# Taper Angle Calculator vs ThreadChaser

The clearest difference is price: ThreadChaser at Free against Taper Angle Calculator's $4.99. ThreadChaser also leads on update cadence (every 5 days vs every 49 months). Taper Angle Calculator's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 18.6). On ads and device support there is nothing between them.

ThreadChaser is free to download; Taper Angle Calculator costs $4.99 up front. ThreadChaser sells 1 in-app purchase, starting at $2.99 per year. Taper Angle Calculator asks for nothing beyond the download.

Taper Angle Calculator ships an update every 49 months, ThreadChaser every 5 days. The most recent releases landed on September 18, 2026 and June 28, 2026 respectively.

## The numbers

| Metric | Taper Angle Calculator | ThreadChaser |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[2.3 (6 ratings)](https://appshunter.io/ios/app/taper-angle-calculator/id1374858850/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 49 months | **Every 5 days** |
| Monetization | Paid | — |
| Size | 20 MB | 2 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) | [JAMIE SAM PARTOVI](https://appshunter.io/developer/1891387720) |

## What reviewers say

### Taper Angle Calculator

[App page](https://appshunter.io/ios/app/taper-angle-calculator/id1374858850)

This utility app simplifies taper angle calculations for professionals and students. It offers quick, accurate results with support for both metric and imperial units, and saves your calculation history.

**Highlights:** Quick taper angle computation, User-friendly interface, Accurate results, Metric and imperial unit support, Calculation history saving, Ideal for engineers and machinists

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

**In-app purchases:** none


### ThreadChaser

[App page](https://appshunter.io/ios/app/threadchaser/id6761772249)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ThreadChaser Pro | $2.99 | per year |


## Frequently asked questions

### Is Taper Angle Calculator free?

Taper Angle Calculator costs $4.99, with no in-app purchases.

### Is ThreadChaser free?

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

### Do Taper Angle Calculator or ThreadChaser have ads?

Neither Taper Angle Calculator nor ThreadChaser shows ads.

### Which is updated more often, Taper Angle Calculator or ThreadChaser?

Taper Angle Calculator ships an update every 49 months, and ThreadChaser every 5 days. Most recently, Taper Angle Calculator was updated on September 18, 2026 and ThreadChaser on June 28, 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.*