# Taper Formulas & Tools vs Calculate CNC

The clearest difference is update cadence: Calculate CNC at every 5 days against Taper Formulas & Tools's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Taper Formulas & Tools sells 1 one-off in-app purchase and Calculate CNC sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Taper Formulas & Tools ships an update every 9 months, Calculate CNC every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Taper Formulas & Tools | Calculate CNC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/taper-formulas-and-tools/id6755769356/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 6 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nanjibhai Gorasiya](https://appshunter.io/developer/1834066312) | [JEFFREY KYLE THOMPSON](https://appshunter.io/developer/6777596386) |

## What reviewers say

### Taper Formulas & Tools

[App page](https://appshunter.io/ios/app/taper-formulas-and-tools/id6755769356)

This app provides essential machining calculators for taper turning, lathe operations, and angle measurements. It simplifies complex calculations for machinists, engineers, and students, ensuring precision in every task. Supports both metric and imperial units.

**Highlights:** Taper angle calculator, Diameter calculations, Length and ratio tools, Angle calculator, Metric/imperial support, Formula references

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $9.99 | one-time |


### Calculate CNC

[App page](https://appshunter.io/ios/app/calculate-cnc-lathe-g-code/id6782482754)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |


## Frequently asked questions

### Is Taper Formulas & Tools free?

Taper Formulas & Tools is free to download, with in-app purchases available.

### Is Calculate CNC free?

Calculate CNC is free to download, with in-app purchases available.

### Do Taper Formulas & Tools or Calculate CNC have ads?

Neither Taper Formulas & Tools nor Calculate CNC shows ads.

### Which is updated more often, Taper Formulas & Tools or Calculate CNC?

Taper Formulas & Tools ships an update every 9 months, and Calculate CNC every 5 days. Most recently, Taper Formulas & Tools was updated on October 24, 2026 and Calculate CNC on October 25, 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.*