# MAXON PumpCalc vs ProPump Calc

The clearest difference is in-app purchases: MAXON PumpCalc at none against ProPump Calc's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ProPump Calc sells 2 in-app purchases, starting at $8.99 per month. MAXON PumpCalc asks for nothing beyond the download.

MAXON PumpCalc ships an update every 10 days, ProPump Calc every 3 weeks. The most recent releases landed on September 7, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | MAXON PumpCalc | ProPump Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 33 MB | 54 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PT MAXON PRIME TECHNOLOGY](https://appshunter.io/developer/1828356764) | [Brandon Wright](https://appshunter.io/developer/1828458254) |

## What reviewers say

### MAXON PumpCalc

[App page](https://appshunter.io/ios/app/maxon-pumpcalc/id6748975011)

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

**In-app purchases:** none


### ProPump Calc

[App page](https://appshunter.io/ios/app/propump-calc-qf/id6759294021)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ProPump Monthly Subscription | $8.99 | per month |
| ProPump Yearly Subscription | $89.99 | per year |


## Frequently asked questions

### Is MAXON PumpCalc free?

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

### Is ProPump Calc free?

ProPump Calc is free to download, with in-app purchases available.

### Do MAXON PumpCalc or ProPump Calc have ads?

Neither MAXON PumpCalc nor ProPump Calc shows ads.

### Which is updated more often, MAXON PumpCalc or ProPump Calc?

MAXON PumpCalc ships an update every 10 days, and ProPump Calc every 3 weeks. Most recently, MAXON PumpCalc was updated on September 7, 2026 and ProPump Calc on September 9, 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.*