# Grateful Notes vs Serenity

The clearest difference is in-app purchases: Grateful Notes at none against Serenity's 2. Grateful Notes also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Serenity sells 2 in-app purchases, starting at $6.99 per 7 days. Grateful Notes asks for nothing beyond the download.

Grateful Notes ships an update every 2 weeks, Serenity every 2 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Grateful Notes | Serenity |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 22 MB | 39 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Onur Senturk](https://appshunter.io/developer/1871383199) | [Darius Cirjan](https://appshunter.io/developer/1827010077) |

## What reviewers say

### Grateful Notes

[App page](https://appshunter.io/ios/app/grateful-notes/id6758196891)

**Features:** macOS Compatibility

**In-app purchases:** none


### Serenity

[App page](https://appshunter.io/ios/app/serenity-ai-mood-journal/id6761684674)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $6.99 | per 7 days |
| Premium Monthly | $19.99 | per month |


## Frequently asked questions

### Is Grateful Notes free?

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

### Is Serenity free?

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

### Do Grateful Notes or Serenity have ads?

Neither Grateful Notes nor Serenity shows ads.

### Which is updated more often, Grateful Notes or Serenity?

Grateful Notes ships an update every 2 weeks, and Serenity every 2 months. Most recently, Grateful Notes was updated on October 25, 2026 and Serenity on October 28, 2026.

---

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