# Authenticator・ vs Seller Calculator for eBay

The clearest difference is in-app purchases: Authenticator・ at none against Seller Calculator for eBay's 5. Authenticator・ also leads on iOS requirement (16.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Seller Calculator for eBay sells 5 one-off in-app purchases. Authenticator・ asks for nothing beyond the download.

Authenticator・ ships an update every 2 weeks, Seller Calculator for eBay weekly. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Authenticator・ | Seller Calculator for eBay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (6 ratings)](https://appshunter.io/ios/app/authenticator/id6462883539/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 75 MB | 9 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Techgear Inc](https://appshunter.io/developer/524933495) | [Juan Carlos Munoz](https://appshunter.io/developer/6811511794) |

## What reviewers say

### Authenticator・

[App page](https://appshunter.io/ios/app/authenticator/id6462883539)

This app provides a secure all-in-one solution for managing your digital life. It combines two-factor authentication, a password manager, a private browser, and an ad blocker to enhance your online security and privacy.

**Highlights:** Two-factor authentication code generation, Secure password vault with auto-fill, Private browsing without history or tracking, Ad blocking for faster loading and privacy, Cross-device synchronization, Secure backup and restore for 2FA data

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


### Seller Calculator for eBay

[App page](https://appshunter.io/ios/app/seller-calculator-for-ebay/id6812955011)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Items | $1.99 | one-time |
| iCloud Sync | $1.99 | one-time |
| Home Screen Widgets | $1.99 | one-time |
| Apple Intelligence | $1.99 | one-time |
| Everything | $2.99 | one-time |


## Frequently asked questions

### Is Authenticator・ free?

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

### Is Seller Calculator for eBay free?

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

### Do Authenticator・ or Seller Calculator for eBay have ads?

Neither Authenticator・ nor Seller Calculator for eBay shows ads.

### Which is updated more often, Authenticator・ or Seller Calculator for eBay?

Authenticator・ ships an update every 2 weeks, and Seller Calculator for eBay weekly. Most recently, Authenticator・ was updated on October 24, 2026 and Seller Calculator for eBay on October 29, 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.*