# 药研社 vs OffMemory

The clearest difference is in-app purchases: 药研社 at none against OffMemory's 1. 药研社 also leads on iOS requirement (10.0 vs 15.0). OffMemory's advantage is update cadence (every 4 days vs every 5 weeks) and device support (5 vs 2). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. OffMemory sells 1 one-off in-app purchase. 药研社 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for 药研社 against 5.0 for OffMemory. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

药研社 ships an update every 5 weeks, OffMemory every 4 days. Both last shipped on November 6, 2026.

## The numbers

| Metric | 药研社 | OffMemory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/id1048023046/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/offmemory/id6808076750/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 176 MB | 40 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Mudi Biotech Co., Ltd.](https://appshunter.io/developer/1008561790) | [良 史](https://appshunter.io/developer/6797367906) |

## What reviewers say

### 药研社

[App page](https://appshunter.io/ios/app/id1048023046)

**Features:** macOS Compatibility

**In-app purchases:** none


### OffMemory

[App page](https://appshunter.io/ios/app/offmemory/id6808076750)

This encrypted diary keeps your thoughts private on your device. Features include password protection, writing prompts, and visual insights into your writing habits. Securely back up and restore your entries.

**Highlights:** AES-256 encrypted notes, Password and Face ID protection, Writing prompts, Yearly writing heat map, Home-screen widget, Markdown toolbar and organization, Encrypted backup and restore

**Features:** Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Unlimited Notes | $6.99 | one-time |


## Frequently asked questions

### Is 药研社 free?

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

### Is OffMemory free?

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

### Which has better reviews, 药研社 or OffMemory?

药研社 and OffMemory are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do 药研社 or OffMemory have ads?

Neither 药研社 nor OffMemory shows ads.

### Which is updated more often, 药研社 or OffMemory?

药研社 ships an update every 5 weeks, and OffMemory every 4 days. Most recently, 药研社 was updated on November 6, 2026 and OffMemory on November 6, 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.*