# MSMA, ME vs PS 150 The Christopher School

The clearest difference is update cadence: PS 150 The Christopher School at every 2 months against MSMA, ME's every 12 months. PS 150 The Christopher School 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.

MSMA, ME ships an update every 12 months, PS 150 The Christopher School every 2 months. The most recent releases landed on October 29, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | MSMA, ME | PS 150 The Christopher School |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ps-150-the-christopher-school/id1517905560/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 148 MB | 237 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Maine Schools Board Association](https://appshunter.io/developer/1483063150) | [Solved Education Consultancy, LLC](https://appshunter.io/developer/1506645558) |

## What reviewers say

### MSMA, ME

[App page](https://appshunter.io/ios/app/msma-me/id1483063151)

**In-app purchases:** none


### PS 150 The Christopher School

[App page](https://appshunter.io/ios/app/ps-150-the-christopher-school/id1517905560)

This app provides students, families, and staff with direct access to academic schedules, grades, learning materials, and school announcements. It integrates school social platforms, event details, and health resources, offering multilingual support and an intuitive interface for seamless educational management.

**Highlights:** Academic schedules and real-time grades, Learning materials access, School announcements and notifications, Parent-Teacher Association updates, Staff directory, Multilingual support (100+ languages), Integration with educational platforms

**In-app purchases:** none


## Frequently asked questions

### Is MSMA, ME free?

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

### Is PS 150 The Christopher School free?

PS 150 The Christopher School is free to download, with no in-app purchases.

### Do MSMA, ME or PS 150 The Christopher School have ads?

Neither MSMA, ME nor PS 150 The Christopher School shows ads.

### Which is updated more often, MSMA, ME or PS 150 The Christopher School?

MSMA, ME ships an update every 12 months, and PS 150 The Christopher School every 2 months. Most recently, MSMA, ME was updated on October 29, 2026 and PS 150 The Christopher School 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.*