# EDC Leads vs QR Notes

The clearest difference is iOS requirement: EDC Leads at 10.0 against QR Notes's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EDC Leads ships an update every 29 months, QR Notes every 20 months. The most recent releases landed on September 28, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | EDC Leads | QR Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 20 months** |
| Size | 43 MB | 2 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Expo Data Capture, Inc.](https://appshunter.io/developer/1188111001) | [Athanasios Bountioukos - Spinaris](https://appshunter.io/developer/1709546328) |

## What reviewers say

### EDC Leads

[App page](https://appshunter.io/ios/app/edc-leads/id1188111002)

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Notes

[App page](https://appshunter.io/ios/app/qr-notes-digitalize-notes/id6468128087)

**In-app purchases:** none


## Frequently asked questions

### Is EDC Leads free?

EDC Leads is free to download, with no in-app purchases.

### Is QR Notes free?

QR Notes is free to download, with no in-app purchases.

### Do EDC Leads or QR Notes have ads?

Neither EDC Leads nor QR Notes shows ads.

### Which is updated more often, EDC Leads or QR Notes?

EDC Leads ships an update every 29 months, and QR Notes every 20 months. Most recently, EDC Leads was updated on September 28, 2026 and QR Notes on September 10, 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.*