# Problem Solving MFG vs SchoolBell At Home

The clearest difference is price: Problem Solving MFG at Free against SchoolBell At Home's $1.99. Problem Solving MFG also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (13.0 vs 17.6). SchoolBell At Home's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

Problem Solving MFG is free to download; SchoolBell At Home costs $1.99 up front. Problem Solving MFG sells 1 in-app purchase, starting at $142.99 per year. SchoolBell At Home asks for nothing beyond the download.

Problem Solving MFG ships an update every 3 weeks, SchoolBell At Home every 3 months. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Problem Solving MFG | SchoolBell At Home |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | — | Paid |
| Size | 34 MB | 12 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Lionel Moss](https://appshunter.io/developer/1806356846) | [定军 张](https://appshunter.io/developer/1545867407) |

## What reviewers say

### Problem Solving MFG

[App page](https://appshunter.io/ios/app/problem-solving-mfg/id6503246775)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Plan | $142.99 | per year |


### SchoolBell At Home

[App page](https://appshunter.io/ios/app/schoolbell-at-home/id6760388986)

This app provides an automated bell system for managing schedules, ideal for students, teachers, and administrators. It features authentic bell sounds, global schedule presets, and smart background alerts to maintain focus on learning.

**Highlights:** Authentic bell sounds library, Global schedule presets, Smart background alerts, Privacy-focused, no data collection, Homeschooling and self-study routines, School schedule simulations

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

**In-app purchases:** none


## Frequently asked questions

### Is Problem Solving MFG free?

Problem Solving MFG is free to download, with in-app purchases available.

### Is SchoolBell At Home free?

SchoolBell At Home costs $1.99, with no in-app purchases.

### Do Problem Solving MFG or SchoolBell At Home have ads?

Neither Problem Solving MFG nor SchoolBell At Home shows ads.

### Which is updated more often, Problem Solving MFG or SchoolBell At Home?

Problem Solving MFG ships an update every 3 weeks, and SchoolBell At Home every 3 months. Most recently, Problem Solving MFG was updated on October 2, 2026 and SchoolBell At Home on October 15, 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.*