# Thread Calculators vs Last Sold

The clearest difference is price: Last Sold at Free against Thread Calculators's $1.99. Last Sold also leads on update cadence (fortnightly vs every 10 months). Thread Calculators's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 15.0). On ads and device support there is nothing between them.

Last Sold is free to download; Thread Calculators costs $1.99 up front. Last Sold sells 1 one-off in-app purchase. Thread Calculators asks for nothing beyond the download.

Thread Calculators ships an update every 10 months, Last Sold fortnightly. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Thread Calculators | Last Sold |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/thread-calculators/id1670586227/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 51 MB | 39 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) | [Tommes Parzl](https://appshunter.io/developer/1890742549) |

## What reviewers say

### Thread Calculators

[App page](https://appshunter.io/ios/app/thread-calculators/id1670586227)

This app provides precise thread-cutting data for various international standards. It assists machinists, engineers, and CNC professionals in quickly finding essential measurements and detailed tables for thread dimensions and cutting values.

**Highlights:** Supports international thread standards (M, UNC, NPT, etc.), Tap Hole Size Calculator, Bolt Diameter Guide, Tap Hole Forming Data, Tap Hole Repair Values, Detailed thread dimension tables

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

**In-app purchases:** none


### Last Sold

[App page](https://appshunter.io/ios/app/last-sold/id6761668336)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | one-time |


## Frequently asked questions

### Is Thread Calculators free?

Thread Calculators costs $1.99, with no in-app purchases.

### Is Last Sold free?

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

### Do Thread Calculators or Last Sold have ads?

Neither Thread Calculators nor Last Sold shows ads.

### Which is updated more often, Thread Calculators or Last Sold?

Thread Calculators ships an update every 10 months, and Last Sold fortnightly. Most recently, Thread Calculators was updated on October 8, 2026 and Last Sold 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.*