# nControl vs Under The Hood

The clearest difference is in-app purchases: nControl at none against Under The Hood's 2. nControl also leads on ratings volume (3 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Under The Hood sells 2 in-app purchases, starting at $19.99 per year. nControl asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for nControl against 5.0 for Under The Hood. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

nControl ships an update weekly, Under The Hood every 5 days. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | nControl | Under The Hood |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/ncontrol/id6480476991/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/under-the-hood/id6781524500/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 32 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Cardinal Scale manufacturing company](https://appshunter.io/developer/661826679) | [Robin Spagna](https://appshunter.io/developer/6775982767) |

## What reviewers say

### nControl

[App page](https://appshunter.io/ios/app/ncontrol/id6480476991)

This application enables users to connect to and send commands to specific display devices via Bluetooth. It facilitates remote control of SB600 display units from Cardinal Scales.

**Highlights:** Bluetooth connectivity, Send commands to SB600 display, Control Cardinal Scales devices, Remote device management

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

**In-app purchases:** none


### Under The Hood

[App page](https://appshunter.io/ios/app/under-the-hood/id6781524500)

This app uses AI to instantly translate complex vehicle service documents into plain English. It breaks down each line item, identifies urgent repairs, and compares labor rates to your local area. It also helps diagnose warning lights and provides negotiation guidance.

**Highlights:** AI-powered service document translation, Plain-English explanation of repairs, Urgency classification for repairs, Labor rate comparison by region, Warning light and OBD-II code diagnosis, Negotiation guidance

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Unlimited | $19.99 | per year |
| Single Scan | $2.99 | one-time |


## Frequently asked questions

### Is nControl free?

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

### Is Under The Hood free?

Under The Hood is free to download, with in-app purchases available.

### Which has better reviews, nControl or Under The Hood?

nControl and Under The Hood are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do nControl or Under The Hood have ads?

Neither nControl nor Under The Hood shows ads.

### Which is updated more often, nControl or Under The Hood?

nControl ships an update weekly, and Under The Hood every 5 days. Most recently, nControl was updated on October 24, 2026 and Under The Hood on October 11, 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.*