# Battery Calculator vs CrashMatrix Pro

The clearest difference is price: Battery Calculator at $2.99 against CrashMatrix Pro's $9.99. Battery Calculator also leads on iOS requirement (13.0 vs 15.1). CrashMatrix Pro's advantage is update cadence (every 4 days vs every 40 months). On ads, in-app purchases and device support there is nothing between them.

Battery Calculator costs $2.99 and CrashMatrix Pro $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Battery Calculator ships an update every 40 months, CrashMatrix Pro every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Battery Calculator | CrashMatrix Pro |
| --- | --- | --- |
| Price | **$2.99** | $9.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/crashmatrix-pro/id6759350438/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 4 days** |
| Monetization | Paid | — |
| Size | 1 MB | 38 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Brian Watson](https://appshunter.io/developer/1878233504) |

## What reviewers say

### Battery Calculator

[App page](https://appshunter.io/ios/app/battery-calculator/id1229567971)

Calculate estimated battery run time based on capacity and device consumption. Determine battery capacity from stored energy and voltage, and calculate required battery ratings based on load and duration.

**Highlights:** Battery life calculator, Battery capacity calculator, Battery size calculator, Estimate run time, Calculate battery capacity in Wh, Calculate required battery rating in Ah

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

**In-app purchases:** none


### CrashMatrix Pro

[App page](https://appshunter.io/ios/app/crashmatrix-pro/id6759350438)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Battery Calculator free?

Battery Calculator costs $2.99, with no in-app purchases.

### Is CrashMatrix Pro free?

CrashMatrix Pro costs $9.99, with no in-app purchases.

### Do Battery Calculator or CrashMatrix Pro have ads?

Neither Battery Calculator nor CrashMatrix Pro shows ads.

### Which is updated more often, Battery Calculator or CrashMatrix Pro?

Battery Calculator ships an update every 40 months, and CrashMatrix Pro every 4 days. Most recently, Battery Calculator was updated on October 24, 2026 and CrashMatrix Pro on October 24, 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.*