# iChecker vs Nellin controllers

The clearest difference is ads: Nellin controllers at none against iChecker's shown. Nellin controllers also leads on update cadence (daily vs every 11 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iChecker ships an update every 11 days, Nellin controllers daily. The most recent releases landed on October 1, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | iChecker | Nellin controllers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/ichecker-phone-diagnostics/id6759792908/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Daily** |
| Monetization | Free | — |
| Size | 30 MB | 38 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Jignesh Kikani](https://appshunter.io/developer/1815197910) | [Aleksandr Liashov](https://appshunter.io/developer/1881074623) |

## What reviewers say

### iChecker

[App page](https://appshunter.io/ios/app/ichecker-phone-diagnostics/id6759792908)

This app performs comprehensive hardware diagnostics on your iPhone, checking 39 critical components. It provides an overall health grade and detailed test results, helping you identify potential issues before they become costly repairs.  Generate shareable reports and monitor your device's health over time with routine checks.

**Highlights:** 39 forensic hardware tests, Instant overall health grade, Screen and display checks, Internal sensor diagnostics, Connectivity testing, Weekly diagnostic streak reminders, Shareable PDF reports

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

**In-app purchases:** none


### Nellin controllers

[App page](https://appshunter.io/ios/app/nellin-controllers/id6801412782)

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

**In-app purchases:** none


## Frequently asked questions

### Is iChecker free?

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

### Is Nellin controllers free?

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

### Do iChecker or Nellin controllers have ads?

iChecker shows ads; Nellin controllers does not.

### Which is updated more often, iChecker or Nellin controllers?

iChecker ships an update every 11 days, and Nellin controllers daily. Most recently, iChecker was updated on October 1, 2026 and Nellin controllers on October 12, 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.*