator-secure-2fa-mfa/id6748400576/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/wonder-cal-calculator-plus/id6757216881/reviews)** |
| Number of ratings | **61** | 5 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 22 MB | 15 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [DEDUSHKA DEVELOPMENT - FZCO](https://appshunter.io/developer/1895610448) | [小利 薛](https://appshunter.io/developer/1675817893) |

## What reviewers say

### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-secure-2fa-mfa/id6748400576)

This app provides two-factor authentication to secure your online accounts. It generates time-based one-time passwords for various services, offering features like cloud backup, biometric protection, and offline code generation. Protect your digital life with this reliable and user-friendly security solution.

**Highlights:** Time-based one-time passwords (TOTP), Secure cloud backup and sync, Biometric and PIN protection, QR code scanner for setup, Offline code generation, Support for multiple accounts

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Monthly | $19.99 | per month |
| Yearly | $49.99 | per year |


### Wonder Cal

[App page](https://appshunter.io/ios/app/wonder-cal-calculator-plus/id6757216881)

This app transforms your device into a powerful calculation tool, offering everything from basic arithmetic to advanced scientific, financial, and programming functions. It also includes a unit converter, health calculators, and a unique photo-solving feature for math problems.

**Highlights:** General, Scientific, Finance, Programmer Calculators, Health and Unit Converters, Photo Solve for Math Problems, Step-by-step Solution Explanations, Customizable Themes, Real-time Currency Conversion

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Subscription Service | $4.99 | per month |


## Frequently asked questions

### Is Authenticator free?

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

### Is Wonder Cal free?

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

### Which has better reviews, Authenticator or Wonder Cal?

Wonder Cal is rated higher. Authenticator averages 4.5 out of 5 from 61 ratings, while Wonder Cal averages 5.0 from 5 ratings.

### Do Authenticator or Wonder Cal have ads?

Neither Authenticator nor Wonder Cal shows ads.

### Which is updated more often, Authenticator or Wonder Cal?

Authenticator ships an update every 5 months, and Wonder Cal every 3 months. Most recently, Authenticator was updated on October 22, 2026 and Wonder Cal on October 15, 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.*