# Tap & Drill Size Reference vs Tap & Drill Pro

The clearest difference is price: Tap & Drill Size Reference at $0.99 against Tap & Drill Pro's $2.99. Tap & Drill Pro's advantage is iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Tap & Drill Size Reference costs $0.99 and Tap & Drill Pro $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Tap & Drill Size Reference | Tap & Drill Pro |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Size | 1 MB | 22 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Sheyuan Network Technology Co., Ltd.](https://appshunter.io/developer/1560626858) | [Shraddhaben Parmar](https://appshunter.io/developer/1889769325) |

## What reviewers say

### 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


### Tap & Drill Pro

[App page](https://appshunter.io/ios/app/tap-and-drill-pro/id6764534603)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tap & Drill Size Reference free?

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

### Is Tap & Drill Pro free?

Tap & Drill Pro costs $2.99, with no in-app purchases.

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

Neither Tap & Drill Size Reference nor Tap & Drill Pro 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.*