One Heddon St vs Grainhouse
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
One Heddon St
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One Heddon Street is Central London’s new home for business professionals, startups and entrepreneurs. With options from desk membership to full private offices, our members range from film production companies and headhunters to coders and fintechs. It’s a refreshing and eclectic mix, yet each member values the same things: style, substance and an ambience designed to propel their growth. Created by The Crown Estate, One Heddon Street draws on our wealth of experience in partnering with some of the world’s most successful businesses.
Grainhouse
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Provides mobile access and visitor passes for users and their guests, along with a social wall and events calendar to stay up to date with the latest building news.
Screenshots
Verdict
The clearest difference is device support: One Heddon St at 2 against Grainhouse's —. On price, update cadence, in-app purchases and iOS requirement 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
One Heddon St ships an update every 9 months, Grainhouse every 11 months. The most recent releases landed on October 29, 2026 and October 15, 2026 respectively.
| Parameter | One Heddon St | Grainhouse |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months — better | Every 11 months |
| Ads | No | — |
| In-app purchases | No | No |
| Devices | iPhone, iPod — better | — |
| Requires iOS | 13.4 | 13.0 — better |
| Further details — not scored | ||
| Size | 137 MB | 255 MB |
| Age rating | 4+ | 4+ |
| Developer | The Crown Estate Commissioners | SMART SPACES GLOBAL LTD |
In-app purchases
One Heddon St
No in-app purchases
Grainhouse
No in-app purchases
