# 知己 vs Remember

The clearest difference is device support: Remember at 3 against 知己's 1. Remember also leads on iOS requirement (17.0 vs 26.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | 知己 | Remember |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Size | 8 MB | 20 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [伟烈 熊](https://appshunter.io/developer/6792607821) | [嘉源 张](https://appshunter.io/developer/1882548860) |

## What reviewers say

### 知己

[App page](https://appshunter.io/ios/app/ai/id6816163811)

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

**In-app purchases:** none


### Remember

[App page](https://appshunter.io/ios/app/remember-ai-life-assistant/id6817218514)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 知己 free?

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

### Is Remember free?

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

### Do 知己 or Remember have ads?

Neither 知己 nor Remember shows ads.

### Which is updated more often, 知己 or Remember?

知己 ships an update every 3 days, and Remember every 3 days. Most recently, 知己 was updated on October 31, 2026 and Remember 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.*