Class Noise vs USD 447
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Class Noise
This app helps teachers manage classroom noise by visually indicating sound levels and rewarding students for quieting down. It gamifies classroom management, making it easier to capture attention and maintain focus without constant verbal reminders. Enjoy a calm and productive learning environment.
- Monitors sound levels
- Rewards students for quiet
- Gamified approach
- Adjustable sensitivity
- Variety of feedback animations
- Works offline
- Ad-free and private
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Grab your students’ attention and take control of classroom noise. Class Noise scans sound levels and gives students time to quiet down. When they succeed, they’re rewarded with a fun animation. Simple, effective, and gamified the right way. Telling kids to “quiet down” over and over feels unprofessional and rarely works. Class Noise turns classroom management into a game—helping you grab attention and keep students focused. For less than the price of a coffee—without subscriptions or annoying ads—you’ll get a tool that helps with one of the hardest parts of teaching: managing classroom noise. Bring calm back to your classroom with Class Noise. Class Noise includes the features teachers ask for most: + Settings saved between sessions + Adjustable sensitivity for different classroom environments + A variety of delightful feedback animations + Works without blocking your Smart Board + Quick scans from 3 seconds or longer—choose what works best for you + Works offline, ad-free, and private As a teacher myself, I know how critical it is to capture attention and lower noise quickly. This app solved that challenge for me, and I’m confident it will do the same for you.
USD 447
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Introducing the brand new app for USD 447. NEVER MISS AN EVENT The event section shows a list of events throughout the district. Users can add an event to their calendar to share the event with friends and family with one tap. CUSTOMIZE NOTIFICATIONS Select your student's organization within the app and make sure you never miss a message. CAFETERIA MENUS Within the dining section, you'll find an easy to navigate, weekly menu, sorted by day and meal type. DISTRICT UPDATES In the Live Feed is where you'll find updates from the administration about what's going on in the district right now. Whether that's celebrating a student's success, or reminding you about an upcoming deadline. CONTACT STAFF & DEPARTMENTS Find relevant staff and department contacts under an easy-to-navigate directory.
Screenshots
Verdict
The clearest difference is price: USD 447 at Free against Class Noise's $1.99. USD 447 also leads on update cadence (every 3 months vs every 14 months). Class Noise's advantage is chart position (#198 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
USD 447 is free to download; Class Noise costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Class Noise ships an update every 14 months, USD 447 every 3 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.
| Parameter | Class Noise | USD 447 |
|---|---|---|
| Price | $1.99 | Free — better |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 14 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Best chart rank | #198 — better | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 7 MB | 143 MB |
| Age rating | 4+ | 4+ |
| Developer | Johandre Delgado Moreno | Unified School District 447 Cherryvale |
In-app purchases
Class Noise
No in-app purchases
USD 447
No in-app purchases









