# Bolt Thread Identifier vs Llamazing

The clearest difference is price: Bolt Thread Identifier at Free against Llamazing's $19.99. Llamazing's advantage is update cadence (every 10 days vs every 11 months) and iOS requirement (18.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

Bolt Thread Identifier is free to download; Llamazing costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Bolt Thread Identifier ships an update every 11 months, Llamazing every 10 days. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Bolt Thread Identifier | Llamazing |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/bolt-thread-identifier/id6468966021/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 58 MB | 69 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Geared Design Consulting L.L.C.](https://appshunter.io/developer/1732325276) | [Leonardo Costa](https://appshunter.io/developer/1778844167) |

## What reviewers say

### Bolt Thread Identifier

[App page](https://appshunter.io/ios/app/bolt-thread-identifier/id6468966021)

Identify bolt thread pitches by taking a photo. This app uses AI to match SAE-UNC, SAE-UNF, or metric pitches after a simple distance calibration. It's a handy tool for anyone working with fasteners.

**Highlights:** Photo-based thread pitch measurement, AI-driven pitch matching, Supports SAE-UNC, SAE-UNF, and metric threads, Simple distance calibration, Useful for fabricators and mechanics

**Features:** macOS Compatibility

**In-app purchases:** none


### Llamazing

[App page](https://appshunter.io/ios/app/llamazing/id6742205210)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bolt Thread Identifier free?

Bolt Thread Identifier is free to download, with no in-app purchases.

### Is Llamazing free?

Llamazing costs $19.99, with no in-app purchases.

### Do Bolt Thread Identifier or Llamazing have ads?

Neither Bolt Thread Identifier nor Llamazing shows ads.

### Which is updated more often, Bolt Thread Identifier or Llamazing?

Bolt Thread Identifier ships an update every 11 months, and Llamazing every 10 days. Most recently, Bolt Thread Identifier was updated on September 20, 2026 and Llamazing on September 22, 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.*