Comparison

Impact Key vs WCS2026

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

Head to head

To Co-Create Impact

About

Impact Key

Features

Read full description

Welcome to the official app for IMPACT WEEK 2026. Hosted in Singapore this September, IMPACT WEEK brings together global visionaries to share forward‑thinking ideas and reimagine our shared future. Download the app and get ready for IMPACT WEEK 2026.

About

WCS2026

Features

Read full description

The biennial World Cities Summit (WCS) is a platform for government leaders and industry experts to address liveable and sustainable city challenges, share integrated urban solutions and forge new partnerships. Jointly organised by Singapore’s Centre for Liveable Cities (CLC) and the Urban Redevelopment Authority (URA), key highlights of the Summit include the Mayors Forum, WCS Young Leaders Symposium, the Science of Cities Symposium, the Lee Kuan Yew World City Prize, and an exhibition. For more information, visit www.worldcitiessummit.com.sg

Screenshots

Impact Key4 screens

WCS20264 screens

Verdict

The call

The clearest difference is update cadence: Impact Key at every 4 days against WCS2026's every 2 weeks. Impact Key also leads on iOS requirement (13.0 vs 16.0). 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

Impact Key ships an update every 4 days, WCS2026 every 2 weeks. The most recent releases landed on September 6, 2026 and September 14, 2026 respectively.

Scorecard2 real differences · 4 level

Impact Key versus WCS2026: the parameters behind the verdict, then further details
Parameter	Impact Key	WCS2026
Price	Free	Free
Update frequency	Every 4 days — better	Every 2 weeks
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod — better	iPhone
Requires iOS	13.0 — better	16.0
Further details — not scored
Size	32 MB	48 MB
Age rating	4+	17+
Developer	Suzhou IMC Property Development Co., Ltd	Jublia

In-app purchases

None

Impact Key

No in-app purchases

None

WCS2026

No in-app purchases

Questions

Is Impact Key free?

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

Is WCS2026 free?

WCS2026 is free to download, with no in-app purchases.

Do Impact Key or WCS2026 have ads?

Neither Impact Key nor WCS2026 shows ads.

Which is updated more often, Impact Key or WCS2026?

Impact Key ships an update every 4 days, and WCS2026 every 2 weeks. Most recently, Impact Key was updated on September 6, 2026 and WCS2026 on September 14, 2026.