# Seal One vs my4E

The clearest difference is in-app purchases: Seal One at none against my4E's 12. Seal One also leads on iOS requirement (12.0 vs 16.6). my4E's advantage is update cadence (fortnightly vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. my4E sells 12 in-app purchases, starting at $0.99 per 7 days. Seal One asks for nothing beyond the download.

Seal One ships an update every 9 months, my4E fortnightly. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Seal One | my4E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/my4e/id1594081033/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 95.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 124 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Seal One AG](https://appshunter.io/developer/1033883427) | [Totalidea Software GmbH](https://appshunter.io/developer/395874142) |

## What reviewers say

### Seal One

[App page](https://appshunter.io/ios/app/seal-one/id1033883428)

**In-app purchases:** none


### my4E

[App page](https://appshunter.io/ios/app/my4e/id1594081033)

Monitor your E3/DC home power station and wallbox with detailed performance data, energy flow visualization, and cost calculations. Access real-time and historical data, control your wallbox, and view market electricity prices.

**Highlights:** Real-time performance data, Energy flow visualization, Wallbox control, Cost and savings calculation, Market electricity prices, Apple Watch app and widgets

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Premium (One User) | $0.99 | per 7 days |
| 1 Month Premium (one user) | $2.99 | per month |
| 1 Month Premium (one user) | $2.99 | per month |
| 1 Month Premium (Family) | $4.99 | per month |
| 12 Months Premium (One User) | $24.99 | per year |
| 12 Months Premium (One User) | $24.99 | per year |
| 12 Months Premium (Family) | $49.99 | per year |
| Trinkgeld für eine Tüte Süßes | $0.99 | one-time |
| Trinkgeld für einen Kaffee | $2.99 | one-time |
| Trinkgeld für einen Burger | $4.99 | one-time |
| Start-Kaufhinweis deaktivieren | $4.99 | one-time |
| Trinkgeld für eine Pizza | $7.99 | one-time |


## Frequently asked questions

### Is Seal One free?

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

### Is my4E free?

my4E is free to download, with in-app purchases available.

### Do Seal One or my4E have ads?

Neither Seal One nor my4E shows ads.

### Which is updated more often, Seal One or my4E?

Seal One ships an update every 9 months, and my4E fortnightly. Most recently, Seal One was updated on October 12, 2026 and my4E on October 25, 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.*