# Rain Harvesting vs PDF Scanner

The clearest difference is in-app purchases: Rain Harvesting at none against PDF Scanner's 3. Rain Harvesting also leads on ads (none vs shown) and update cadence (every 2 months vs every 9 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Scanner sells 3 in-app purchases, starting at $3.99 per 7 days. Rain Harvesting asks for nothing beyond the download.

Rain Harvesting ships an update every 2 months, PDF Scanner every 9 months. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Rain Harvesting | PDF Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 9 months |
| Size | 55 MB | 37 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rain Harvesting Pty LTD](https://appshunter.io/developer/1497231953) | [Raheel Shareef](https://appshunter.io/developer/1707591149) |

## What reviewers say

### Rain Harvesting

[App page](https://appshunter.io/ios/app/rain-harvesting/id1503867353)

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

**In-app purchases:** none


### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-edit-scanner-app/id6466659435)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Ads free inapps | $3.99 | per 7 days |
| Monthly Ads free | $7.99 | per month |
| Lifetime Ads Free | $14.99 | one-time |


## Frequently asked questions

### Is Rain Harvesting free?

Rain Harvesting is free to download, with no in-app purchases.

### Is PDF Scanner free?

PDF Scanner is free to download, with in-app purchases available.

### Do Rain Harvesting or PDF Scanner have ads?

PDF Scanner shows ads; Rain Harvesting does not.

### Which is updated more often, Rain Harvesting or PDF Scanner?

Rain Harvesting ships an update every 2 months, and PDF Scanner every 9 months. Most recently, Rain Harvesting was updated on October 25, 2026 and PDF Scanner on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*