Comparison

rotronic vs Contractors @ SG

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

Head to head

HDB Renovation Contractors

Free

🔧 Utilities

No ratingsView app →

About

rotronic

Features

Read full description

A comprehensive portfolio that includes handheld instruments, measurement transmitters, industrial sensors, OEM products and data loggers. Rotronic measuring devices do service in the most varied areas of application: the pharmaceutical/foodstuff industries, ventilation/air-conditioning equipment, drying processes and measurement of moisture in paper, as well as in meteorology. From us, you buy guaranteed safety: validated software, and an officially accredited, GAMP/FDA conform calibration centre, and profit from a global sales and service network.

About

Contractors @ SG

Features

Read full description

Search and display the nearest HDB renovation contractors, their registration information, address, email and contacts.

Screenshots

rotronic4 screens

Contractors @ SG4 screens

Verdict

The call

The clearest difference is ads: rotronic at none against Contractors @ SG's shown. rotronic also leads on iOS requirement (8.1 vs 12.0). On price, update cadence, 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

rotronic ships an update monthly, Contractors @ SG every 5 weeks. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 4 level

rotronic versus Contractors @ SG: the parameters behind the verdict, then further details
Parameter	rotronic	Contractors @ SG
Price	Free	Free
Update frequency	Monthly — better	Every 5 weeks
Ads	No — better	Yes
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	8.1 — better	12.0
Further details — not scored
Size	5 MB	42 MB
Age rating	4+	4+
Developer	Rotronic AG	Novanet Solutions

In-app purchases

None

rotronic

No in-app purchases

None

Contractors @ SG

No in-app purchases

Questions

Is rotronic free?

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

Is Contractors @ SG free?

Contractors @ SG is free to download, with no in-app purchases.

Do rotronic or Contractors @ SG have ads?

Contractors @ SG shows ads; rotronic does not.

Which is updated more often, rotronic or Contractors @ SG?

rotronic ships an update monthly, and Contractors @ SG every 5 weeks. Most recently, rotronic was updated on October 8, 2026 and Contractors @ SG on October 12, 2026.