21energy vs ZenPro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
21energy
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.
- Easy setup and configuration
- Bluetooth connectivity
- WiFi connection
- Mining pool configuration
- Ofen and Ofen Pro support
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The 21energy app is the easiest way to setup and configure your Ofen and Ofen Pro with just a few taps. Connect your heater via Bluetooth to your local WiFi and configure your mining pool.
ZenPro
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A mobile application designed specifically for installers, the efficiency-focused energy storage system deployment tool aims to optimize the process of energy storage systems from installation to delivery. Core features: - Quick Deployment: Scan the QR code to create the device system and complete initialization within minutes. - Status Overview: Centralized view of the real-time status of all systems and devices. - Flexible configuration: On-site adjustment of key parameters such as grid connection standards and charge-discharge power. - Efficient Management: Add/remove devices at any time, support OTA remote upgrade. The first version focuses on core requirements, helping you reduce cumbersome operations and improve service efficiency and professionalism.
Screenshots
Verdict
The clearest difference is update cadence: 21energy at fortnightly against ZenPro's monthly. On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
21energy ships an update fortnightly, ZenPro monthly. The most recent releases landed on September 15, 2026 and September 20, 2026 respectively.
| Parameter | 21energy | ZenPro |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 16.7% of reviews | — |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 42 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | 21energy GmbH | Zendure USA INC |
In-app purchases
21energy
No in-app purchases
ZenPro
No in-app purchases
