Comparison

Kelvin TOP vs Ecostat

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

Head to head
About

Kelvin TOP

Features
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Solve Problems and Investigate All Types of Incident. Based on the proven Kelvin TOP-SET Incident Investigation System, this App guides you through the step by step process and helps you quickly and effectively get to the real root causes of incidents and to make recommendations to prevent recurrence. Know what you are investigating – Write an accurate Incident Statement to give you and your team the right direction. Plan your investigation using the TOP-SET Indicators (T – Technology, O – Organisation, P – People, S – Similar Events & T – Time). Efficiently use resources to gather data related to your investigation. Investigate: Guide your investigation and use as a prompt / tool to ensure ‘nothing gets missed’. Advice is given at key stages to keep you on track. Analyse your Investigation findings using the TOP-SET Root Cause Analysis approach; with helpful tips to establish validity of your Immediate, Underlying and Root Causes. Report and Recommendations: Making evidence-based recommendations is an essential part of the Incident Investigation Process. Advice on how best to make these and what a good Incident Investigation Report should contain is given. The TOP-SET App designed ‘by Investigators for Investigators’ who have attended a Kelvin TOP-SET Course is an essential Incident Investigation Tool to keep with you always.

About

Ecostat

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Ecostat is primarily a secure online data service available to any organisation that measures air quality or other environmental data • Online calibration and log entries • Acquisition of data from remote monitoring sites • Online reports and graphs including wind roses and pollution roses • Real-time data feeds from remote instruments

Screenshots

Kelvin TOP3 screens
Ecostat4 screens

Verdict

The call

Kelvin TOP and Ecostat 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 2 months. The most recent releases landed on September 19, 2026 and September 8, 2026 respectively.

ScorecardNo meaningful differences
Kelvin TOP versus Ecostat: the parameters behind the verdict, then further details
ParameterKelvin TOPEcostat
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size35 MB37 MB
Age rating4+4+
DeveloperKelvinTOPSETNetgen (Pty) Ltd

In-app purchases

None

Kelvin TOP

No in-app purchases

None

Ecostat

No in-app purchases

Questions

Is Kelvin TOP free?
Kelvin TOP is free to download, with no in-app purchases.
Is Ecostat free?
Ecostat is free to download, with no in-app purchases.
Do Kelvin TOP or Ecostat have ads?
Neither Kelvin TOP nor Ecostat shows ads.
Which is updated more often, Kelvin TOP or Ecostat?
Kelvin TOP ships an update every 2 months, and Ecostat every 2 months. Most recently, Kelvin TOP was updated on September 19, 2026 and Ecostat on September 8, 2026.

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