Comparison

OSiT vs Flex at Mosaic

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

Head to head

About

OSiT

Features

Read full description

Office Space in Town (OSiT) provide beautiful serviced office space to suit organisations of all sizes - right in the heart of the business centres of London including Blackfriars, Monument, Liverpool Street, Mayfair, St Paul’s, Waterloo and Euston. We also have exceptional office space in to rent in Cardiff, Northampton and Edinburgh. This is the official OSiT app and can be used by any registered client of OSiT. Our clients can access the OSiT app to: - Book meeting rooms and conferencing space at any OSiT centre - Keep up with the latest news and events - Browse the company directory to connect with fellow OSiT clients - Contact the Operations team - Use our referral platform

About

Flex at Mosaic

Features

Read full description

Your all-in-one app to manage your Mosaic space. Seamlessly manage your workspace experience with the Mosaic all-in-one app. Book meetings rooms and desks, access the latest news and updates, and navigate your workplace community through our comprehensive directory. Stay connected and productive with real-time notifications, amenity information, and exclusive member features - all at your fingertips.

Screenshots

OSiT4 screens

Flex at Mosaic4 screens

Verdict

The call

The clearest difference is update cadence: OSiT at every 3 months against Flex at Mosaic's every 7 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

OSiT ships an update every 3 months, Flex at Mosaic every 7 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 5 level

OSiT versus Flex at Mosaic: the parameters behind the verdict, then further details
Parameter	OSiT	Flex at Mosaic
Price	Free	Free
Update frequency	Every 3 months — better	Every 7 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone	iPhone
Requires iOS	17.0	17.0
Further details — not scored
Size	28 MB	31 MB
Age rating	4+	4+
Developer	Office Space in Town Limited	Jones Lang LaSalle Incorporated

In-app purchases

None

OSiT

No in-app purchases

None

Flex at Mosaic

No in-app purchases

Questions

Is OSiT free?

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

Is Flex at Mosaic free?

Flex at Mosaic is free to download, with no in-app purchases.

Do OSiT or Flex at Mosaic have ads?

Neither OSiT nor Flex at Mosaic shows ads.

Which is updated more often, OSiT or Flex at Mosaic?

OSiT ships an update every 3 months, and Flex at Mosaic every 7 months. Most recently, OSiT was updated on November 3, 2026 and Flex at Mosaic on October 31, 2026.