# ICU Diary vs Simple Gratitude

The clearest difference is update cadence: Simple Gratitude at weekly against ICU Diary's fortnightly. ICU Diary's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 17.6). On price, 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.

ICU Diary ships an update fortnightly, Simple Gratitude weekly. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ICU Diary | Simple Gratitude |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/icu-diary/id1547645951/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | — |
| Size | 24 MB | 2 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cambridge Digital Health Ltd.](https://appshunter.io/developer/1297295745) | [Simon Oliver](https://appshunter.io/developer/1394267185) |

## What reviewers say

### ICU Diary

[App page](https://appshunter.io/ios/app/icu-diary/id1547645951)

This app helps clinical staff and relatives create a secure, legible diary for ICU patients. Documenting a patient's ICU stay aids understanding, processing memories, and can improve mental health and physical recovery, potentially reducing PTSD.

**Highlights:** Secure patient diary creation, Legible documentation for staff and relatives, Helps patients make sense of ICU stay, Aids memory recall and understanding, Supports mental health and physical recovery, Reduces incidence of PTSD, Printable diary with photos and glossary

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Gratitude

[App page](https://appshunter.io/ios/app/simple-gratitude/id6753645109)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ICU Diary free?

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

### Is Simple Gratitude free?

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

### Do ICU Diary or Simple Gratitude have ads?

Neither ICU Diary nor Simple Gratitude shows ads.

### Which is updated more often, ICU Diary or Simple Gratitude?

ICU Diary ships an update fortnightly, and Simple Gratitude weekly. Most recently, ICU Diary was updated on October 9, 2026 and Simple Gratitude on October 13, 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.*