# Four Site ArcPro vs Source Note

The clearest difference is in-app purchases: Four Site ArcPro at none against Source Note's 2. Source Note's advantage is update cadence (every 2 weeks vs every 3 months) and iOS requirement (15.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Source Note sells 2 in-app purchases, starting at $5.99 per 7 days. Four Site ArcPro asks for nothing beyond the download.

Four Site ArcPro ships an update every 3 months, Source Note every 2 weeks. The most recent releases landed on October 5, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Four Site ArcPro | Source Note |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/four-site-arcpro/id1224332304/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 39 MB | 45 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Four Site Inc](https://appshunter.io/developer/1224332303) | [TOPMUSE PTE. LTD.](https://appshunter.io/developer/1753894501) |

## What reviewers say

### Four Site ArcPro

[App page](https://appshunter.io/ios/app/four-site-arcpro/id1224332304)

This app allows users to download property inspection workloads for offline use, syncing changes when connectivity is restored. It streamlines the inspection process with optimized workflows and quick photo uploads.

**Highlights:** Offline inspection capability, Syncs changes when connected, Optimized workflow, Rapid photo uploads, Property inspection management

**Features:** Vision Pro support

**In-app purchases:** none


### Source Note

[App page](https://appshunter.io/ios/app/source-note-procurement-log/id6760685975)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Source Note,1week | $5.99 | per 7 days |
| Source Note,1year | $59.99 | per year |


## Frequently asked questions

### Is Four Site ArcPro free?

Four Site ArcPro is free to download, with no in-app purchases.

### Is Source Note free?

Source Note is free to download, with in-app purchases available.

### Do Four Site ArcPro or Source Note have ads?

Neither Four Site ArcPro nor Source Note shows ads.

### Which is updated more often, Four Site ArcPro or Source Note?

Four Site ArcPro ships an update every 3 months, and Source Note every 2 weeks. Most recently, Four Site ArcPro was updated on October 5, 2026 and Source Note on September 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.*