# Emit Diary vs 灵感宇宙

The clearest difference is in-app purchases: 灵感宇宙 at none against Emit Diary's 2. 灵感宇宙 also leads on update cadence (every 5 days vs every 6 months). Emit Diary's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price and ads there is nothing between them.

Both are free to download. Emit Diary sells 2 in-app purchases, starting at $1.99 per month. 灵感宇宙 asks for nothing beyond the download.

Emit Diary ships an update every 6 months, 灵感宇宙 every 5 days. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Emit Diary | 灵感宇宙 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 days** |
| Size | 21 MB | 4 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [晨姣 李](https://appshunter.io/developer/1516779751) | [世隆 谭](https://appshunter.io/developer/1798016002) |

## What reviewers say

### Emit Diary

[App page](https://appshunter.io/ios/app/emit-diary-shared-and-security/id6444681191)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Membership | $1.99 | per month |
| Annual Premium Membership | $17.99 | per year |


### 灵感宇宙

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Emit Diary free?

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

### Is 灵感宇宙 free?

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

### Do Emit Diary or 灵感宇宙 have ads?

Neither Emit Diary nor 灵感宇宙 shows ads.

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

Emit Diary ships an update every 6 months, and 灵感宇宙 every 5 days. Most recently, Emit Diary was updated on October 4, 2026 and 灵感宇宙 on October 8, 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.*