# 萤火写作 vs Penmo+ Quiet Writing Notebook

The clearest difference is in-app purchases: 萤火写作 at none against Penmo+ Quiet Writing Notebook's 3. Penmo+ Quiet Writing Notebook's advantage is iOS requirement (15.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Penmo+ Quiet Writing Notebook sells 3 in-app purchases, starting at $0.99 per month. 萤火写作 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 萤火写作 | Penmo+ Quiet Writing Notebook |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 95.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | Every 2 days |
| Monetization | — | Freemium |
| Size | 6 MB | 69 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [松明 张](https://appshunter.io/developer/1064830289) | [Seiya.k](https://appshunter.io/developer/383021944) |

## What reviewers say

### 萤火写作

[App page](https://appshunter.io/ios/app/id6766533941)

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

**In-app purchases:** none


### Penmo+ Quiet Writing Notebook

[App page](https://appshunter.io/ios/app/penmo-plus-quiet-writing-notebook/id6777692398)

A distraction-free writing application designed for authors and journalers. It offers a clean editor, organizational tools for novels and notes, and features like draft history and full-text search. The app supports vertical writing and provides a dedicated reading mode.

**Highlights:** Distraction-free editor, Novel and note organization, Draft history, Vertical writing and ruby support, Dedicated reading mode, Writing progress heatmap, Offline functionality, Plain-text export

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Penmo+ Pro (Monthly) | $0.99 | per month |
| Penmo+ Pro (Yearly) | $3.99 | per year |
| Penmo+ Pro (Lifetime) | $5.99 | one-time |


## Frequently asked questions

### Is 萤火写作 free?

萤火写作 is free to download, with no in-app purchases.

### Is Penmo+ Quiet Writing Notebook free?

Penmo+ Quiet Writing Notebook is free to download, with in-app purchases available.

### Do 萤火写作 or Penmo+ Quiet Writing Notebook have ads?

Neither 萤火写作 nor Penmo+ Quiet Writing Notebook shows ads.

### Which is updated more often, 萤火写作 or Penmo+ Quiet Writing Notebook?

萤火写作 ships an update every 2 days, and Penmo+ Quiet Writing Notebook every 2 days. Most recently, 萤火写作 was updated on October 31, 2026 and Penmo+ Quiet Writing Notebook 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.*