# Authenticator・2FA・OTP App vs Card Centering Calculator

The clearest difference is ads: Authenticator・2FA・OTP App at none against Card Centering Calculator's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Authenticator・2FA・OTP App sells 2 in-app purchases, starting at $5.99 per 7 days and Card Centering Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Authenticator・2FA・OTP App | Card Centering Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/card-centering-calculator-ccq/id6782828397/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 5 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 19 MB | 16 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Zoran Pavlovic](https://appshunter.io/developer/1874610853) | [Pista Devi](https://appshunter.io/developer/1880591505) |

## What reviewers say

### Authenticator・2FA・OTP App

[App page](https://appshunter.io/ios/app/authenticator2faotp-app/id6758726968)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator・2FA・OTP・TOTP | $5.99 | per 7 days |
| Authenticator・2FA・OTP App | $5.99 | per 7 days |


### Card Centering Calculator

[App page](https://appshunter.io/ios/app/card-centering-calculator-ccq/id6782828397)

This tool helps trading card collectors measure card centering percentages for both front and back. It allows for manual adjustments and comparison against major grading standards, saving and sharing results.

**Highlights:** Measure card centering percentages, Manual edge and rotation adjustments, Compare against PSA, BGS, CGC, SGC, TAG standards, Browse official grading requirements, Save and revisit centering analyses, Export and share measurement results, Analyze both front and back of cards

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CCQ Pro - Lifetime | $6.99 | one-time |


## Frequently asked questions

### Is Authenticator・2FA・OTP App free?

Authenticator・2FA・OTP App is free to download, with in-app purchases available.

### Is Card Centering Calculator free?

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

### Do Authenticator・2FA・OTP App or Card Centering Calculator have ads?

Card Centering Calculator shows ads; Authenticator・2FA・OTP App does not.

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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.*