# 海之森能源 vs 悦读HTML

The clearest difference is price: 海之森能源 at Free against 悦读HTML's $0.99. 海之森能源 also leads on update cadence (weekly vs every 6 months) and iOS requirement (12.0 vs 18.5). On ads, in-app purchases and device support there is nothing between them.

海之森能源 is free to download; 悦读HTML costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

海之森能源 ships an update weekly, 悦读HTML every 6 months. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 海之森能源 | 悦读HTML |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 months |
| Size | 78 MB | 2 MB |
| Requires iOS | **12.0** | 18.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Meidu Energy Group (Hainan) Co., Ltd.](https://appshunter.io/developer/1596704257) | [铭 徐](https://appshunter.io/developer/1839497957) |

## What reviewers say

### 海之森能源

[App page](https://appshunter.io/ios/app/id6502898511)

**Features:** macOS Compatibility

**In-app purchases:** none


### 悦读HTML

[App page](https://appshunter.io/ios/app/html/id6752500572)

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

**In-app purchases:** none


## Frequently asked questions

### Is 海之森能源 free?

海之森能源 is free to download, with no in-app purchases.

### Is 悦读HTML free?

悦读HTML costs $0.99, with no in-app purchases.

### Do 海之森能源 or 悦读HTML have ads?

Neither 海之森能源 nor 悦读HTML shows ads.

### Which is updated more often, 海之森能源 or 悦读HTML?

海之森能源 ships an update weekly, and 悦读HTML every 6 months. Most recently, 海之森能源 was updated on October 2, 2026 and 悦读HTML 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.*