# M.S. K394 vs FillMyClass

The clearest difference is ratings volume: FillMyClass at 11 against M.S. K394's 1. On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for M.S. K394 against 5.0 for FillMyClass. That said, the two scores are not equally well evidenced: FillMyClass has 11 ratings behind it against 1, so its average is the more settled of the two.

M.S. K394 ships an update every 6 weeks, FillMyClass every 3 weeks. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | M.S. K394 | FillMyClass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/ms-k394/id1510823462/reviews) | [5.0 (11 ratings)](https://appshunter.io/ios/app/fillmyclass/id6689493114/reviews) |
| Number of ratings | 1 | **11** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 237 MB | 46 MB |
| Requires iOS | 15.6 | **14.5.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Solved Education Consultancy, LLC](https://appshunter.io/developer/1506645558) | [Isaac Johnston](https://appshunter.io/developer/1768675937) |

## What reviewers say

### M.S. K394

[App page](https://appshunter.io/ios/app/ms-k394/id1510823462)

This app provides a unified digital hub for students, families, and educators, offering access to academic schedules, grades, school announcements, and staff directories. It facilitates seamless communication and planning for school events and activities.

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

**In-app purchases:** none


### FillMyClass

[App page](https://appshunter.io/ios/app/fillmyclass/id6689493114)

This app streamlines the process of finding substitute teachers for schools. Teachers and administrators can post substitute requests, and registered substitutes receive notifications to accept jobs directly through the application. It also features a calendar for an overview of leave requests.

**Highlights:** Submit substitute requests, Notify registered substitutes, Accept jobs via app, Substitute teacher calendar, Leave request overview

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

**In-app purchases:** none


## Frequently asked questions

### Is M.S. K394 free?

M.S. K394 is free to download, with no in-app purchases.

### Is FillMyClass free?

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

### Which has better reviews, M.S. K394 or FillMyClass?

M.S. K394 and FillMyClass are both rated 5.0 out of 5 on the App Store, from 1 and 11 ratings respectively.

### Do M.S. K394 or FillMyClass have ads?

Neither M.S. K394 nor FillMyClass shows ads.

### Which is updated more often, M.S. K394 or FillMyClass?

M.S. K394 ships an update every 6 weeks, and FillMyClass every 3 weeks. Most recently, M.S. K394 was updated on October 19, 2026 and FillMyClass on October 24, 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.*