# HeartTie Diary vs Serendipity Diary

The clearest difference is ads: HeartTie Diary at none against Serendipity Diary's shown. Serendipity Diary's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. HeartTie Diary sells 4 in-app purchases, starting at $2.99 per month and Serendipity Diary sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

HeartTie Diary ships an update every 3 weeks, Serendipity Diary monthly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HeartTie Diary | Serendipity Diary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 52 MB | 52 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [小芳 胡](https://appshunter.io/developer/1882916195) | [庆鸿 林](https://appshunter.io/developer/1558629938) |

## What reviewers say

### HeartTie Diary

[App page](https://appshunter.io/ios/app/hearttie-diary/id6760256907)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $2.99 | per month |
| Quarterly Membership | $6.99 | per 3 months |
| Yearly Membership | $22.99 | per year |
| Lifetime Membership | $12.99 | one-time |


### Serendipity Diary

[App page](https://appshunter.io/ios/app/serendipity-diary-journal/id6784578884)

This app provides a private space to record daily thoughts, experiences, and memories. It allows for rich text formatting, media attachments, and mood tracking to help users reflect on their past entries. Cloud backup and robust security features ensure your journal is safe and accessible.

**Highlights:** Rich text editor with formatting options, Attach photos, videos, and voice notes, Mood and weather tracking, Calendar view and search functionality, Cloud backup and sync, Biometric and passcode app lock, Private space for extra sensitive entries

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium · Monthly | $1.99 | per month |
| Premium · Annual | $9.99 | per year |
| Premium · Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is HeartTie Diary free?

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

### Is Serendipity Diary free?

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

### Do HeartTie Diary or Serendipity Diary have ads?

Serendipity Diary shows ads; HeartTie Diary does not.

### Which is updated more often, HeartTie Diary or Serendipity Diary?

HeartTie Diary ships an update every 3 weeks, and Serendipity Diary monthly. Most recently, HeartTie Diary was updated on November 5, 2026 and Serendipity Diary on October 31, 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.*