# 易节能源 vs 携程程曦

The clearest difference is update cadence: 携程程曦 at every 5 weeks against 易节能源's every 29 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

易节能源 ships an update every 29 months, 携程程曦 every 5 weeks. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 易节能源 | 携程程曦 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 5 weeks** |
| Size | 46 MB | 16 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [上海电气集团数字科技有限公司](https://appshunter.io/developer/1530502907) | [携程商旅信息服务(上海)有限公司](https://appshunter.io/developer/1702115548) |

## What reviewers say

### 易节能源

[App page](https://appshunter.io/ios/app/id1614602181)

**Features:** macOS Compatibility

**In-app purchases:** none


### 携程程曦

[App page](https://appshunter.io/ios/app/id6444786726)

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

**In-app purchases:** none


## Frequently asked questions

### Is 易节能源 free?

易节能源 is free to download, with no in-app purchases.

### Is 携程程曦 free?

携程程曦 is free to download, with no in-app purchases.

### Do 易节能源 or 携程程曦 have ads?

Neither 易节能源 nor 携程程曦 shows ads.

### Which is updated more often, 易节能源 or 携程程曦?

易节能源 ships an update every 29 months, and 携程程曦 every 5 weeks. Most recently, 易节能源 was updated on October 30, 2026 and 携程程曦 on October 27, 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.*