# Ton Miles Calculator vs Drillstring Toolbox Premium

The clearest difference is price: Ton Miles Calculator at $19.99 against Drillstring Toolbox Premium's $24.99. Ton Miles Calculator also leads on chart position (#193 vs unranked). On update cadence, ads, in-app purchases and device support there is nothing between them.

Ton Miles Calculator costs $19.99 and Drillstring Toolbox Premium $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ton Miles Calculator ships an update every 14 months, Drillstring Toolbox Premium every 24 months. The most recent releases landed on September 15, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Ton Miles Calculator | Drillstring Toolbox Premium |
| --- | --- | --- |
| Price | **$19.99** | $24.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 14 months** | Every 24 months |
| Best chart rank | **#193** | — |
| Size | 9 MB | 1 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carlos Moura](https://appshunter.io/developer/407501202) | [Bureau Veritas North America, Inc.](https://appshunter.io/developer/1770295442) |

## What reviewers say

### Ton Miles Calculator

[App page](https://appshunter.io/ios/app/ton-miles-calculator/id965020659)

**Currently charting:** #193 Top Paid · Utilities (US App Store)

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

**In-app purchases:** none


### Drillstring Toolbox Premium

[App page](https://appshunter.io/ios/app/drillstring-toolbox-premium/id1222651738)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ton Miles Calculator free?

Ton Miles Calculator costs $19.99, with no in-app purchases.

### Is Drillstring Toolbox Premium free?

Drillstring Toolbox Premium costs $24.99, with no in-app purchases.

### Do Ton Miles Calculator or Drillstring Toolbox Premium have ads?

Neither Ton Miles Calculator nor Drillstring Toolbox Premium shows ads.

### Which is updated more often, Ton Miles Calculator or Drillstring Toolbox Premium?

Ton Miles Calculator ships an update every 14 months, and Drillstring Toolbox Premium every 24 months. Most recently, Ton Miles Calculator was updated on September 15, 2026 and Drillstring Toolbox Premium on September 20, 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.*