# Tolerance Master vs CNC Lathe Assistant

The clearest difference is price: Tolerance Master at Free against CNC Lathe Assistant's $3.99. CNC Lathe Assistant's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Tolerance Master is free to download; CNC Lathe Assistant costs $3.99 up front. Tolerance Master sells 1 in-app purchase, starting at $0.99 per month. CNC Lathe Assistant asks for nothing beyond the download.

## The numbers

| Metric | Tolerance Master | CNC Lathe Assistant |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | — | Paid |
| Size | 3 MB | 4 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [磊 高](https://appshunter.io/developer/1879509033) | [润强 何](https://appshunter.io/developer/1821337209) |

## What reviewers say

### Tolerance Master

[App page](https://appshunter.io/ios/app/tolerance-master/id6759722609)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $0.99 | per month |


### CNC Lathe Assistant

[App page](https://appshunter.io/ios/app/cnc-lathe-assistant/id6768186414)

This offline utility streamlines common lathe calculations for machinists and shop owners. It assists with threading, tapers, arcs, and grooves, providing conservative feed and speed recommendations and reference program skeletons. Users can save profiles, templates, and history for quick access to frequently used data.

**Highlights:** G76 and G92 threading assistance, Taper, arc, groove, chamfer, and coordinate calculations, Conservative feeds and speeds recommendations, Reference program skeletons, Pre-run risk checks, Local machine and tool profiles, Saved history and templates

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

**In-app purchases:** none


## Frequently asked questions

### Is Tolerance Master free?

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

### Is CNC Lathe Assistant free?

CNC Lathe Assistant costs $3.99, with no in-app purchases.

### Do Tolerance Master or CNC Lathe Assistant have ads?

Neither Tolerance Master nor CNC Lathe Assistant shows ads.

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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.*