# Clinical Field Notes vs E

The clearest difference is price: E at Free against Clinical Field Notes's $4.99. E also leads on rating (5.0 vs 1.0). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

E is free to download; Clinical Field Notes costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

E holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Clinical Field Notes ships an update every 6 months, E every 8 months. The most recent releases landed on August 23, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Clinical Field Notes | E |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/clinical-field-notes/id1317622669/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/e-lok-smart/id1497659804/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 35.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 8 months |
| Monetization | Paid | **Free** |
| Size | 11 MB | 385 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Liansheng Zhang](https://appshunter.io/developer/448246392) | [William Howie](https://appshunter.io/developer/1491134025) |

## What reviewers say

### Clinical Field Notes

[App page](https://appshunter.io/ios/app/clinical-field-notes/id1317622669)

This app allows users to create detailed medical field notebooks with rich media notes, including text, audio, images, and drawings. It offers tools for measurement and calculation, with options for password protection and secure export of notes.

**Highlights:** Rich media note-taking (text, audio, image, drawing), Medical image tracing and measurement tools, Password protection for entries, Secure note export via email or Dropbox, No account sign-up required, Individual media expiration

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

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-lok-smart/id1497659804)

Control your smart lock remotely or via Bluetooth. Manage access with PIN codes, RFID cards, and virtual keys. Monitor unlock history and customize lock settings for convenient and secure access.

**Highlights:** Bluetooth and Wi-Fi lock control, PIN code and RFID card access, Virtual key management, Unlock record history, Customizable auto-lock timer, Proximity unlock

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

**In-app purchases:** none


## Frequently asked questions

### Is Clinical Field Notes free?

Clinical Field Notes costs $4.99, with no in-app purchases.

### Is E free?

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

### Which has better reviews, Clinical Field Notes or E?

E is rated higher. Clinical Field Notes averages 1.0 out of 5 from 1 ratings, while E averages 5.0 from 1 ratings.

### Do Clinical Field Notes or E have ads?

Neither Clinical Field Notes nor E shows ads.

### Which is updated more often, Clinical Field Notes or E?

Clinical Field Notes ships an update every 6 months, and E every 8 months. Most recently, Clinical Field Notes was updated on August 23, 2026 and E on September 17, 2026.

---

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