# Screw Identifier - Bolt ID — Fastener, Nut, Washer Scan

> AI-powered fastener identification and specification tool. (iPhone/iPad app by veysel yesilmen.)

- Source: https://appshunter.io/ios/app/screw-identifier-bolt-id/id6759244718 (this page in markdown: same URL + `.md`)
- Developer: [veysel yesilmen](https://appshunter.io/developer/1801211273)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Rating: 3.60/5 from 20 App Store ratings · 6 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 52 MB
- Languages: American English
- Released: 2026-02-25
- Data updated: 2026-08-28
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/screw-identifier-bolt-id/id6759244718/reviews.md

## What is Screw Identifier?

Instantly identify screws, bolts, nuts, and washers with just a photo. Screw Identifier uses advanced AI to analyze any fastener and deliver precise specifications in seconds.


Whether you are a DIY enthusiast, professional contractor, mechanic, or hardware store employee, this app eliminates the guesswork from fastener identification.


INSTANT AI IDENTIFICATION

- Snap a photo of any screw, bolt, nut, or washer

- Get instant AI-powered identification with high accuracy

- Identify multiple fasteners in a single image

- Works with both metric and imperial fasteners


PRECISE MEASUREMENTS & SPECS

- Exact length, diameter, and thread pitch

- Head type classification (Phillips, hex, flat, Torx, socket, pan)

- Thread standard detection (UNC, UNF, metric coarse, metric fine)

- Material and finish identification (stainless steel, zinc, brass)

- Drive type recognition


COMPREHENSIVE FASTENER DATABASE

- Screws: wood screws, machine screws, self-tapping, drywall, deck screws

- Bolts: hex bolts, carriage bolts, lag bolts, eye bolts, U-bolts

- Nuts: hex nuts, lock nuts, wing nuts, cap nuts, flange nuts

- Washers: flat washers, lock washers, fender washers, spring washers

- Plus: rivets, anchors, pins, and specialty fasteners


SMART SIZE REFERENCE

- Use a coin or ruler as reference for accurate measurements

- Automatic scale calibration

- Size comparison charts included


AI ASSISTANT

- Ask any question about fasteners and get expert answers

- Tool compatibility recommendations

- Torque specifications and installation tips

- Material selection guidance


HISTORY & REPORTS

- Save all your scans in organized history

- Generate detailed PDF reports

- Share specifications with colleagues

- Build your fastener collection library


PERFECT FOR

- DIY home improvement projects

- Professional contractors and builders

- Auto mechanics and repair shops

- Hardware store employees

- Plumbers and electricians

- Furniture assembly

- Industrial maintenance

- Engineering and manufacturing


SUBSCRIPTION OPTIONS

- Weekly subscription with auto-renewal

- Lifetime access with one-time purchase


Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase.


Privacy Policy: https://sites.google.com/view/screwidentifier-boltsize/ana-sayfa

Terms of Use: https://sites.google.com/view/screw-identifier-bolt-size/ana-sayfa

## Key features

- AI-powered photo identification
- Precise measurements and specs
- Comprehensive fastener database
- Smart size reference with calibration
- AI assistant for fastener questions
- History and report generation

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Premium Yearly | $39.99 | per year |
| Premium Yearly | $39.99 | per year |
| Weekly Access | $4.99 | per 7 days |
| Get Premium Access | $19.99 | per year |
| Get Premium Access | $4.99 | per 7 days |
| Premium Weekly | $4.99 | per 7 days |
| Premium Weekly | $5.99 | per 7 days |
| Premium Yearly | $29.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime Access | $19.99 | one-time |


## Recent user reviews (6 of 6)

All indexed reviews: https://appshunter.io/ios/app/screw-identifier-bolt-id/id6759244718/reviews.md

### 1/5 — ??

*2026-07-30*

How you gonna ask me to rate the app before even using it?

**Developer response:** Thank you for your feedback. The rating prompt is completely optional and does not prevent you from using the app. You can simply skip it and continue exploring the app. We're sorry if this wasn't clear.

