# 21energy vs Axe Dash

The clearest difference is in-app purchases: 21energy at none against Axe Dash's 1. 21energy also leads on iOS requirement (15.0 vs 17.6). Axe Dash's advantage is update cadence (every 2 days vs fortnightly) and review sentiment (25% vs 17%). On price, ads and device support there is nothing between them.

Both are free to download. Axe Dash sells 1 one-off in-app purchase. 21energy asks for nothing beyond the download.

21energy ships an update fortnightly, Axe Dash every 2 days. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 21energy | Axe Dash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (4 ratings)](https://appshunter.io/ios/app/axe-dash/id6752036540/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 16.7% of reviews | **25.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 43 MB | 5 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [21energy GmbH](https://appshunter.io/developer/1741551485) | [Adam Nieto](https://appshunter.io/developer/1837998518) |

## 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


### Axe Dash

[App page](https://appshunter.io/ios/app/axe-dash/id6752036540)

Monitor and manage your Bitaxe miners in real-time. Track performance, temperature, power consumption, and fan speeds from a single, intuitive interface. Stay connected with network status monitoring and automatic refresh.

**Highlights:** Real-time mining performance monitoring, Multi-miner management, Temperature and power consumption tracking, Fan speed and frequency control, Network status monitoring, Automatic refresh

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Charts | $1.99 | one-time |


## Frequently asked questions

### Is 21energy free?

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

### Is Axe Dash free?

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

### Do 21energy or Axe Dash have ads?

Neither 21energy nor Axe Dash shows ads.

### Which is updated more often, 21energy or Axe Dash?

21energy ships an update fortnightly, and Axe Dash every 2 days. Most recently, 21energy was updated on October 3, 2026 and Axe Dash on October 6, 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.*