# CSB Limited Edition V4 vs Source Note

The clearest difference is in-app purchases: CSB Limited Edition V4 at none against Source Note's 2. Source Note's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Source Note sells 2 in-app purchases, starting at $5.99 per 7 days. CSB Limited Edition V4 asks for nothing beyond the download.

CSB Limited Edition V4 ships an update every 2 months, Source Note every 2 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CSB Limited Edition V4 | Source Note |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 198 MB | 45 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [e-Jan Networks Co.](https://appshunter.io/developer/306277105) | [TOPMUSE PTE. LTD.](https://appshunter.io/developer/1753894501) |

## What reviewers say

### CSB Limited Edition V4

[App page](https://appshunter.io/ios/app/csb-limited-edition-v4/id6550912532)

**Features:** macOS Compatibility

**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 CSB Limited Edition V4 free?

CSB Limited Edition V4 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 CSB Limited Edition V4 or Source Note have ads?

Neither CSB Limited Edition V4 nor Source Note shows ads.

### Which is updated more often, CSB Limited Edition V4 or Source Note?

CSB Limited Edition V4 ships an update every 2 months, and Source Note every 2 weeks. Most recently, CSB Limited Edition V4 was updated on October 27, 2026 and Source Note on October 25, 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.*