Comparison

JG Underfloor vs Tracey.ai

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

Head to head

About

JG Underfloor

Control your home's underfloor heating system with this intuitive app. Manage thermostats and timers for ultimate zone control and easy configuration of both RF and hard-wired systems.

Highlights

Connect to John Guest thermostats
Manage timers
Zone control
Configure RF systems
Configure hard-wired systems
Intuitive user interface

Features

Read full description

The JG Underfloor APP is designed to be an easy to use, intuitive solution for connecting to the John Guest range of thermostats and timers. Used for both RF and hard wired systems the app provides the user with ultimate zone control and ease of configuration.

About

Tracey.ai

Features

Read full description

Tracey is a research app for participants in studies run by Tracey.ai. The application allows the research participants to upload the data they recorded to a safe cloud storage. With the user' permission the app locates the desired files and saves them to a dedicated folder on a research agency's repository.

Screenshots

JG Underfloor4 screens

Tracey.ai4 screens

Verdict

The call

The clearest difference is update cadence: Tracey.ai at every 2 weeks against JG Underfloor's every 22 months. JG Underfloor's advantage is iOS requirement (14.0 vs 17.5). 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

JG Underfloor ships an update every 22 months, Tracey.ai every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 6 level

JG Underfloor versus Tracey.ai: the parameters behind the verdict, then further details
Parameter	JG Underfloor	Tracey.ai
Price	Free	Free
Positive reviews	0.0% of reviews	—
Update frequency	Every 22 months	Every 2 weeks — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPod	iPhone, iPad
Requires iOS	14.0 — better	17.5
Further details — not scored
Size	226 MB	5 MB
Age rating	12+	4+
Developer	Reliance Worldwide Corporation	Tracey.ai s.r.o.

In-app purchases

None

JG Underfloor

No in-app purchases

None

Tracey.ai

No in-app purchases

Questions

Is JG Underfloor free?

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

Is Tracey.ai free?

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

Do JG Underfloor or Tracey.ai have ads?

Neither JG Underfloor nor Tracey.ai shows ads.

Which is updated more often, JG Underfloor or Tracey.ai?

JG Underfloor ships an update every 22 months, and Tracey.ai every 2 weeks. Most recently, JG Underfloor was updated on October 24, 2026 and Tracey.ai on October 25, 2026.