Comparison

Basic Calculator vs Navidoc Authentication

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Basic Calculator

A free, classic calculator app with large, easy-to-press buttons and customizable skins. It supports basic arithmetic, memory functions, and can handle very large numbers without using scientific notation. Multitasking is also supported on compatible devices.

Highlights
  • Large, easy-to-press buttons
  • Multiple beautiful skins
  • Basic arithmetic operations
  • Standard memory functions
  • Supports large numbers (up to 60 digits)
  • Multitasking support (Split View, Slide Over)
Read full description

Calculator Free is a great free calculator with beautiful HD graphics and multiple skins! Features: - Supports multitasking on iPad devices - Split View and Slide Over features - Multiple beautiful skins - General calculations: adding, subtracting, multiplying, dividing, square-rooting - Standard memory functions: Memory Addition, Memory Subtraction, Memory Recall, Memory Clear - Thousands separators option - Can handle very large numbers - up to 60 digits! (never displays in scientific notation) - Large, easy to press buttons - Copy / Paste buttons - Key click sound effect The user interface is translated in the following languages: English, Spanish, French, Italian, German, Portuguese, Russian, Japanese, Chinese (simplified and traditional), Dutch, Norwegian, Danish, Korean, Turkish, Indonesian, Finnish, Swedish, Greek, Polish, Czech, Hungarian, Slovak, Bulgarian. Privacy Policy: https://calculator-app-free.com/privacy-policy/ Terms of Use: https://calculator-app-free.com/terms-of-use/

About

Navidoc Authentication

Features
Read full description

This app provides secure two-factor authentication to enhance user account security. Use it to generate verification codes and protect your account with an additional layer of security.

Screenshots

Basic Calculator4 screens
Navidoc Authentication4 screens

Verdict

The call

The clearest difference is in-app purchases: Navidoc Authentication at none against Basic Calculator's 1. Navidoc Authentication also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Basic Calculator ships an update every 2 months, Navidoc Authentication every 3 weeks. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 7 level
Basic Calculator versus Navidoc Authentication: the parameters behind the verdict, then further details
ParameterBasic CalculatorNavidoc Authentication
PriceFreeFree
Rating4.8 (3.2K ratings) — better—
Positive reviews74.3% of reviews—
Number of ratings3.2K — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size100 MB27 MB
Age rating+44+
DeveloperMobArtsNavidoc

Bugs and requests

Basic Calculator

Reported bugs

2 issues
  • Crashes or freezes after iOS updates
  • Percent key not functioning correctly

Requested features

3 requests
  • Reinstate iPhone version
  • Add scientific calculator functions
  • Improve memory retention

Navidoc Authentication

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Basic Calculator

One-time1
  • Banner Ad Removal$0.99
None

Navidoc Authentication

No in-app purchases

Questions

Is Basic Calculator free?
Basic Calculator is free to download, with in-app purchases available.
Is Navidoc Authentication free?
Navidoc Authentication is free to download, with no in-app purchases.
Do Basic Calculator or Navidoc Authentication have ads?
Basic Calculator shows ads; Navidoc Authentication does not.
Which is updated more often, Basic Calculator or Navidoc Authentication?
Basic Calculator ships an update every 2 months, and Navidoc Authentication every 3 weeks. Most recently, Basic Calculator was updated on October 15, 2026 and Navidoc Authentication on October 4, 2026.

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