Comparison

20Fen vs The Mark

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

Head to head

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The Mark development by Wates

Free

💼 Business

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About

20Fen

Features

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Stay up to date with your workplace environment, events, news, sustainability, and wellness features. Download the 20Fen app to be part of the Building Community. You will benefit from exclusive offers, promotions, discounts, can book events or order a coffee, plus be updated with information and get support from our onsite facilities management teams.

About

The Mark

Features

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The Mark will be a new mixed use, placemaking destination. Designed to last 200 years. The project will set a new standard in environmental performance. This iBid app will showcase the measures of success needed to deliver the most economically advantageous programme and leave a lasting legacy everyone connected to the project can be proud of.

Screenshots

20Fen4 screens

The Mark4 screens

Verdict

The call

The clearest difference is update cadence: The Mark at every 9 days against 20Fen's every 6 weeks. The Mark also leads on iOS requirement (12.0 vs 15.6). 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

20Fen ships an update every 6 weeks, The Mark every 9 days. The most recent releases landed on September 9, 2026 and September 12, 2026 respectively.

Scorecard2 real differences · 4 level

20Fen versus The Mark: the parameters behind the verdict, then further details
Parameter	20Fen	The Mark
Price	Free	Free
Update frequency	Every 6 weeks	Every 9 days — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	15.6	12.0 — better
Further details — not scored
Size	124 MB	300 MB
Age rating	4+	4+
Developer	H Properties Limited	Virtual Viewing Ltd

In-app purchases

None

20Fen

No in-app purchases

None

The Mark

No in-app purchases

Questions

Is 20Fen free?

20Fen is free to download, with no in-app purchases.

Is The Mark free?

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

Do 20Fen or The Mark have ads?

Neither 20Fen nor The Mark shows ads.

Which is updated more often, 20Fen or The Mark?

20Fen ships an update every 6 weeks, and The Mark every 9 days. Most recently, 20Fen was updated on September 9, 2026 and The Mark on September 12, 2026.