SDG Master vs Noise Meter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SDG Master
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SDG Master is a mobile game developed under the Erasmus+ partnership in adult education Sustainability Coaches, led by VNB e.V. (Germany), alongside Eco-Logic (North Macedonia), Synthesis (Cyprus), and CSCI (Italy), aiming to equip trainers and community educators with the skills to become "Sustainability Coaches." These coaches will guide and inspire communities to take meaningful local actions with a global perspective, fostering sustainable practices that benefit society on a larger scale.
Noise Meter
This app helps children understand and manage noise levels through a visual meter and interactive characters. It encourages self-regulation and calm by providing real-time feedback on sound intensity. Ideal for home or educational settings.
- Visual noise meter
- Kid-friendly characters reacting to sound
- Real-time sound level feedback
- Encourages calm and self-regulation
- Color-coded noise level bar
- Ideal for home and classrooms
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Help your kids stay quiet and calm. This app helps children recognise when it’s too loud using a fun visual noise meter and colorful characters. It uses the device’s microphone to detect sound, reacting in real time — as noise increases, the character changes expression and the background adjusts to match the sound level. FEATURES ● Fun visual noise meter ● Kid friendly characters that react to sound level ● Real-time expression changes and background transitions ● Visual noise level bar with color feedback ● Encourages calm and self-regulation ● Ideal for home, classrooms, or sensory-friendly spaces ● No ads Terms and Conditions: https://sites.google.com/site/appsforparentsterms/ Feel free to contact us if you have any comments or questions. If you like the app, please leave your feedback on the App Store. It really helps! Support Email: AppsForParents@gmail.com
Screenshots
Verdict
The clearest difference is in-app purchases: SDG Master at none against Noise Meter's 9. SDG Master also leads on iOS requirement (13.0 vs 17.6). Noise Meter's advantage is update cadence (every 6 weeks vs every 3 months). On price, ads and device support 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
Both are free to download. Noise Meter sells 9 in-app purchases, starting at $5.99 per 7 days. SDG Master asks for nothing beyond the download.
SDG Master ships an update every 3 months, Noise Meter every 6 weeks. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.
| Parameter | SDG Master | Noise Meter |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (15 ratings) — better |
| Number of ratings | — | 15 — better |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 260 MB | 72 MB |
| Age rating | 17+ | 4+ |
| Developer | Ilija Rushkovski | Natalia Jakubczyk-Gajewska |
In-app purchases
SDG Master
No in-app purchases
Noise Meter
- 1 Week Premium Subscription7 Days trial$5.997 Days
- 1 Week Premium Subscription3 Days trial$5.997 Days
- Noise Meter Premium1 Month trial$9.991 Month
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- Noise Meter Premium7 Days trial$9.991 Month
- Noise Meter Premium1 Month trial$19.993 Months
- Noise Meter Premium$29.996 Months
- Noise Meter Premium1 Month trial$39.991 Year
- Noise Meter Premium$49.991 Year
- Noise Meter Premium$99.99
Questions
Is SDG Master free?
Is Noise Meter free?
Do SDG Master or Noise Meter have ads?
Which is updated more often, SDG Master or Noise Meter?
Other comparisons
