Comparison

551 Madison vs C12 Community

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

Head to head

We move the world

About

551 Madison

Features

Read full description

This application is intended not only for employees that work in 551 Madison but for their visitors as well. Important information about the building is organized on the dashboard, which dynamically changes throughout the day. The app offers more functionality including forums, ability to request maintenance, events, information about companies in the building and about the building itself where you can find important contact, guides and documents. This app is created with cooperation with the building’s developer – Lexin Capital and is updated regularly. If you have any suggestions for improvement, if you find a bug, or just want to say hello, please write to us at support@sharryapp.com.

About

C12 Community

Read full description

Somos una comunidad colaborativa de líderes en logística, supply chain y movilidad en México. En esta App podrás conectar y compartir las experiencias de la comunidad C12, así como enterarte de los próximos eventos.

Screenshots

551 Madison4 screens

C12 Community4 screens

Verdict

The call

551 Madison and C12 Community 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

551 Madison ships an update every 2 months, C12 Community every 3 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

ScorecardNo meaningful differences

551 Madison versus C12 Community: the parameters behind the verdict, then further details
Parameter	551 Madison	C12 Community
Price	Free	Free
Update frequency	Every 2 months — better	Every 3 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	15.0 — better	15.6
Further details — not scored
Size	123 MB	85 MB
Age rating	4+	17+
Developer	Sharry Europe s.r.o.	SANTANEL ASOCIADOS SA DE CV

In-app purchases

None

551 Madison

No in-app purchases

None

C12 Community

No in-app purchases

Questions

Is 551 Madison free?

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

Is C12 Community free?

C12 Community is free to download, with no in-app purchases.

Do 551 Madison or C12 Community have ads?

Neither 551 Madison nor C12 Community shows ads.

Which is updated more often, 551 Madison or C12 Community?

551 Madison ships an update every 2 months, and C12 Community every 3 months. Most recently, 551 Madison was updated on October 27, 2026 and C12 Community on October 24, 2026.