Multi vs WORLD4SOLAR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Multi
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Based on graffiti WiFi, intelligent control of heat pump products
WORLD4SOLAR
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Photovoltaic power plant operation management, convenient and quick view of the power plant. Master the status of the power station in real time. Every day, every month, every year, the power generation is clear at a glance.
Screenshots
Verdict
The clearest difference is update cadence: WORLD4SOLAR at every 5 weeks against Multi's every 3 months. Multi's advantage is iOS requirement (11.0 vs 13.0). 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.
Multi ships an update every 3 months, WORLD4SOLAR every 5 weeks. The most recent releases landed on October 3, 2026 and October 12, 2026 respectively.
| Parameter | Multi | WORLD4SOLAR |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 36 MB | 85 MB |
| Age rating | 4+ | 4+ |
| Developer | Guangdong Chico Electronic Inc. | Chengdu E-Linter Information Technology Co., Ltd. |
In-app purchases
Multi
No in-app purchases
WORLD4SOLAR
No in-app purchases
