WhatSub vs Rollin Concierge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WhatSub
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Welcome to WhatSub, your go-to subleasing iOS app for a seamless NYC apartment hunt experience! **Explore Listings** Discover your dream apartment effortlessly. Utilize our intuitive search functionality to explore listings, refine searches by neighborhood, and filter by subway lines, building amenities, and in-unit features. Finding your ideal home in the Big Apple has never been easier! **Detailed Information** Get all the details you need right at your fingertips! View comprehensive apartment details and connect directly with the lister for inquiries. WhatSub ensures you have the information you need to make informed decisions about your next home. **Create Your Listing** Whether you're subleasing your apartment or searching for roommates, WhatSub has you covered. Easily create and manage listings from your device. Our user-friendly interface lets you showcase your property, attracting potential sublessees effortlessly. **Favorites List** Enhance your apartment hunt experience by curating a favorites list. Keep track of the properties you love and streamline your decision-making process. Your dream home is just a tap away! **Profile Management** Tailor your experience by editing your profile. Seamlessly manage your listings, including the ability to edit and delete apartments you've listed. WhatSub gives you the control to navigate your property management journey with ease. **Real-Time Messaging** Connect with listers in real-time! Our integrated messaging system lets you communicate directly with the person who posted the listing. Experience swift and efficient communication for a hassle-free apartment hunting journey. Ready to elevate your apartment hunting game? Experience the future of subleasing with WhatSub. Download now and find your perfect NYC home!
Rollin Concierge
This app provides detailed accessibility information and ratings for local venues, going beyond basic checkboxes to offer transparent scores based on crucial factors. It helps users discover and plan outings with confidence, knowing exactly what to expect before they leave home.
- Venue accessibility scoring (0-100)
- Detailed accessibility breakdowns
- Live map with accessible spots
- Personalized accessibility filters
- Curated guides and collections
- Community-driven ratings
- Verified ROLLIN CERTIFIED badge
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You shouldn't have to find out at the door. Rollin scores 100,000+ places 0 to 100 on getting in and getting around, so you know before you leave home. Free, and you don't need an account. Restaurants, cafés, bars, shops, and outdoor spaces across New York, California, Texas, Illinois, Massachusetts, Florida, Pennsylvania, Ohio, Colorado, Georgia, North Carolina, South Carolina, New Jersey, Idaho and Washington DC. If we aren't where you are yet, searching tells you so instead of showing an empty map and letting you work it out. — OPEN THE NUMBER AND SEE WHAT IT'S MADE OF — Six things, because these are what decide whether an evening works: • Step-free entry • Wheelchair entry • Accessible bathroom • Accessible parking • Elevator • Wide aisles Each one is a tick, a cross, or a question mark. The question mark stays a question mark. A place nobody has assessed says so rather than showing a 0, and an empty record is never dressed up as good news. — WHAT THAT CHANGES, CONCRETELY — You're meeting someone at seven and three places look identical on the usual map. On Rollin one is 91: step-free entrance and accessible bathroom, both confirmed. One is 58: good entrance, no accessible bathroom, which is fine for a coffee and wrong for a long dinner. The third has never been assessed and says so, so you know it's a gamble before you take it rather than after. That's a decision. A tickbox that says "accessible: yes" is a coin toss. — IT WORKS AROUND WHAT YOU NEED — Tell Rollin which of the six matter to you and the whole map reorders. Your list stops being a list of places that work for somebody else. Skip the question and we never ask it again. Not only for wheelchair users. Step-free entry matters with a stroller, a walking stick, a bad knee, a suitcase. — HOW IT FEELS INSIDE, NOT JUST THE DOORWAY — Getting in is the first problem, not the only one. Places carry sound and light readings taken on the spot by somebody standing in the room, so you know whether it's loud and whether it's bright before you commit to an hour there. You can take a reading yourself from any place page. Hold your phone out for about 25 seconds. No audio is recorded or kept. — WHEN WE'RE WRONG, YOU CAN FIX IT — Been somewhere? Open it and say whether what we hold matches what you found at the door. Tick what's right, flag what changed. About twenty seconds, no account needed, and a person on our team reads every correction. — ALSO IN ROLLIN — • Search any place, cuisine or landmark, ranked by access and never by ad spend • Save the places that work, and hear about it when something changes • What's On: performances with ASL, audio description, captioning and sensory-friendly showings • Text size and reduce motion that live in the app, on top of your phone's own settings • VoiceOver that reads the rows. — WHO MADE IT — JoinRollin Inc, a small independent shop, not a growth machine. Every feature here shipped because somebody who lives this needed it to exist. Reports can be anonymous. We never sell your data and we never share your location with anyone else. Rollin is free, and you don't need an account to use it.
Screenshots
Verdict
WhatSub and Rollin Concierge are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.
| Parameter | WhatSub | Rollin Concierge |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (7 ratings) — better |
| Positive reviews | — | 75.0% of reviews |
| Number of ratings | — | 7 — better |
| Update frequency | — | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 12 MB | 30 MB |
| Age rating | 4+ | 12+ |
| Developer | Fang Yu Wu | David Sirota |
In-app purchases
WhatSub
No in-app purchases
Rollin Concierge
No in-app purchases









