# 睡前故事大全 vs Format Converter

The clearest difference is iOS requirement: Format Converter at 13.0 against 睡前故事大全's 16.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 睡前故事大全 sells 9 one-off in-app purchases and Format Converter sells 5 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

睡前故事大全 ships an update monthly, Format Converter every 2 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 睡前故事大全 | Format Converter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 42.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 30 MB | 112 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [Xiamen Yidong Network Technology Company Limited](https://appshunter.io/developer/1476811365) | [palmmob](https://appshunter.io/developer/1370245851) |

## What reviewers say

### 睡前故事大全

[App page](https://appshunter.io/ios/app/fm/id6449173843)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6学币 | $0.99 | one-time |
| 1年VIP-活动特价 | $0.99 | one-time |
| 1个月VIP会员 | $1.99 | one-time |
| 30学币 | $3.99 | one-time |
| 68学币 | $9.99 | one-time |
| 1年VIP | $14.99 | one-time |
| 108学币 | $14.99 | one-time |
| 268学币 | $39.99 | one-time |
| 698学币 | $99.99 | one-time |


### Format Converter

[App page](https://appshunter.io/ios/app/format-converter-video-and-pdf/id6608964236)

This app is a comprehensive media and file editor that allows for easy conversion of videos, audio, images, and documents. It offers tools for compression, editing, and format swapping, with all processing done locally on your device for enhanced privacy.

**Highlights:** Universal video conversion, Audio extraction and format swapping, Image batch conversion and compression, PDF to Word/Excel/PPT conversion, OCR scanner for text recognition, Local device processing for privacy

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Format Converter member Weekly | $2.99 | per 7 days |
| File Converter member Monthly | $4.99 | per month |
| Format Converter member Yearly | $9.99 | per year |
| Per Lifetime discount version | $12.99 | one-time |
| File Converter member Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is 睡前故事大全 free?

睡前故事大全 is free to download, with in-app purchases available.

### Is Format Converter free?

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

### Do 睡前故事大全 or Format Converter have ads?

Neither 睡前故事大全 nor Format Converter shows ads.

### Which is updated more often, 睡前故事大全 or Format Converter?

睡前故事大全 ships an update monthly, and Format Converter every 2 months. Most recently, 睡前故事大全 was updated on October 27, 2026 and Format Converter on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*