# Scientific++ vs Secpaas Fido Authenticator

The clearest difference is price: Secpaas Fido Authenticator at Free against Scientific++'s $0.99. Secpaas Fido Authenticator also leads on iOS requirement (11.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Secpaas Fido Authenticator is free to download; Scientific++ costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Scientific++ | Secpaas Fido Authenticator |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (61 ratings)](https://appshunter.io/ios/app/scientific-plus-plus/id468657943/reviews)** | — |
| Number of ratings | **61** | — |
| Positive reviews | 89.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 42 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dogahe](https://appshunter.io/developer/468657946) | [PingHsien Chi](https://appshunter.io/developer/1690100353) |

## What reviewers say

### Scientific++

[App page](https://appshunter.io/ios/app/scientific-plus-plus/id468657943)

This app is a powerful scientific calculator with advanced features like fraction manipulation, angle conversions, and equation solvers. It also includes a dice roller and a handy backspace function for easy editing. Additional geometry calculators are available via in-app purchase.

**Highlights:** Expression history and input display, Fraction manipulation and conversion, Degrees, minutes, seconds angle conversion, Permutation, combination, LCM, GCD, prime factorization, Quadratic and linear equation solver, Coordinate conversion (rectangular/polar), Physical constants list, Dice roller

**Features:** Vision Pro support

**In-app purchases:** none


### Secpaas Fido Authenticator

[App page](https://appshunter.io/ios/app/secpaas-fido-authenticator/id6449688015)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Scientific++ free?

Scientific++ costs $0.99, with no in-app purchases.

### Is Secpaas Fido Authenticator free?

Secpaas Fido Authenticator is free to download, with no in-app purchases.

### Do Scientific++ or Secpaas Fido Authenticator have ads?

Neither Scientific++ nor Secpaas Fido Authenticator shows ads.

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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.*