# Scanner App For Docs vs LudyMeter

The clearest difference is ads: LudyMeter at none against Scanner App For Docs's shown. Scanner App For Docs's advantage is update cadence (weekly vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Scanner App For Docs sells 2 in-app purchases, starting at $2.99 per month and LudyMeter sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Scanner App For Docs ships an update weekly, LudyMeter every 6 months. The most recent releases landed on October 2, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Scanner App For Docs | LudyMeter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 6 months |
| Size | 15 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Amandeep Bhardwaj](https://appshunter.io/developer/1819522111) | [Ludy Ankas, LLC](https://appshunter.io/developer/1839727404) |

## What reviewers say

### Scanner App For Docs

[App page](https://appshunter.io/ios/app/scanner-app-for-docs/id6755651778)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Yearly | $29.99 | per year |


### LudyMeter

[App page](https://appshunter.io/ios/app/ludymeter-sound-level-meter/id6760686850)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LudyMeter Pro | $14.99 | one-time |
| LudyMeter Safety | $49.99 | one-time |


## Frequently asked questions

### Is Scanner App For Docs free?

Scanner App For Docs is free to download, with in-app purchases available.

### Is LudyMeter free?

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

### Do Scanner App For Docs or LudyMeter have ads?

Scanner App For Docs shows ads; LudyMeter does not.

### Which is updated more often, Scanner App For Docs or LudyMeter?

Scanner App For Docs ships an update weekly, and LudyMeter every 6 months. Most recently, Scanner App For Docs was updated on October 2, 2026 and LudyMeter on October 4, 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.*