# Thermo vs Tap & Drill Size Reference

The clearest difference is price: Thermo at Free against Tap & Drill Size Reference's $0.99. Thermo also leads on iOS requirement (9.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Thermo is free to download; Tap & Drill Size Reference costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Thermo | Tap & Drill Size Reference |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Size | 3 MB | 1 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Software Shop](https://appshunter.io/developer/1288503758) | [Shanghai Sheyuan Network Technology Co., Ltd.](https://appshunter.io/developer/1560626858) |

## What reviewers say

### Thermo

[App page](https://appshunter.io/ios/app/thermo-couple/id1504024561)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tap & Drill Size Reference

[App page](https://appshunter.io/ios/app/tap-and-drill-size-reference/id6761641150)

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

**In-app purchases:** none


## Frequently asked questions

### Is Thermo free?

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

### Is Tap & Drill Size Reference free?

Tap & Drill Size Reference costs $0.99, with no in-app purchases.

### Do Thermo or Tap & Drill Size Reference have ads?

Neither Thermo nor Tap & Drill Size Reference 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.*