QMaxs vs NIPPON AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QMaxs
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TESTCOO was established in 2015, industry’s first “Internet Plus Inspection” third party service platform. With aim to serve global demand of quality assurance, Testcoo provides inspection, testing, certification and audit services to “Sell Global” and “Buy Global” customers. With its innovative tools, optimum quality guarantees and low-cost prices, Testcoo changes the traditional inspection business model, reshapes the industry’s ecosystem and ignite the new era of e-inspection. Contact Us Feedbacks: service@testcoo.com Customer service: +8618038155583 Website: www.testcoo.com
NIPPON AI
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The Nippon AI Solar Inverter App is engineered to support professionals throughout the installation, operation, monitoring, and maintenance of Nippon AI solar inverters. With a user-friendly, intuitive interface, the app allows installers and service teams to seamlessly connect and manage inverters via Wi-Fi and/or Bluetooth. Designed as a comprehensive O&M ecosystem, the app delivers an extensive suite of features, including routine maintenance support, real-time performance monitoring, intelligent alarm diagnostics, parameter configuration, log downloads, and secure firmware upgrades. The platform also integrates enhanced remote control capabilities, advanced statistical analysis, expanded visual displays, and smart alarm notifications for proactive maintenance. Leveraging Nippon AI’s advanced AI engine, the app provides Auto Problem Diagnosis and AI-Driven Troubleshooting, enabling the system to automatically detect, analyze, and recommend solutions for inverter and system faults. The integrated Human Assistance module allows installers and operators to instantly access expert support, technical guidance, and tailored problem-resolution steps. In addition, the app intelligently calculates device-level and plant-level energy generation, efficiency ratios, and performance trends. It can rapidly pinpoint fault locations across the system, empowering O&M personnel to resolve on-site issues with maximum speed and accuracy. By seamlessly integrating with the broader NipponAI.io digital platform, users gain access to cloud-based monitoring, historical data analytics, remote management, and AI-enhanced performance optimization—making the Nippon AI Solar Inverter App a powerful, end-to-end tool for modern solar operations.
Screenshots
Verdict
The clearest difference is update cadence: QMaxs at every 6 weeks against NIPPON AI's every 4 months. QMaxs also leads on iOS requirement (13.0 vs 15.0). 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.
QMaxs ships an update every 6 weeks, NIPPON AI every 4 months. The most recent releases landed on September 10, 2026 and September 6, 2026 respectively.
| Parameter | QMaxs | NIPPON AI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 69 MB | 136 MB |
| Age rating | 4+ | 17+ |
| Developer | Ningbo Jialian Network Technology Co., Ltd. | 鑫 俞 |
In-app purchases
QMaxs
No in-app purchases
NIPPON AI
No in-app purchases









