# Change Calculator vs AQUAVIE

The clearest difference is in-app purchases: AQUAVIE at none against Change Calculator's 1. AQUAVIE also leads on update cadence (every 2 weeks vs every 32 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Change Calculator ships an update every 32 months, AQUAVIE every 2 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Change Calculator | AQUAVIE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (15 ratings)](https://appshunter.io/ios/app/change-calculator/id367338685/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 1 MB | 14 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alain Stulz](https://appshunter.io/developer/899533224) | [Ming Zhang](https://appshunter.io/developer/1829597017) |

## 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 (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Change Pro | $1.99 | one-time |


### AQUAVIE

[App page](https://appshunter.io/ios/app/aquavie/id6756384930)

**In-app purchases:** none


## Frequently asked questions

### Is Change Calculator free?

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

### Is AQUAVIE free?

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

### Do Change Calculator or AQUAVIE have ads?

Neither Change Calculator nor AQUAVIE shows ads.

### Which is updated more often, Change Calculator or AQUAVIE?

Change Calculator ships an update every 32 months, and AQUAVIE every 2 weeks. Most recently, Change Calculator was updated on November 4, 2026 and AQUAVIE on October 30, 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.*