# 知我 vs 心情日记

The clearest difference is update cadence: 知我 at monthly against 心情日记's every 19 months. 知我 also leads on iOS requirement (14.1 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

知我 ships an update monthly, 心情日记 every 19 months. The most recent releases landed on October 12, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 知我 | 心情日记 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/id1468035013/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 19 months |
| Monetization | Free | — |
| Size | 3 MB | 10 MB |
| Requires iOS | **14.1** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Accanto Co., Ltd.](https://appshunter.io/developer/1330534480) | [Octopus Network](https://appshunter.io/developer/1561967214) |

## What reviewers say

### 知我

[App page](https://appshunter.io/ios/app/id1468035013)

This app provides a friendly and honest way to record your current state. It's designed to help individuals, including those with health conditions or mental health challenges, begin to see positive change through objective self-awareness.

**Highlights:** Honest self-recording, Objective self-awareness, Record current state, Leave a mark on time, User feedback welcome

**Features:** Vision Pro support

**In-app purchases:** none


### 心情日记

[App page](https://appshunter.io/ios/app/id6464120589)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 知我 free?

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

### Is 心情日记 free?

心情日记 is free to download, with no in-app purchases.

### Do 知我 or 心情日记 have ads?

Neither 知我 nor 心情日记 shows ads.

### Which is updated more often, 知我 or 心情日记?

知我 ships an update monthly, and 心情日记 every 19 months. Most recently, 知我 was updated on October 12, 2026 and 心情日记 on October 19, 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.*