# chargering vs FixCalc

The clearest difference is in-app purchases: chargering at none against FixCalc's 1. FixCalc's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. FixCalc sells 1 one-off in-app purchase. chargering asks for nothing beyond the download.

chargering ships an update every 2 months, FixCalc weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | chargering | FixCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 73 MB | 15 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [园园 周](https://appshunter.io/developer/1877558287) | [Dmitry Alaev](https://appshunter.io/developer/502956595) |

## What reviewers say

### chargering

[App page](https://appshunter.io/ios/app/chargering/id6761324940)

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

**In-app purchases:** none


### FixCalc

[App page](https://appshunter.io/ios/app/fixcalc-material-calculator/id6778463977)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FixCalc Pro Lifetime | $7.99 | one-time |


## Frequently asked questions

### Is chargering free?

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

### Is FixCalc free?

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

### Do chargering or FixCalc have ads?

Neither chargering nor FixCalc shows ads.

### Which is updated more often, chargering or FixCalc?

chargering ships an update every 2 months, and FixCalc weekly. Most recently, chargering was updated on October 25, 2026 and FixCalc on October 25, 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.*