# 时空门 vs Trip Note

The clearest difference is in-app purchases: 时空门 at none against Trip Note's 3. 时空门 also leads on iOS requirement (12.0 vs 16.3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Trip Note sells 3 in-app purchases, starting at $1.99 per month. 时空门 asks for nothing beyond the download.

时空门 ships an update monthly, Trip Note every 6 weeks. The most recent releases landed on October 11, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 时空门 | Trip Note |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Size | 367 MB | 45 MB |
| Requires iOS | **12.0** | 16.3 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Bimu Illumination Design Co., Ltd.](https://appshunter.io/developer/1669386153) | [猜成都](https://appshunter.io/developer/908660241) |

## What reviewers say

### 时空门

[App page](https://appshunter.io/ios/app/id1669386151)

**Features:** macOS Compatibility

**In-app purchases:** none


### Trip Note

[App page](https://appshunter.io/ios/app/trip-note-diary-and-checklist/id6465693593)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month Access | $1.99 | per month |
| 1-Year Access | $19.99 | per year |
| Forever Access | $29.99 | one-time |


## Frequently asked questions

### Is 时空门 free?

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

### Is Trip Note free?

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

### Do 时空门 or Trip Note have ads?

Neither 时空门 nor Trip Note shows ads.

### Which is updated more often, 时空门 or Trip Note?

时空门 ships an update monthly, and Trip Note every 6 weeks. Most recently, 时空门 was updated on October 11, 2026 and Trip Note on October 25, 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.*