Simple Sound Meter vs ampee
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Sound Meter
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Simple Sound Meter is a fast, visual way to monitor ambient noise. It listens to the microphone and fills your screen with a color that reflects your current sound level—green for quiet, yellow for moderate, and red for loud. Features - Full-screen color indicator (green → yellow → red) - Custom thresholds to match your environment - Optional warning sound when the highest threshold is reached - Choose from multiple warning sounds - Optional red hold and red/white flash for loud events - Keep screen awake while the app is open Privacy Audio is processed on-device for live feedback. This app does not store recordings and does not collect personal data. “What’s New” (Version 1.0) Initial release: live color sound meter, customizable thresholds, warning sounds, red hold + optional flashing.
ampee
This app automatically charges your electric vehicle using your home's solar power surplus. It intelligently adjusts charging speed to maximize solar energy usage and minimize reliance on grid power. Connect your EV and solar system to start charging with sunshine.
- Automatic solar charging
- Real-time surplus monitoring
- EV and solar system integration
- Departure and battery priority modes
- Live charging dashboard
- Session history and savings tracking
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ampee charges your electric car with your own solar power - automatically. If you have solar panels and an EV, ampee makes sure your car soaks up your surplus sunshine instead of exporting it cheaply to the grid or charging from expensive grid power. It watches your solar production in real time and continuously adjusts your car's charging speed to match the surplus - no manual tweaking, no schedules to babysit. HOW IT WORKS - Connect your vehicle: Tesla, plus Rivian, Polestar, Ford, Volvo, and Lucid - Connect your solar system or energy monitor: Enphase, SolarEdge, Fronius, Solarman, Growatt, Tesla, Sense, or Emporia - Plug in - ampee reads your surplus every 30 seconds and sets the charge rate to use it FEATURES - Solar mode: charge only on excess solar, automatically - Boost, Overnight, and Charge-to-% commands for a quick or full top-up - Departure charging: reach the level you want by the time you leave - Home-battery priority: fill your home battery first, then the car - Charge and battery limits, schedules, and export-limit awareness - Live dashboard of solar, house, car, and available power - Session history and savings: see how much solar you captured - Notifications that explain why charging started, paused, or resumed - "Ask ampee" in-app assistant for instant help ampee is free during beta. Charge on sunshine. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: ampee at Free against Simple Sound Meter's $0.99. ampee also leads on iOS requirement (16.4 vs 26.2). Simple Sound Meter's advantage is in-app purchases (none vs 10). On 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
ampee is free to download; Simple Sound Meter costs $0.99 up front. ampee sells 10 in-app purchases, starting at $4.99 per month. Simple Sound Meter asks for nothing beyond the download.
| Parameter | Simple Sound Meter | ampee |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | — | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26.2 | 16.4 — better |
| Further details — not scored | ||
| Size | 5 MB | 55 MB |
| Age rating | 4+ | 17+ |
| Developer | Michael Jones | Ampee LLC |
In-app purchases
Simple Sound Meter
No in-app purchases
ampee
- ampee Founding 1 car3 Days trial$4.991 Month
- ampee Founding 2 cars3 Days trial$9.991 Month
- 2 cars (monthly)1 Month trial$11.991 Month
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- ampee Founding 3 cars3 Days trial$14.991 Month
- ampee Founding 1 car yr3 Days trial$49.901 Year
- 1 car (yearly)1 Month trial$69.901 Year
- ampee Founding 2 cars yr3 Days trial$99.901 Year
- 2 cars (yearly)1 Month trial$119.991 Year
- ampee Founding 3 cars yr3 Days trial$149.991 Year
- 3 cars (yearly)1 Month trial$169.991 Year









