# Change Calculator vs 2FA Hub

The clearest difference is review sentiment: 2FA Hub at 100% against Change Calculator's 43%. 2FA Hub also leads on rating (5.0 vs 2.2) and update cadence (weekly vs every 32 months). Change Calculator's advantage is price (Free vs $3.99) and ratings volume (13 vs 1). On ads and in-app purchases there is nothing between them.

Change Calculator is free to download; 2FA Hub costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

2FA Hub holds the better App Store score, 5.0 against 2.2. That said, the two scores are not equally well evidenced: Change Calculator has 13 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 43% of Change Calculator's written reviews are positive against 100% of 2FA Hub's.

Change Calculator ships an update every 32 months, 2FA Hub weekly. Both last shipped on October 10, 2026.

## The numbers

| Metric | Change Calculator | 2FA Hub |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [2.2 (13 ratings)](https://appshunter.io/ios/app/change-calculator/id367338685/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/2fa-hub/id1538363570/reviews)** |
| Number of ratings | **13** | 1 |
| Positive reviews | 42.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 32 months | **Weekly** |
| Monetization | **Free** | Paid |
| Size | 1 MB | 36 MB |
| Requires iOS | 17.0 | **14.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Alain Stulz](https://appshunter.io/developer/899533224) | [Oleg Gryb](https://appshunter.io/developer/1538363572) |

## What reviewers say

### Change Calculator

[App page](https://appshunter.io/ios/app/change-calculator/id367338685)

Quickly calculate the correct change to give for any transaction. Ideal for cashiers, small businesses, or personal use to ensure accuracy at the point of sale.

**Highlights:** Calculate change in seconds, Enter total bill amount, Tap amount paid, Immediate change display, Useful for sales and businesses

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

**In-app purchases:** none


### 2FA Hub

[App page](https://appshunter.io/ios/app/2fa-hub/id1538363570)

Generate and transfer two-factor authentication (2FA) TOTP accounts to smartwatches. Once transferred, tokens can be generated directly from your watch, eliminating the need for your iPhone. Supports various smartwatch brands and offers secure account backups.

**Highlights:** 2FA TOTP account generation, Transfer 2FA accounts to smartwatches, Generate tokens directly from watch, Support for Apple, Fitbit, Samsung, WearOS watches, Local, iCloud, and Google Drive backups, Support for different crypto algorithms, Data protection via Key Chain API

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Change Calculator free?

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

### Is 2FA Hub free?

2FA Hub costs $3.99, with no in-app purchases.

### Which has better reviews, Change Calculator or 2FA Hub?

2FA Hub is rated higher. Change Calculator averages 2.2 out of 5 from 13 ratings, while 2FA Hub averages 5.0 from 1 ratings.

### Do Change Calculator or 2FA Hub have ads?

Neither Change Calculator nor 2FA Hub shows ads.

### Which is updated more often, Change Calculator or 2FA Hub?

Change Calculator ships an update every 32 months, and 2FA Hub weekly. Most recently, Change Calculator was updated on October 10, 2026 and 2FA Hub on October 10, 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.*