Solar power 2.0 vs E
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Solar power 2.0
This app allows Bluetooth remote control for solar charge controllers. Monitor solar power generation data in real-time and set charging parameters for different battery types. It does not collect user data and is free to use with no ads.
- Bluetooth remote control
- Real-time solar data monitoring
- Customizable charging parameters
- Battery type settings
- Operation mode selection
- No user data collection
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这个应用是一个蓝牙远程操作软件,为太阳能充电控制器开发。用户可以实时监测与太阳能发电有关的数据,便于用户为不同类型的电池设定充电参数和操作模式。它不收集用户的本地数据。只能用蓝牙连接。没有必要注册帐户,也没有广告(免费使用)
E
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E-Write NFC is a configuration tool used for the purpose of configuring NFC-enabled Axiomatic controllers; valve drivers, signal converters, and others. E-Write NFC tool is a means of allowing users to configure NFC-enabled Axiomatic controllers to suit their application. Parameters such as Input Type, Output Type, Output Min/Max Range can all be adjusted using the E-Write NFC. View more at Axiomatic.com
Screenshots
Verdict
The clearest difference is price: Solar power 2.0 at Free against E's $49.99. On update cadence, 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
Solar power 2.0 is free to download; E costs $49.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Solar power 2.0 ships an update every 7 months, E every 11 months. The most recent releases landed on July 5, 2026 and August 28, 2026 respectively.
| Parameter | Solar power 2.0 | E |
|---|---|---|
| Price | Free — better | $49.99 |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 7 months — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 48 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | 凌 郭 | Axiomatic Technologies Corporation |
In-app purchases
Solar power 2.0
No in-app purchases
E
No in-app purchases









