# CNC Lathe Calculator & Program vs Thrrread Go

The clearest difference is review sentiment: Thrrread Go at 100% against CNC Lathe Calculator & Program's 40%. Thrrread Go also leads on update cadence (every 5 days vs every 10 days). CNC Lathe Calculator & Program's advantage is ads (none vs shown). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. CNC Lathe Calculator & Program sells 6 in-app purchases, starting at $3.99 per year and Thrrread Go sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

CNC Lathe Calculator & Program ships an update every 10 days, Thrrread Go every 5 days. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | CNC Lathe Calculator & Program | Thrrread Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cnc-lathe-calculator-and-program/id6758656996/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 23 MB | 39 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [小玲 王](https://appshunter.io/developer/1573722736) | [Tomoya Kajiwara](https://appshunter.io/developer/6795143711) |

## What reviewers say

### CNC Lathe Calculator & Program

[App page](https://appshunter.io/ios/app/cnc-lathe-calculator-and-program/id6758656996)

This tool assists CNC lathe operators and programmers by generating G-code and performing complex calculations. It offers various processing templates, thread calculations, and a wide range of engineering tools for efficient machining.

**Highlights:** G-code generation, Tangent point and arc calculations, Multiple processing templates, Thread and groove programming, Macro program conversion, Various engineering calculation tools, Favorites management

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CNCL Yearly Pro | $3.99 | per year |
| CNCL Lifetime Pro | $0.99 | one-time |
| CNCL Lifetime Pro | $1.99 | one-time |
| CNCL Lifetime Pro | $2.99 | one-time |
| CNCL Lifetime Pro | $3.99 | one-time |
| CNCL Lifetime Pro | $4.99 | one-time |


### Thrrread Go

[App page](https://appshunter.io/ios/app/thrrread-go-thread-and-bolt/id6796997797)

Identify fastener threads from photos and measurements. Access a comprehensive reference for tap-drill sizes, bolt dimensions, and more. Ideal for workshop, DIY, and machining tasks.

**Highlights:** Identify threads from photos and measurements, Access tap-drill sizes, Compare thread dimensions, Browse fastener head dimensions, Offline core functionality, Metric and inch thread support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Special Threads – No Ads | $5.99 | one-time |
| Referral Edition (With Ads) | $5.99 | one-time |


## Frequently asked questions

### Is CNC Lathe Calculator & Program free?

CNC Lathe Calculator & Program is free to download, with in-app purchases available.

### Is Thrrread Go free?

Thrrread Go is free to download, with in-app purchases available.

### Do CNC Lathe Calculator & Program or Thrrread Go have ads?

Thrrread Go shows ads; CNC Lathe Calculator & Program does not.

### Which is updated more often, CNC Lathe Calculator & Program or Thrrread Go?

CNC Lathe Calculator & Program ships an update every 10 days, and Thrrread Go every 5 days. Most recently, CNC Lathe Calculator & Program was updated on October 25, 2026 and Thrrread Go on October 16, 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.*