# ResiCalc vs engineer toolbox

The clearest difference is in-app purchases: ResiCalc at none against engineer toolbox's 2. engineer toolbox's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price and ads there is nothing between them.

Both are free to download. engineer toolbox sells 2 in-app purchases, starting at $0.99 per month. ResiCalc asks for nothing beyond the download.

## The numbers

| Metric | ResiCalc | engineer toolbox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Size | 4 MB | 35 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [光浩 李](https://appshunter.io/developer/1576352133) | [程彬 吕](https://appshunter.io/developer/1879737471) |

## What reviewers say

### ResiCalc

[App page](https://appshunter.io/ios/app/resicalc-resistor-networks/id6757947341)

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

**In-app purchases:** none


### engineer toolbox

[App page](https://appshunter.io/ios/app/engineer-toolbox/id6759856213)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包月价格 | $0.99 | per month |
| 包年价格 | $5.99 | per year |


## Frequently asked questions

### Is ResiCalc free?

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

### Is engineer toolbox free?

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

### Do ResiCalc or engineer toolbox have ads?

Neither ResiCalc nor engineer toolbox shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*