# Calculator vs SecureSonic

The clearest difference is rating: SecureSonic at 5.0 against Calculator's 4.3. SecureSonic also leads on in-app purchases (none vs 1) and ads (none vs shown). Calculator's advantage is ratings volume (20 vs 1) and update cadence (every 3 months vs every 7 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Calculator sells 1 one-off in-app purchase. SecureSonic asks for nothing beyond the download.

SecureSonic holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Calculator has 20 ratings behind it against 1, so its average is the more settled of the two.

Calculator ships an update every 3 months, SecureSonic every 7 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Calculator | SecureSonic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (20 ratings)](https://appshunter.io/ios/app/calculator-15-calculators/id1609183107/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/securesonic/id6744837368/reviews)** |
| Number of ratings | **20** | 1 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 30 MB | 21 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [RV AppStudios LLC](https://appshunter.io/developer/340181308) | [Secure Sonique inc](https://appshunter.io/developer/6794758383) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-15-calculators/id1609183107)

This app offers a comprehensive suite of 15 calculators for everyday and scientific needs. Easily perform basic arithmetic, complex scientific functions, and specialized calculations like sales tax, age, and loan payments. It also includes a robust unit converter for various measurements.

**Highlights:** 15 specialized calculators, Scientific calculation functions, Unit converter for length, area, volume, and more, Sales tax, age, and tip calculators, Loan, savings, and fuel calculators, Health and GPA calculators, World time display

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### SecureSonic

[App page](https://appshunter.io/ios/app/securesonic/id6744837368)

This app offers robust multi-factor authentication for your digital accounts. It provides both online push notifications and offline codes for secure access, ensuring your accounts are protected with bank-level security.

**Highlights:** Multi-factor authentication, Online push notifications, Offline verification codes, Bank-level security, User-friendly interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator free?

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

### Is SecureSonic free?

SecureSonic is free to download, with no in-app purchases.

### Which has better reviews, Calculator or SecureSonic?

SecureSonic is rated higher. Calculator averages 4.3 out of 5 from 20 ratings, while SecureSonic averages 5.0 from 1 ratings.

### Do Calculator or SecureSonic have ads?

Calculator shows ads; SecureSonic does not.

### Which is updated more often, Calculator or SecureSonic?

Calculator ships an update every 3 months, and SecureSonic every 7 months. Most recently, Calculator was updated on October 24, 2026 and SecureSonic on October 24, 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.*