# One Log vs LogEM

The clearest difference is update cadence: LogEM at fortnightly against One Log's every 16 months. LogEM also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. One Log sells 2 in-app purchases, starting at $7.99 per month and LogEM sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

One Log ships an update every 16 months, LogEM fortnightly. The most recent releases landed on November 7, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | One Log | LogEM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/one-log/id1550102878/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 87 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Silence Media](https://appshunter.io/developer/345024675) | [BRIGHTWELL MEDICAL LIMITED](https://appshunter.io/developer/6818779813) |

## What reviewers say

### One Log

[App page](https://appshunter.io/ios/app/one-log/id1550102878)

This app helps medical professionals, especially anaesthetists, log clinical activities and CPD requirements. It offers a secure, user-friendly interface for tracking procedures and generating reports, compliant with RCOA standards.

**Highlights:** RCOA compliant clinical activity logging, CPD activity tracking and reporting, Procedure logging for job applications, Paediatric anaesthesia information, Data synchronization across Apple devices, Offline data entry, Secure data encryption and backup

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $7.99 | per month |
| Yearly | $79.99 | per year |


### LogEM

[App page](https://appshunter.io/ios/app/logem-em-logbook-and-pocus/id6787253139)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LogEM Pro (Monthly) | $3.99 | per month |
| LogEM Pro (Annual) | $34.99 | per year |


## Frequently asked questions

### Is One Log free?

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

### Is LogEM free?

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

### Do One Log or LogEM have ads?

Neither One Log nor LogEM shows ads.

### Which is updated more often, One Log or LogEM?

One Log ships an update every 16 months, and LogEM fortnightly. Most recently, One Log was updated on November 7, 2026 and LogEM on November 11, 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.*