# YiKe vs Knowledge Base

The clearest difference is in-app purchases: Knowledge Base at none against YiKe's 3. YiKe's advantage is update cadence (every 4 days vs weekly) and iOS requirement (17.0 vs 26.4). On price, ads and device support there is nothing between them.

Both are free to download. YiKe sells 3 in-app purchases, starting at $0.99 per month. Knowledge Base asks for nothing beyond the download.

YiKe ships an update every 4 days, Knowledge Base weekly. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | YiKe | Knowledge Base |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/yike-light-journal-notebook/id6768877248/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 44 MB | 9 MB |
| Requires iOS | **17.0** | 26.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [昱琨 程](https://appshunter.io/developer/1803048570) | [CHANG CHIA-WEI](https://appshunter.io/developer/1804812181) |

## What reviewers say

### YiKe

[App page](https://appshunter.io/ios/app/yike-light-journal-notebook/id6768877248)

This app offers a simple way to record daily moments with text, photos, and videos. It features automatic saving and allows easy editing of past entries. Track your activity and revisit memories effortlessly.

**Highlights:** Local data storage, Text, photo, and video entries, Edit past entries, Automatic draft saving, Activity statistics, Date-based entry recall

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| YiKe PRO Monthly | $0.99 | per month |
| YiKe PRO Annual | $2.99 | per year |
| YiKe PRO Lifetime | $4.99 | one-time |


### Knowledge Base

[App page](https://appshunter.io/ios/app/knowledge-base-second-brain/id6785236967)

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

**In-app purchases:** none


## Frequently asked questions

### Is YiKe free?

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

### Is Knowledge Base free?

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

### Do YiKe or Knowledge Base have ads?

Neither YiKe nor Knowledge Base shows ads.

### Which is updated more often, YiKe or Knowledge Base?

YiKe ships an update every 4 days, and Knowledge Base weekly. Most recently, YiKe was updated on October 3, 2026 and Knowledge Base on October 8, 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.*