# Memor vs 碳基常识

Memor and 碳基常识 are too close to call on the numbers: across 7 compared parameters — price, review sentiment, update cadence and ads 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. Memor sells 2 in-app purchases, starting at $1.99 per month and 碳基常识 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 31, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Memor | 碳基常识 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Freemium | — |
| Size | 27 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tianjin Ruikai Technology Co., Ltd](https://appshunter.io/developer/1766739205) | [雪萃 杜](https://appshunter.io/developer/1882899799) |

## What reviewers say

### Memor

[App page](https://appshunter.io/ios/app/memor-time-tracker/id6757461316)

This app helps you track your time and manage tasks to achieve personal growth. It offers integrated recording, calendar views, and system synchronization for seamless planning and review of your daily actions.

**Highlights:** Integrated recording and to-do lists, Calendar and timeline views, System reminders and calendar sync, Home screen widgets and live activities, Customizable themes, iCloud sync and backup

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 会员 | $1.99 | per month |
| 年度会员 | $14.99 | per year |


### 碳基常识

[App page](https://appshunter.io/ios/app/id6818057553)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久解锁内容 | $0.99 | one-time |


## Frequently asked questions

### Is Memor free?

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

### Is 碳基常识 free?

碳基常识 is free to download, with in-app purchases available.

### Do Memor or 碳基常识 have ads?

Neither Memor nor 碳基常识 shows ads.

### Which is updated more often, Memor or 碳基常识?

Memor ships an update every 4 days, and 碳基常识 every 4 days. Most recently, Memor was updated on October 31, 2026 and 碳基常识 on October 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*