# Simple Sound Meter vs ampee

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.

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.

## The numbers

| Metric | Simple Sound Meter | ampee |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ampee-smart-ev-charging/id6787160832/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 55 MB |
| Requires iOS | 26.2 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Michael Jones](https://appshunter.io/developer/995065201) | [Ampee LLC](https://appshunter.io/developer/6787160834) |

## What reviewers say

### Simple Sound Meter

[App page](https://appshunter.io/ios/app/simple-sound-meter/id6759672261)

**Features:** macOS Compatibility

**In-app purchases:** none


### ampee

[App page](https://appshunter.io/ios/app/ampee-smart-ev-charging/id6787160832)

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.

**Highlights:** 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

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ampee Founding 1 car | $4.99 | per month |
| ampee Founding 2 cars | $9.99 | per month |
| 2 cars (monthly) | $11.99 | per month |
| ampee Founding 3 cars | $14.99 | per month |
| ampee Founding 1 car yr | $49.90 | per year |
| 1 car (yearly) | $69.90 | per year |
| ampee Founding 2 cars yr | $99.90 | per year |
| 2 cars (yearly) | $119.99 | per year |
| ampee Founding 3 cars yr | $149.99 | per year |
| 3 cars (yearly) | $169.99 | per year |


## Frequently asked questions

### Is Simple Sound Meter free?

Simple Sound Meter costs $0.99, with no in-app purchases.

### Is ampee free?

ampee is free to download, with in-app purchases available.

### Do Simple Sound Meter or ampee have ads?

Neither Simple Sound Meter nor ampee shows ads.

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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.*