# 灵感宇宙 vs OnceJournal

The clearest difference is in-app purchases: 灵感宇宙 at none against OnceJournal's 1. 灵感宇宙 also leads on update cadence (every 5 days vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. OnceJournal sells 1 one-off in-app purchase. 灵感宇宙 asks for nothing beyond the download.

灵感宇宙 ships an update every 5 days, OnceJournal every 8 months. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 灵感宇宙 | OnceJournal |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 8 months |
| Size | 4 MB | 13 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [世隆 谭](https://appshunter.io/developer/1798016002) | [NOH HIYEONG](https://appshunter.io/developer/1839727056) |

## What reviewers say

### 灵感宇宙

[App page](https://appshunter.io/ios/app/id6743124666)

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

**In-app purchases:** none


### OnceJournal

[App page](https://appshunter.io/ios/app/oncejournal/id6756858201)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Lifetime | $7.99 | one-time |


## Frequently asked questions

### Is 灵感宇宙 free?

灵感宇宙 is free to download, with no in-app purchases.

### Is OnceJournal free?

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

### Do 灵感宇宙 or OnceJournal have ads?

Neither 灵感宇宙 nor OnceJournal shows ads.

### Which is updated more often, 灵感宇宙 or OnceJournal?

灵感宇宙 ships an update every 5 days, and OnceJournal every 8 months. Most recently, 灵感宇宙 was updated on October 8, 2026 and OnceJournal on October 11, 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.*