# 一念便签 vs SciencePal 2.0

The clearest difference is in-app purchases: SciencePal 2.0 at none against 一念便签's 9. SciencePal 2.0 also leads on update cadence (weekly vs fortnightly) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. 一念便签 sells 8 one-off in-app purchases. SciencePal 2.0 asks for nothing beyond the download.

一念便签 ships an update fortnightly, SciencePal 2.0 weekly. The most recent releases landed on October 23, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 一念便签 | SciencePal 2.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (12 ratings)](https://appshunter.io/ios/app/id1473578864/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 84.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 21 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 12+ |
| Developer | [Guangzhou Black Box Network Technology Co., Ltd.](https://appshunter.io/developer/1526609856) | [铖 桂](https://appshunter.io/developer/6782643346) |

## What reviewers say

### 一念便签

[App page](https://appshunter.io/ios/app/id1473578864)

Capture fleeting thoughts and inspirations quickly. Organize them with tags and links for easy retrieval. Receive daily random reminders of your saved notes for unexpected insights.

**Highlights:** Quickly save text inspirations, Organize notes with tags, Link related notes, Daily random note review, Offline support, Cross-device synchronization

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一个月Pro功能 | $0.99 | one-time |
| 3个月Pro功能 | $1.99 | one-time |
| 一个月Pro功能 | $1.99 | one-time |
| 半年Pro功能 | $2.99 | one-time |
| 一年Pro功能 | $4.99 | one-time |
| 一年Pro功能 | $6.99 | one-time |
| 买断Pro | $12.00 | one-time |
| 买断Pro | $24.99 | one-time |


### SciencePal 2.0

[App page](https://appshunter.io/ios/app/sciencepal-20/id6794681921)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 一念便签 free?

一念便签 is free to download, with in-app purchases available.

### Is SciencePal 2.0 free?

SciencePal 2.0 is free to download, with no in-app purchases.

### Do 一念便签 or SciencePal 2.0 have ads?

Neither 一念便签 nor SciencePal 2.0 shows ads.

### Which is updated more often, 一念便签 or SciencePal 2.0?

一念便签 ships an update fortnightly, and SciencePal 2.0 weekly. Most recently, 一念便签 was updated on October 23, 2026 and SciencePal 2.0 on October 19, 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.*