# NGK|NTK vs Auto Experts

NGK|NTK and Auto Experts are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

NGK|NTK ships an update every 5 weeks, Auto Experts every 6 weeks. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | NGK|NTK | Auto Experts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/ngkntk-catalogo/id1467790252/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Ad-supported | — |
| Size | 77 MB | 66 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Ceramica e Velas de Ignicao NGK do Brasil Ltda](https://appshunter.io/developer/1467790251) | [Randoncorp S.A.](https://appshunter.io/developer/721797675) |

## What reviewers say

### NGK|NTK

[App page](https://appshunter.io/ios/app/ngkntk-catalogo/id1467790252)

This electronic catalog helps automotive repair professionals and customers quickly find NGK ignition and sensor parts. It provides detailed information on spark plugs, ignition cables, ignition coils, and oxygen sensors, searchable by product code, manufacturer, or vehicle model.

**Highlights:** Complete line of ignition and sensor parts, Information by product code, Search by vehicle manufacturer, Search by vehicle model, Detailed item information

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

**In-app purchases:** none


### Auto Experts

[App page](https://appshunter.io/ios/app/auto-experts/id6476934940)

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

**In-app purchases:** none


## Frequently asked questions

### Is NGK|NTK free?

NGK|NTK is free to download, with no in-app purchases.

### Is Auto Experts free?

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

### Do NGK|NTK or Auto Experts have ads?

Neither NGK|NTK nor Auto Experts shows ads.

### Which is updated more often, NGK|NTK or Auto Experts?

NGK|NTK ships an update every 5 weeks, and Auto Experts every 6 weeks. Most recently, NGK|NTK was updated on October 24, 2026 and Auto Experts on October 29, 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.*