Comparison

Cathay vs Cleantech Forums

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

Head to head

About

Cathay

Features

Read full description

The Cathay Knowledge Sharing Platform A digital knowledge platform that empowers human interaction & collaboration One Global Team. One Mission. Dedicated to helping entrepreneurs and corporates solve their greatest challenges with hard work, persistence and sincerity. Your tailored startup flow Access hot startups curated for your needs by our global teams Disruptive business opportunities Foster partnership with latest hot startups and follow collaboration statuses Global Sector Knowledge Sharing Share and explore key knowledge via studies and events Spark new relations in collaboration groups with our ecosystem partners

About

Cleantech Forums

Features

Read full description

Cleantech Forum participants can download this app to engage with other participants, see the agenda, and much more. Download the app to unlock access to all the tools you need for a successful Forum.

Screenshots

Cathay4 screens

Cleantech Forums4 screens

Verdict

The call

The clearest difference is update cadence: Cleantech Forums at every 2 weeks against Cathay's every 13 months. 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

Cathay ships an update every 13 months, Cleantech Forums every 2 weeks. The most recent releases landed on September 8, 2026 and September 13, 2026 respectively.

Scorecard1 real difference · 5 level

Cathay versus Cleantech Forums: the parameters behind the verdict, then further details
Parameter	Cathay	Cleantech Forums
Price	Free	Free
Update frequency	Every 13 months	Every 2 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone	iPhone
Requires iOS	16.0 — better	17.0
Further details — not scored
Size	21 MB	72 MB
Age rating	17+	17+
Developer	Cathay Innovation SAS	CTG:I LLC

In-app purchases

None

Cathay

No in-app purchases

None

Cleantech Forums

No in-app purchases

Questions

Is Cathay free?

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

Is Cleantech Forums free?

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

Do Cathay or Cleantech Forums have ads?

Neither Cathay nor Cleantech Forums shows ads.

Which is updated more often, Cathay or Cleantech Forums?

Cathay ships an update every 13 months, and Cleantech Forums every 2 weeks. Most recently, Cathay was updated on September 8, 2026 and Cleantech Forums on September 13, 2026.