# CalcuLuz vs iDOCTOR

The clearest difference is in-app purchases: CalcuLuz at none against iDOCTOR's 1. CalcuLuz also leads on iOS requirement (9.2 vs 15.6). iDOCTOR's advantage is update cadence (monthly vs every 2 months). On price, ads and device support there is nothing between them.

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

CalcuLuz ships an update every 2 months, iDOCTOR monthly. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CalcuLuz | iDOCTOR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (19 ratings)](https://appshunter.io/ios/app/idoctor-hardware-test/id6746433118/reviews)** |
| Number of ratings | — | **19** |
| Positive reviews | — | 88.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 15 MB | 15 MB |
| Requires iOS | **9.2** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Roberto Frias](https://appshunter.io/developer/934054667) | [Rodrigo Belloso](https://appshunter.io/developer/1361382340) |

## What reviewers say

### CalcuLuz

[App page](https://appshunter.io/ios/app/calculuz/id1146700985)

**In-app purchases:** none


### iDOCTOR

[App page](https://appshunter.io/ios/app/idoctor-hardware-test/id6746433118)

Get a comprehensive overview of your iPhone or iPad's hardware and system specifications. This app provides detailed information on CPU, memory, storage, display, battery, and security features without requiring logins or unnecessary permissions.

**Highlights:** System overview, CPU and performance details, Memory and storage information, Screen and display specs, Battery and power status, Security and accessibility features

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iDoctor Pro | $4.99 | one-time |


## Frequently asked questions

### Is CalcuLuz free?

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

### Is iDOCTOR free?

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

### Do CalcuLuz or iDOCTOR have ads?

Neither CalcuLuz nor iDOCTOR shows ads.

### Which is updated more often, CalcuLuz or iDOCTOR?

CalcuLuz ships an update every 2 months, and iDOCTOR monthly. Most recently, CalcuLuz was updated on October 14, 2026 and iDOCTOR 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.*