### 1/5 — Disappointed

*2026-07-21*

Only gives a little bit of information, very little help and everything is just a general overview, would not recommend

**Developer response:** Thank you for trying our app and sharing your feedback. We're sorry the identification details didn't meet your expectations. We're continuously working to provide more detailed and useful information about identified fasteners in future updates.

### 1/5 — App doesn’t work

*2026-07-04*

App doesn’t go past the welcome screen.

**Developer response:** Thank you for trying our app. We're sorry you're unable to get past the welcome screen. This is not expected behavior. Please contact us through the Support section with your device details so we can investigate and help resolve the issue.

### 1/5 — No Trial Offer

*2026-06-27*

Requires you to pay for premium version to see if it even works. Yes you can subscribe for a month and then cancel but most people won’t waste five dollars on something they can’t even see if the basics work.

**Developer response:** Hi Mark, thank you for your honest feedback. We understand your concern, and we agree that users should be able to experience the app before committing to a subscription. We're addressing this in an upcoming update by introducing a free trial, making it easier to explore Screw Identifier before any purchase is required. We truly appreciate you taking the time to share your thoughts—they help us improve the app for everyone.

### 1/5 — Pay Before Use

*2026-06-07*

Developer expects $5 or $20 payment without allowing use of the app to see how it works. Useless.

**Developer response:** Thank you for your feedback. We're sorry for the frustration. We understand that being asked to subscribe before trying the app isn't the experience users expect. We're addressing this by adding a free trial in an upcoming update, so everyone can test Screw Identifier before making a purchase. We appreciate your feedback and hope you'll consider giving the app another try after the update.

### 1/5 — It don’t work

*2026-05-26*

It don’t work like all this app you have to pay money for it to work is not worth it just go YouTube free

**Developer response:** Thank you for your feedback. We're sorry the app didn't meet your expectations. We understand that many users want to try an app before subscribing, and we're introducing a free trial in an upcoming update to make that possible. Our goal is to provide accurate screw identification and helpful information in a simple, reliable way. We appreciate your feedback and hope you'll give Screw Identifier another try after the update.

## Frequently asked questions about Screw Identifier

### How does Screw Identifier work?

Screw Identifier uses advanced AI to analyze a photo of any fastener, providing instant identification and precise specifications. You can snap a picture of a screw, bolt, nut, or washer to get detailed information.

### What types of fasteners can Screw Identifier identify?

Screw Identifier can identify a wide range of fasteners including various types of screws (wood, machine, self-tapping), bolts (hex, carriage, lag), nuts (hex, lock, wing), washers (flat, lock, fender), rivets, and anchors.

### Can Screw Identifier identify both metric and imperial fasteners?

Yes, Screw Identifier works with both metric and imperial fasteners, providing accurate identification for a global range of hardware.

### Does Screw Identifier offer subscription options?

Yes, Screw Identifier offers subscription options including weekly access and lifetime access with a one-time purchase. Specific pricing details are available within the app.

### How accurate are the measurements provided by Screw Identifier?

Screw Identifier provides precise measurements for length, diameter, and thread pitch. It uses a coin or ruler as a reference for accurate scaling and automatic scale calibration.

### Can I save my fastener scans with Screw Identifier?

Yes, Screw Identifier allows you to save all your scans in an organized history. You can also generate detailed PDF reports and share specifications with colleagues.

### What is the age rating for Screw Identifier?

Screw Identifier has an age rating of 4+, making it suitable for a broad audience of users.

### How often is Screw Identifier updated?

The latest version of Screw Identifier is 1.0.1, and it was last updated on July 29, 2026. Updates typically bring improvements and new features.

## Version history (last 2 releases)

### 1.0.1 — 2026-07-29

The paywall, subscriptions, rating control and localization flow are now cleaner, faster and easier to manage across every supported language.

### 1.0 — 2026-02-25

No release notes.

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## Related topics

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-28.*