# NORTON iGRIND vs DM CNC Machine Tracker

The clearest difference is update cadence: NORTON iGRIND at monthly against DM CNC Machine Tracker's every 3 months. DM CNC Machine Tracker's advantage is iOS requirement (10.0 vs 14.0). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for NORTON iGRIND against 5.0 for DM CNC Machine Tracker. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

NORTON iGRIND ships an update monthly, DM CNC Machine Tracker every 3 months. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | NORTON iGRIND | DM CNC Machine Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/norton-igrind/id550147080/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/dm-cnc-machine-tracker/id1485969728/reviews) |
| Number of ratings | **5** | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Size | 20 MB | 11 MB |
| Requires iOS | 14.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Saint-Gobain](https://appshunter.io/developer/543924473) | [Glenda Camacho](https://appshunter.io/developer/1485969727) |

## What reviewers say

### NORTON iGRIND

[App page](https://appshunter.io/ios/app/norton-igrind/id550147080)

This app provides essential calculators and conversion tools for grinding processes. It helps users determine starting parameters for wheel truing, optimize coolant delivery, and convert wheel speeds for safe operation.

**Highlights:** Grinding wheel truing parameter calculator, Coolant delivery setup optimization, Wheel speed conversion (RPM, SFPM, M/Sec), Safe grinding operation tools, Expert-created calculations

**Features:** macOS Compatibility

**In-app purchases:** none


### DM CNC Machine Tracker

[App page](https://appshunter.io/ios/app/dm-cnc-machine-tracker/id1485969728)

Monitor the production status and event history of your DM CNC controlled machine tools. Receive instant push notifications for important machine events to maximize operational efficiency.

**Highlights:** Real-time machine status, Event history log, Push notifications for machine events, Supports Rottler Manufacturing CNC machines, Maximize production

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NORTON iGRIND free?

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

### Is DM CNC Machine Tracker free?

DM CNC Machine Tracker is free to download, with no in-app purchases.

### Which has better reviews, NORTON iGRIND or DM CNC Machine Tracker?

NORTON iGRIND and DM CNC Machine Tracker are both rated 5.0 out of 5 on the App Store, from 5 and 4 ratings respectively.

### Do NORTON iGRIND or DM CNC Machine Tracker have ads?

Neither NORTON iGRIND nor DM CNC Machine Tracker shows ads.

### Which is updated more often, NORTON iGRIND or DM CNC Machine Tracker?

NORTON iGRIND ships an update monthly, and DM CNC Machine Tracker every 3 months. Most recently, NORTON iGRIND was updated on October 14, 2026 and DM CNC Machine Tracker on October 3, 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.*