# X vs PH

The clearest difference is iOS requirement: X at 9.0 against PH's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

X ships an update every 9 days, PH fortnightly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | X | PH |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Size | 80 MB | 46 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jiangsu Xugong Information Technology Co., Ltd.](https://appshunter.io/developer/1065721255) | [Suzhou zhongchupuhua Electric Technology Co., Ltd](https://appshunter.io/developer/1673675965) |

## What reviewers say

### X

[App page](https://appshunter.io/ios/app/x-smart/id1517535526)

**Features:** macOS Compatibility

**In-app purchases:** none


### PH

[App page](https://appshunter.io/ios/app/ph-solar/id6445969426)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is X free?

X is free to download, with no in-app purchases.

### Is PH free?

PH is free to download, with no in-app purchases.

### Do X or PH have ads?

Neither X nor PH shows ads.

### Which is updated more often, X or PH?

X ships an update every 9 days, and PH fortnightly. Most recently, X was updated on October 27, 2026 and PH on October 25, 2026.

---

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