OPTIMISER POWER vs SOSSA
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
OPTIMISER POWER
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OPTIMISER POWER, Photon Solar's Data Cloud Center, is used to display the generating data of every solar module, summarize the power and energy yield, and manage the entire solar system. Functions: 1. Dynamically display the status of entire PV power station and every module in real time 2. Promptly locate the system failure and inform user by email or short message 3. Remotely deactivate the optimizers for maintenance or emergency purposes 4. Multi terminal login: PC, PAD and smart phone 5. Historical data query, big data analysis and automatical chart report
SOSSA
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You already text "I'm home" every night. SOSSA sends it for you automatically. And when something goes wrong, one tap connects your whole circle. Instant alert, simultaneous group call, live GPS location. No airtime needed. That's SOSSA. Not a call centre. Not a stranger. Your own trusted circle. The people who already know you, and will actually show up. PANIC BUTTON Tap once. Every trusted contact is alerted instantly, a group call starts with everyone on the line, and your live location is shared for the duration of the call. The call is automatically recorded for your protection. SAFE LOCATIONS (NEW) The end of "text me when you get there." Save the places that matter, home, school, work, and SOSSA automatically lets your circle know the moment you arrive safely. 5 locations free, up to 100 on Premium. LIVE LOCATION SHARING (NEW) One tap in the app or from the widget, and your trusted contacts can follow your live location in real time. KEY FEATURES One tap SOS from the home screen, lock screen, or widget Emergency group call, everyone hears each other Live GPS tracking during the call, stops when the call ends In app calling on data, no airtime needed Automatic call recording for your protection Automatic safe arrival alerts at your saved locations Trusted contacts join for free, only the alert sender subscribes Works silently in the background, ready when you need it BUILT FOR REAL LIFE Car trouble at night. A walk home alone. A child travelling to school. A medical scare. A moment when you just need someone to know where you are. SOSSA doesn't replace emergency services. It gets the people who care about you there first. Terms of Service: https://sossa.co.za/terms Privacy Policy: https://sossa.co.za/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: OPTIMISER POWER at none against SOSSA's 4. OPTIMISER POWER also leads on iOS requirement (13.0 vs 15.1). SOSSA's advantage is update cadence (every 3 days vs fortnightly). On price, ads and device support there is nothing between them.
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. SOSSA sells 4 in-app purchases, starting at $0.99 per month. OPTIMISER POWER asks for nothing beyond the download.
OPTIMISER POWER ships an update fortnightly, SOSSA every 3 days. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.
| Parameter | OPTIMISER POWER | SOSSA |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Every 3 days โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 โ better | 15.1 |
| Further details โ not scored | ||
| Size | 39 MB | 146 MB |
| Age rating | 17+ | 4+ |
| Developer | Khalid BEY | Spoon DXB LLC FZ |
In-app purchases
OPTIMISER POWER
No in-app purchases
SOSSA
- Monthly Subscription$0.991 Month
- Monthly Subscription Sharing$2.991 Month
- Yearly Subscription$14.991 Year
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- Yearly Subscription Sharing$29.991 Year
Questions
Is OPTIMISER POWER free?
Is SOSSA free?
Do OPTIMISER POWER or SOSSA have ads?
Which is updated more often, OPTIMISER POWER or SOSSA?
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