# Taper Formulas & Tools vs Proliner V

The clearest difference is in-app purchases: Proliner V at none against Taper Formulas & Tools's 1. Taper Formulas & Tools's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 18.0). On price and ads there is nothing between them.

Both are free to download. Taper Formulas & Tools sells 1 one-off in-app purchase. Proliner V asks for nothing beyond the download.

## The numbers

| Metric | Taper Formulas & Tools | Proliner V |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 2 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nanjibhai Gorasiya](https://appshunter.io/developer/1834066312) | [Prodim International BV](https://appshunter.io/developer/6777052789) |

## 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 |


### Proliner V

[App page](https://appshunter.io/ios/app/proliner-v-app/id6777052637)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Taper Formulas & Tools free?

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

### Is Proliner V free?

Proliner V is free to download, with no in-app purchases.

### Do Taper Formulas & Tools or Proliner V have ads?

Neither Taper Formulas & Tools nor Proliner V 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.*