INVT Workshop vs Grid Zero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
INVT Workshop
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INVT Workshop for iOS is an Inverter monitoring software developed based on mobile internet technology, through which user can monitor the inveter running state to obtain critical data on inveter state, function codes, faults, etc, and check device running conditions including faults, oscillography,etc.
Grid Zero
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GridZero helps EPC teams go from concept to client-ready solar proposals - faster and with precision. Combining 3D layouts, system optimization, financial analysis, and proposal generation into one continuous workflow. Designed for solar EPC professionals. GridZero is evolving to support the full solar project lifecycle. This app is exclusively available to existing GridZero B2B client organizations. Access is provisioned by GridZero for authorized team members.
Screenshots
Verdict
The clearest difference is update cadence: Grid Zero at weekly against INVT Workshop's every 3 weeks. INVT Workshop's advantage is iOS requirement (10.0 vs 15.1). 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.
INVT Workshop ships an update every 3 weeks, Grid Zero weekly. The most recent releases landed on September 26, 2026 and October 10, 2026 respectively.
| Parameter | INVT Workshop | Grid Zero |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 34 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | 深圳市英威腾电气股份有限公司 | Gridzero |
In-app purchases
INVT Workshop
No in-app purchases
Grid Zero
No in-app purchases
