# Drill Bit Converter vs BeltTune

The clearest difference is update cadence: BeltTune at every 7 months against Drill Bit Converter's every 54 months. Drill Bit Converter's advantage is price ($0.99 vs $4.99) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Drill Bit Converter costs $0.99 and BeltTune $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Drill Bit Converter ships an update every 54 months, BeltTune every 7 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Drill Bit Converter | BeltTune |
| --- | --- | --- |
| Price | **$0.99** | $4.99 |
| Rating | — | **[3.5 (2 ratings)](https://appshunter.io/ios/app/belttune/id6739983384/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 54 months | **Every 7 months** |
| Monetization | — | Paid |
| Size | 2 MB | 4 MB |
| Requires iOS | **13.0** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dohmann Engineering Services](https://appshunter.io/developer/401682475) | [Justin Oakes](https://appshunter.io/developer/981204152) |

## What reviewers say

### Drill Bit Converter

[App page](https://appshunter.io/ios/app/drill-bit-converter/id1552080952)

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

**In-app purchases:** none


### BeltTune

[App page](https://appshunter.io/ios/app/belttune/id6739983384)

This utility app uses your phone's microphone to measure belt tension by analyzing audio frequencies. It provides instant measurements, supports multiple belt segments, and averages results for accuracy. Ideal for professionals and enthusiasts needing precise belt installations.

**Highlights:** Instant frequency measurement, Real-time audio analysis, Multiple belt segment support, Automatic frequency averaging, Intuitive workshop interface, No external hardware needed

**In-app purchases:** none


## Frequently asked questions

### Is Drill Bit Converter free?

Drill Bit Converter costs $0.99, with no in-app purchases.

### Is BeltTune free?

BeltTune costs $4.99, with no in-app purchases.

### Do Drill Bit Converter or BeltTune have ads?

Neither Drill Bit Converter nor BeltTune shows ads.

### Which is updated more often, Drill Bit Converter or BeltTune?

Drill Bit Converter ships an update every 54 months, and BeltTune every 7 months. Most recently, Drill Bit Converter was updated on October 25, 2026 and BeltTune on October 24, 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.*