Comparison

INVT Workshop vs Delta Drive Tool

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

INVT Workshop

Features

Read full description

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.

About

Delta Drive Tool

Features

Read full description

Delta Drive Tool provides an advanced interface for applications using Delta AC drives. It allows the user to read and modify system configuration, and performance while commissioning application. The user can also read diagnostic and real time data, troubleshoot the system and send system reports on demand.

Screenshots

INVT Workshop4 screens

Delta Drive Tool4 screens

Verdict

The call

The clearest difference is update cadence: INVT Workshop at every 3 weeks against Delta Drive Tool's every 7 months. INVT Workshop also leads on iOS requirement (10.0 vs 15.6). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

INVT Workshop ships an update every 3 weeks, Delta Drive Tool every 7 months. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 4 level

INVT Workshop versus Delta Drive Tool: the parameters behind the verdict, then further details
Parameter	INVT Workshop	Delta Drive Tool
Price	Free	Free
Update frequency	Every 3 weeks — better	Every 7 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	10.0 — better	15.6
Further details — not scored
Size	34 MB	27 MB
Age rating	4+	4+
Developer	深圳市英威腾电气股份有限公司	Delta Electronics, Inc.

In-app purchases

None

INVT Workshop

No in-app purchases

None

Delta Drive Tool

No in-app purchases

Questions

Is INVT Workshop free?

INVT Workshop is free to download, with no in-app purchases.

Is Delta Drive Tool free?

Delta Drive Tool is free to download, with no in-app purchases.

Do INVT Workshop or Delta Drive Tool have ads?

Neither INVT Workshop nor Delta Drive Tool shows ads.

Which is updated more often, INVT Workshop or Delta Drive Tool?

INVT Workshop ships an update every 3 weeks, and Delta Drive Tool every 7 months. Most recently, INVT Workshop was updated on September 9, 2026 and Delta Drive Tool on September 10, 2026.