# China Spring ISD, TX vs P.S. 399

The clearest difference is update cadence: P.S. 399 at every 5 weeks against China Spring ISD, TX's every 38 months. P.S. 399 also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

China Spring ISD, TX ships an update every 38 months, P.S. 399 every 5 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | China Spring ISD, TX | P.S. 399 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ps-399/id6466276576/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 117 MB | 163 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [China Spring ISD](https://appshunter.io/developer/1665689304) | [Solved Education Consultancy, LLC](https://appshunter.io/developer/1506645558) |

## What reviewers say

### China Spring ISD, TX

[App page](https://appshunter.io/ios/app/china-spring-isd-tx/id1665689302)

**In-app purchases:** none


### P.S. 399

[App page](https://appshunter.io/ios/app/ps-399/id6466276576)

This app provides students, families, and educators with direct access to academic schedules, grades, school announcements, and progress reports. It features multilingual support, integrated social platforms, and links to educational resources and health information.

**Highlights:** Academic schedule and grades access, School announcements and notifications, Parent-Teacher Association updates, Staff directory, Student progress reports, Multilingual support (100+ languages), Integrated social platforms

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

**In-app purchases:** none


## Frequently asked questions

### Is China Spring ISD, TX free?

China Spring ISD, TX is free to download, with no in-app purchases.

### Is P.S. 399 free?

P.S. 399 is free to download, with no in-app purchases.

### Do China Spring ISD, TX or P.S. 399 have ads?

Neither China Spring ISD, TX nor P.S. 399 shows ads.

### Which is updated more often, China Spring ISD, TX or P.S. 399?

China Spring ISD, TX ships an update every 38 months, and P.S. 399 every 5 weeks. Most recently, China Spring ISD, TX was updated on November 3, 2026 and P.S. 399 on November 3, 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.*