EFIG vs SolarMax Onyx
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
EFIG
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EFIG ยฎ (Electric Fence Internet Gateway) application enables itโs users to communicate and control EFIG ยฎ CPE (Customer Premises Equipment) to monitor and control Security Electric Fence Energizer through an internet connection. The CPE is designed to pick up essential parameters of fence energizer and upload those to a cloud based server. EFIG ยฎ user app communicates with the cloud server and passes on essential information back & forth. Based on robust Open Source technologies at the server side and mobile apps at user end, EFIG ยฎ is a perfect solution for home and industrial users of security electric fence. The app can request EFIG ยฎ server for various types of notifications depending upon conditions on the electric fence. User may opt to get notification, call, or SMS for various states and has the ability to turn ON/OFF the system remotely with appropriate authentication. App user will also able to register complaints with the helpdesk of his/her service provider and know the progress status. A primary user of EFIG ยฎ will also be able to register maximum two of his family members who will also be granted access to the information of their electric fence energizer. These secondary users will have limited access but they will be able to get all the notifications and alarms history.
SolarMax Onyx
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SolarMax Onyx APP to monitor inverter data/log and provide inverter configuration.
Screenshots
Verdict
EFIG and SolarMax Onyx are too close to call on the numbers: across 6 compared parameters โ price, update cadence, ads and in-app purchases among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
EFIG ships an update every 2 months, SolarMax Onyx every 4 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | EFIG | SolarMax Onyx |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months โ better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod โ better |
| Requires iOS | 12.4 โ better | 13.4 |
| Further details โ not scored | ||
| Size | 16 MB | 42 MB |
| Age rating | 4+ | 17+ |
| Developer | Unisource Solutions | Power Highway |
In-app purchases
EFIG
No in-app purchases
SolarMax Onyx
No in-app purchases









