# Thermit Lookup vs SF Journal

The clearest difference is in-app purchases: Thermit Lookup at none against SF Journal's 1. Thermit Lookup also leads on review sentiment (100% vs 67%) and iOS requirement (7.0 vs 26.0). SF Journal's advantage is update cadence (every 2 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. SF Journal sells 1 one-off in-app purchase. Thermit Lookup asks for nothing beyond the download.

Thermit Lookup ships an update every 3 months, SF Journal every 2 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Thermit Lookup | SF Journal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (13 ratings)](https://appshunter.io/ios/app/sf-journal/id6753732321/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 360 MB |
| Requires iOS | **7.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jonathon Matthews](https://appshunter.io/developer/965800107) | [Jeffrey Bemelmans](https://appshunter.io/developer/1836784862) |

## What reviewers say

### Thermit Lookup

[App page](https://appshunter.io/ios/app/thermit-lookup/id965800108)

This app serves as a quick reference for thermit welders and planners. It provides essential parameters and timings for alumina-thermic welding processes based on selected rail sections, grades, welding processes, and fuel gases. It also offers direct links for ordering supplies and technical support.

**Highlights:** Select rail section, grade, process, and fuel gas, Displays key welding parameters, Provides process timings, Links to company website for orders, Includes Head Office telephone number, Automatic database syncing, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### SF Journal

[App page](https://appshunter.io/ios/app/sf-journal/id6753732321)

This app serves as an unofficial companion for a popular space exploration game. It offers a centralized hub for managing exploration progress, tracking missions, and accessing lore. The interface is designed for long gaming sessions, providing essential game context without needing to switch away from the game.

**Highlights:** Star system exploration with planet details, Galaxy map for organized exploration, Resource and crafting material lookup, Character skill and progression planning, Mission and quest tracking, Lore recap timeline

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starfield Journal | $1.99 | one-time |


## Frequently asked questions

### Is Thermit Lookup free?

Thermit Lookup is free to download, with no in-app purchases.

### Is SF Journal free?

SF Journal is free to download, with in-app purchases available.

### Do Thermit Lookup or SF Journal have ads?

Neither Thermit Lookup nor SF Journal shows ads.

### Which is updated more often, Thermit Lookup or SF Journal?

Thermit Lookup ships an update every 3 months, and SF Journal every 2 days. Most recently, Thermit Lookup was updated on October 29, 2026 and SF Journal on October 24, 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.*