# Screw Identifier vs NaviTabi Flags

The clearest difference is in-app purchases: NaviTabi Flags at none against Screw Identifier's 5. NaviTabi Flags also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Screw Identifier sells 5 in-app purchases, starting at $2.99 per 7 days. NaviTabi Flags asks for nothing beyond the download.

## The numbers

| Metric | Screw Identifier | NaviTabi Flags |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 101 MB | 18 MB |
| Requires iOS | **16.4** | 16.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [FANG FANG](https://appshunter.io/developer/1833796784) | [NaviTabi Inc.](https://appshunter.io/developer/1350889028) |

## 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 |


### NaviTabi Flags

[App page](https://appshunter.io/ios/app/navitabi-flags/id6757639682)

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

**In-app purchases:** none


## Frequently asked questions

### Is Screw Identifier free?

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

### Is NaviTabi Flags free?

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

### Do Screw Identifier or NaviTabi Flags have ads?

Screw Identifier shows ads; NaviTabi Flags does not.

---

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