# 3LINEDIARY vs ThinkFamily

3LINEDIARY and ThinkFamily are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. 3LINEDIARY sells 1 in-app purchase, starting at $2.99 per month and ThinkFamily sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

3LINEDIARY ships an update fortnightly, ThinkFamily every 2 weeks. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 3LINEDIARY | ThinkFamily |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (48 ratings)](https://appshunter.io/ios/app/3linediary/id1436460302/reviews)** | — |
| Number of ratings | **48** | — |
| Positive reviews | 84.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Freemium | — |
| Size | 88 MB | 83 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [(주)윌림](https://appshunter.io/developer/1436460301) | [Sangcheol Cha](https://appshunter.io/developer/1751203278) |

## What reviewers say

### 3LINEDIARY

[App page](https://appshunter.io/ios/app/3linediary/id1436460302)

This app offers a simple journaling experience focused on positivity and mindfulness. Capture daily thoughts with brief entries and optional photos, create multiple private or public diaries, and connect with a supportive community through shared writing and engagement.

**Highlights:** Three-line daily entries, Optional photo attachments, Multiple private diaries, Public diary sharing (anonymous option), Community engagement (likes, comments), Shared diaries with friends/family, Customizable reminders

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ‘Friends' Subscription | $2.99 | per month |


### ThinkFamily

[App page](https://appshunter.io/ios/app/thinkfamily/id6504162949)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 개인 플랜 | $3.99 | per month |
| 가족 플랜 | $9.99 | per month |
| 광고제거 | $3.99 | one-time |


## Frequently asked questions

### Is 3LINEDIARY free?

3LINEDIARY is free to download, with in-app purchases available.

### Is ThinkFamily free?

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

### Do 3LINEDIARY or ThinkFamily have ads?

Both 3LINEDIARY and ThinkFamily show ads.

### Which is updated more often, 3LINEDIARY or ThinkFamily?

3LINEDIARY ships an update fortnightly, and ThinkFamily every 2 weeks. Most recently, 3LINEDIARY was updated on September 17, 2026 and ThinkFamily on September 21, 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.*