SOLAR ONE vs Eastman World
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SOLAR ONE
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SOLAR ONE can analyze the data reported by the inverter through big data analysis, and make statistical analysis on whether the inverter is online, power generation, power consumption, and on grid power at the minute level, so as to timely grasp the operation of the inverter.
Eastman World
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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
SOLAR ONE and Eastman World are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
SOLAR ONE ships an update every 4 months, Eastman World every 3 months. The most recent releases landed on October 30, 2026 and October 2, 2026 respectively.
| Parameter | SOLAR ONE | Eastman World |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 12.4 — better |
| Further details — not scored | ||
| Size | 347 MB | 72 MB |
| Age rating | 4+ | 17+ |
| Developer | Solar One | Chengdu E-Linter Information Technology Co., Ltd. |
In-app purchases
SOLAR ONE
No in-app purchases
Eastman World
No in-app purchases
