# 21energy vs Seedkeeper

The clearest difference is review sentiment: 21energy at 17% against Seedkeeper's 0%. On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 21energy | Seedkeeper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (3 ratings)](https://appshunter.io/ios/app/seedkeeper/id6502836060/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | **16.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | Free |
| Size | 43 MB | 32 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [21energy GmbH](https://appshunter.io/developer/1741551485) | [Satochip](https://appshunter.io/developer/1671023937) |

## What reviewers say

### 21energy

[App page](https://appshunter.io/ios/app/21energy/id6497953701)

Easily set up and configure your Ofen and Ofen Pro heaters. Connect your device via Bluetooth to your local WiFi and manage your mining pool settings with just a few taps.

**Highlights:** Easy setup and configuration, Bluetooth connectivity, WiFi connection, Mining pool configuration, Ofen and Ofen Pro support

**In-app purchases:** none


### Seedkeeper

[App page](https://appshunter.io/ios/app/seedkeeper/id6502836060)

This app generates and securely stores passwords and mnemonic seedphrases, working in conjunction with a smart card. It offers PIN-protected access and supports various security specifications without requiring account registration or collecting personal data.

**Highlights:** Generate and store passwords and seedphrases, PIN-protected access, NFC card scanning for operation, Supports BIP39 protocol, No account registration or data collection, Open-source application

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 21energy free?

21energy is free to download, with no in-app purchases.

### Is Seedkeeper free?

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

### Do 21energy or Seedkeeper have ads?

Neither 21energy nor Seedkeeper 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.*