Comparison

Gridphase vs TransMonitorApp

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

Head to head

Phase identification

Monitor transformer health

Free

🔧 Utilities

No ratingsView app →

About

Gridphase

Read full description

Introducing the Gridphase mobile application - your indispensable tool when working with the Gridphase handheld instrument. Designed to seamlessly integrate with your device, this app enhances its capabilities by enabling straightforward phase identification in power distribution networks. Gridphase mobile ensures that phase identification is just a tap away. Experience the synergy of your handheld instrument and mobile app working in perfect harmony, making your tasks simpler and more efficient.

About

TransMonitorApp

Features

Read full description

TransMonitor offers comprehensive monitoring solutions for distribution transformers. Stay informed about critical parameters, receive alerts, and ensure proactive maintenance. Join us in our mission for a sustainable future.

Screenshots

Gridphase4 screens

TransMonitorApp4 screens

Verdict

The call

Gridphase and TransMonitorApp 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

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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 12, 2026 and September 11, 2026 respectively.

ScorecardNo meaningful differences

Gridphase versus TransMonitorApp: the parameters behind the verdict, then further details
Parameter	Gridphase	TransMonitorApp
Price	Free	Free
Update frequency	Every 3 months	Every 3 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	12.0 — better	13.0
Further details — not scored
Size	57 MB	26 MB
Age rating	4+	4+
Developer	GRID INSTRUMENTS d.o.o.	Tarunkumar Purohit

In-app purchases

None

Gridphase

No in-app purchases

None

TransMonitorApp

No in-app purchases

Questions

Is Gridphase free?

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

Is TransMonitorApp free?

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

Do Gridphase or TransMonitorApp have ads?

Neither Gridphase nor TransMonitorApp shows ads.

Which is updated more often, Gridphase or TransMonitorApp?

Gridphase ships an update every 3 months, and TransMonitorApp every 3 months. Most recently, Gridphase was updated on September 12, 2026 and TransMonitorApp on September 11, 2026.