# DIY Sizer vs Screw Size Drill Bit Chart

The clearest difference is in-app purchases: DIY Sizer at none against Screw Size Drill Bit Chart's 3. DIY Sizer also leads on update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Screw Size Drill Bit Chart sells 3 in-app purchases, starting at $2.99 per 7 days. DIY Sizer asks for nothing beyond the download.

DIY Sizer ships an update every 2 weeks, Screw Size Drill Bit Chart monthly. The most recent releases landed on September 20, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | DIY Sizer | Screw Size Drill Bit Chart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 8 MB | 23 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SANWA Inc.](https://appshunter.io/developer/1878028373) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### DIY Sizer

[App page](https://appshunter.io/ios/app/diy-sizer/id6760861011)

**Features:** macOS Compatibility

**In-app purchases:** none


### Screw Size Drill Bit Chart

[App page](https://appshunter.io/ios/app/screw-size-drill-bit-chart/id6772276125)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Countersink Pro, Weekly | $2.99 | per 7 days |
| Thread Finder, Yearly | $14.99 | per year |
| Full Fastener Guide, One-Time | $29.99 | one-time |


## Frequently asked questions

### Is DIY Sizer free?

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

### Is Screw Size Drill Bit Chart free?

Screw Size Drill Bit Chart is free to download, with in-app purchases available.

### Do DIY Sizer or Screw Size Drill Bit Chart have ads?

Neither DIY Sizer nor Screw Size Drill Bit Chart shows ads.

### Which is updated more often, DIY Sizer or Screw Size Drill Bit Chart?

DIY Sizer ships an update every 2 weeks, and Screw Size Drill Bit Chart monthly. Most recently, DIY Sizer was updated on September 20, 2026 and Screw Size Drill Bit Chart on September 18, 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.*