# DCD App vs LogEM

The clearest difference is in-app purchases: DCD App at none against LogEM's 2. DCD App also leads on iOS requirement (13.0 vs 15.1). LogEM's advantage is update cadence (fortnightly vs every 17 months). On price, ads and device support there is nothing between them.

Both are free to download. LogEM sells 2 in-app purchases, starting at $3.99 per month. DCD App asks for nothing beyond the download.

DCD App ships an update every 17 months, LogEM fortnightly. The most recent releases landed on November 8, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | DCD App | LogEM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 17 months | **Fortnightly** |
| Size | 16 MB | 87 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [MOHAN Foundation](https://appshunter.io/developer/1192966620) | [BRIGHTWELL MEDICAL LIMITED](https://appshunter.io/developer/6818779813) |

## What reviewers say

### DCD App

[App page](https://appshunter.io/ios/app/dcd-app/id6494988373)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 DCD App free?

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

### Is LogEM free?

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

### Do DCD App or LogEM have ads?

Neither DCD App nor LogEM shows ads.

### Which is updated more often, DCD App or LogEM?

DCD App ships an update every 17 months, and LogEM fortnightly. Most recently, DCD App was updated on November 8, 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.*