999 3rd vs 100 William
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
999 3rd
Access building amenities, manage visitors, and discover local perks. Submit work orders, book meeting rooms, and stay informed about upcoming events. Your gateway to the full building experience.
- View upcoming events
- Submit work orders
- Unlock entries
- Book amenities
- Manage visitors
- Discover local perks
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The 999 3rd app is your passport to the building and everything it has to offer. The app allows you to see upcoming events, submit work orders, unlock entries, book amenities like meeting rooms, manage visitors, discover local perks, and much more.
100 William
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The 100 William Street app is your passport to the building and everything it has to offer. The app allows you to see upcoming events, book amenities like meeting rooms, manage visitors, discover local perks, and much more.
Screenshots
Verdict
999 3rd and 100 William 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 25, 2026 and September 14, 2026 respectively.
| Parameter | 999 3rd | 100 William |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (9 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 169 MB | 169 MB |
| Age rating | 4+ | 17+ |
| Developer | Equity Office Management, LLC | cove |
In-app purchases
999 3rd
No in-app purchases
100 William
No in-app purchases
