# Taper Formulas & Tools vs Triangle Calculator

The clearest difference is rating: Taper Formulas & Tools at 4.0 against Triangle Calculator's 3.7. Triangle Calculator's advantage is update cadence (every 4 months vs every 9 months) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Taper Formulas & Tools sells 1 one-off in-app purchase and Triangle Calculator sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Taper Formulas & Tools holds the better App Store score, 4.0 against 3.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Taper Formulas & Tools ships an update every 9 months, Triangle Calculator every 4 months. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Taper Formulas & Tools | Triangle Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/taper-formulas-and-tools/id6755769356/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/triangle-calculator-solver/id6757908425/reviews) |
| Number of ratings | 1 | **3** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 months** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 33 MB | 15 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nanjibhai Gorasiya](https://appshunter.io/developer/1834066312) | [Vaghani Keyur](https://appshunter.io/developer/1164464860) |

## 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 |


### Triangle Calculator

[App page](https://appshunter.io/ios/app/triangle-calculator-solver/id6757908425)

This geometry tool simplifies trigonometry and triangle calculations. It provides quick and accurate results for various measurements, including angles, sides, area, and advanced geometric properties. Ideal for students, professionals, and anyone needing precise calculations.

**Highlights:** Triangle angle calculation, Side length and hypotenuse calculation, Area and perimeter calculation, Advanced geometry calculations, User-friendly interface, Accurate results

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |
| Yearly Premium | $2.99 | per year |


## Frequently asked questions

### Is Taper Formulas & Tools free?

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

### Is Triangle Calculator free?

Triangle Calculator is free to download, with in-app purchases available.

### Which has better reviews, Taper Formulas & Tools or Triangle Calculator?

Taper Formulas & Tools is rated higher. Taper Formulas & Tools averages 4.0 out of 5 from 1 ratings, while Triangle Calculator averages 3.7 from 3 ratings.

### Do Taper Formulas & Tools or Triangle Calculator have ads?

Neither Taper Formulas & Tools nor Triangle Calculator shows ads.

### Which is updated more often, Taper Formulas & Tools or Triangle Calculator?

Taper Formulas & Tools ships an update every 9 months, and Triangle Calculator every 4 months. Most recently, Taper Formulas & Tools was updated on October 3, 2026 and Triangle Calculator on October 7, 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.*