# Screw Identifier vs Screw Size Drill Bit Chart

The clearest difference is ads: Screw Size Drill Bit Chart at none against Screw Identifier's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Screw Identifier sells 5 in-app purchases, starting at $2.99 per 7 days and Screw Size Drill Bit Chart sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Screw Identifier | Screw Size Drill Bit Chart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (23 ratings)](https://appshunter.io/ios/app/screw-identifier-fastener-id/id6751171399/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 101 MB | 23 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FANG FANG](https://appshunter.io/developer/1833796784) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Screw Identifier

[App page](https://appshunter.io/ios/app/screw-identifier-fastener-id/id6751171399)

Instantly identify screws, bolts, and nuts using AI. Measure dimensions, access detailed specifications, and get expert guidance from a chatbot. Ideal for DIYers, mechanics, and hobbyists.

**Highlights:** AI-powered fastener identification, Precise measurement with ruler reference, Detailed specifications (type, size, material), AI chatbot for expert guidance, Scan history and reports, Intuitive interface

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $2.99 | per 7 days |
| Weekly Pro | $3.99 | per 7 days |
| Annual Pro | $19.99 | per year |
| Yearly Pro | $19.99 | per year |
| Lifetime Pro | $29.99 | one-time |


### 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 Screw Identifier free?

Screw Identifier is free to download, with in-app purchases available.

### Is Screw Size Drill Bit Chart free?

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

### Do Screw Identifier or Screw Size Drill Bit Chart have ads?

Screw Identifier shows ads; Screw Size Drill Bit Chart does not.

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

Screw Identifier ships an update monthly, and Screw Size Drill Bit Chart monthly. Most recently, Screw Identifier was updated on November 5, 2026 and Screw Size Drill Bit Chart on November 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*