# Welding Toolbox 2 vs Simple Pace

The clearest difference is review sentiment: Simple Pace at 100% against Welding Toolbox 2's 50%. Simple Pace also leads on price ($0.99 vs $7.99) and update cadence (every 5 days vs every 29 months). Welding Toolbox 2's advantage is iOS requirement (16.0 vs 18.6). On ads, in-app purchases, monetization model and device support there is nothing between them.

Welding Toolbox 2 costs $7.99 and Simple Pace $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Welding Toolbox 2 ships an update every 29 months, Simple Pace every 5 days. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Welding Toolbox 2 | Simple Pace |
| --- | --- | --- |
| Price | $7.99 | **$0.99** |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/simple-pace/id6757935168/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 5 days** |
| Monetization | Paid | Paid |
| Size | 29 MB | 1 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Parsify Technologies Antoni Kepinski](https://appshunter.io/developer/1546617908) | [Kevin Marsden](https://appshunter.io/developer/1839391266) |

## What reviewers say

### Welding Toolbox 2

[App page](https://appshunter.io/ios/app/welding-toolbox-2/id1546617906)

This app provides essential tools for welding inspection, including calculators for heat input, equivalent carbon content, critical metal parameters, and pitting resistance. It supports both metric and imperial systems and allows for data export.

**Highlights:** Heat input calculator, Equivalent carbon content calculator, Critical metal parameter calculator, Pitting resistance calculator, Metric & imperial system support, Result history and export, Open-source

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

**In-app purchases:** none


### Simple Pace

[App page](https://appshunter.io/ios/app/simple-pace/id6757935168)

This app helps runners calculate and plan their workout and race paces. It's designed for runners of all levels, from beginners training for a 5K to experienced athletes aiming for a marathon personal best.

**Highlights:** Workout pace planning, Race pace calculation, 5K to marathon training support, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Welding Toolbox 2 free?

Welding Toolbox 2 costs $7.99, with no in-app purchases.

### Is Simple Pace free?

Simple Pace costs $0.99, with no in-app purchases.

### Do Welding Toolbox 2 or Simple Pace have ads?

Neither Welding Toolbox 2 nor Simple Pace shows ads.

### Which is updated more often, Welding Toolbox 2 or Simple Pace?

Welding Toolbox 2 ships an update every 29 months, and Simple Pace every 5 days. Most recently, Welding Toolbox 2 was updated on October 3, 2026 and Simple Pace on September 29, 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.*