# Weldmaster AI vs Seismometer ∞

The clearest difference is in-app purchases: Seismometer ∞ at none against Weldmaster AI's 2. Weldmaster AI's advantage is ads (none vs shown) and update cadence (every 5 days vs every 2 weeks). On price there is nothing between them.

Both are free to download. Weldmaster AI sells 2 in-app purchases, starting at $4.99 per month. Seismometer ∞ asks for nothing beyond the download.

Weldmaster AI ships an update every 5 days, Seismometer ∞ every 2 weeks. The most recent releases landed on September 7, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Weldmaster AI | Seismometer ∞ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/weldmaster-ai/id6758675752/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Paid | — |
| Size | 29 MB | 16 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Remi VANHAELEWYN](https://appshunter.io/developer/1874354131) | [辰巳家有限公司](https://appshunter.io/developer/1781943256) |

## What reviewers say

### Weldmaster AI

[App page](https://appshunter.io/ios/app/weldmaster-ai/id6758675752)

This AI-powered tool helps users find optimal welding settings quickly. By analyzing a photo of your welder and your material details, it provides precise parameters for a perfect weld. It's designed for beginners and DIY enthusiasts looking to improve their welding skills.

**Highlights:** AI-powered welder recognition, Instant welding parameter generation, Material and thickness analysis, Recommended process (MIG/MAG/TIG), Expert mode with advanced features, Safety reminders and best practices

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $4.99 | per month |
| Monthly Premium Subscription | $4.99 | one-time |


### Seismometer ∞

[App page](https://appshunter.io/ios/app/seismometer/id6761700650)

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

**In-app purchases:** none


## Frequently asked questions

### Is Weldmaster AI free?

Weldmaster AI is free to download, with in-app purchases available.

### Is Seismometer ∞ free?

Seismometer ∞ is free to download, with no in-app purchases.

### Do Weldmaster AI or Seismometer ∞ have ads?

Seismometer ∞ shows ads; Weldmaster AI does not.

### Which is updated more often, Weldmaster AI or Seismometer ∞?

Weldmaster AI ships an update every 5 days, and Seismometer ∞ every 2 weeks. Most recently, Weldmaster AI was updated on September 7, 2026 and Seismometer ∞ on September 12, 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.*