# E vs 记个P

The clearest difference is in-app purchases: E at none against 记个P's 2. E also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). 记个P's advantage is update cadence (every 5 days vs monthly). On price and ads there is nothing between them.

Both are free to download. 记个P sells 2 in-app purchases, starting at $1.99 per year. E asks for nothing beyond the download.

E ships an update monthly, 记个P every 5 days. The most recent releases landed on October 4, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | E | 记个P |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Size | 185 MB | 48 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [XinGuang Technology Co.,Ltd.](https://appshunter.io/developer/1130851011) | [彤昕 邵](https://appshunter.io/developer/6794974373) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-lab-mc/id1434041094)

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

**In-app purchases:** none


### 记个P

[App page](https://appshunter.io/ios/app/p/id6794984287)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 年度 Pro | $1.99 | per year |
| 记个P Pro 买断 | $9.99 | one-time |


## Frequently asked questions

### Is E free?

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

### Is 记个P free?

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

### Do E or 记个P have ads?

Neither E nor 记个P shows ads.

### Which is updated more often, E or 记个P?

E ships an update monthly, and 记个P every 5 days. Most recently, E was updated on October 4, 2026 and 记个P on October 17, 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.*