illūm vs Sierra Interactive
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
illūm
Access private coaching sessions, live and on-demand training, and a resource library with scripts and templates. Connect with a global community of agents, practice role-playing, and track your daily activity metrics.
- One-on-one coaching sessions
- Live and on-demand training library
- Video streaming of shows and podcasts
- Downloadable scripts and templates
- Global agent community network
- Video role-playing practice
- Activity and goal tracking
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Video Coaching Calls* + Access private one-on-one coaching sessions to develop, grow, and maintain your personalized roadmap for success. + Live and OnDemand Trainings* + Join live weekly webinars or browse the hundreds of recorded trainings, virtual events, or online courses available in the training library. Video Streaming + Access your favorite Tom Ferry Show, Podcast, or Monday Mindset episode direct from your phone. Resource Library + Search and download hundreds of scripts, templates, presentations, checklists and more. Community Network + Find and connect with agents across the globe. Video Role Play* + Simply login to connect and perfect your scripts with your peers. Activity Tracking + Track appointment and conversation metrics against daily goals with ease. *Exclusive benefit to Tom Ferry Training and Coaching Members.
Sierra Interactive
Manage real estate leads and client interactions efficiently from anywhere. This app offers instant notifications, bulk communication tools, and detailed lead insights to streamline your workflow on the go.
- Instant lead notifications
- Bulk email and text messaging
- Integrated dialer for calls
- Smart lead filtering
- Lead context and history
- Task and inbox management
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Sierra Interactive is the most powerful end-to-end real estate platform available. Now you can leverage your lead management from anywhere with the Sierra mobile app: ** Instant Notifications, Based on Your Preferences. – Your in-app notification feed displays the information that you want it to display – including options for new lead assignments, anytime a lead saves a property or requests more information, and much more. Quickly manage your notification types and methods from inside the app. ** Save Time with Powerful Bulk Actions. – Send mass text messages, mass emails, bulk assign and unassign action plans and drip campaigns, and create a call list to more effectively call your leads. ** Connect by Voice by Creating a Call List. – Add selected leads to a call list, then use the integrated Dialer to work the phones. The call list feature integrates seamlessly across the web app and the mobile app, so you can even start in the office then head out the door – without missing a beat. ** Quickly Search Your Database for Any Lead. – The mobile app lead search experience is essentially identical to the quick lead search in the web app. Then, if you have a new lead to add, do it with ease in the mobile app’s Add Lead screen. ** View & Manage Leads by Smart Filter. – Quickly toggle from smart filter to smart filter to view and manage assigned leads and pond leads. The smart filters will exactly reflect the ones you’ve added to your web app account. ** Get the Quick Context with Contextables. – Tap to reveal a bit more insight to your leads with lead contextables. You’ll see, when applicable, a lead’s short summary, recent search location, frequent price range, saved properties, properties viewed, and last site visit, or simply their registration date. ** Get the Bigger Picture in the Lead Detail Page. – View each lead’s full communication history, edit their profile, manage tasks and action plans, and so much more in the lead detail page. ** Communicate by Phone, Text, Email, & More. – Individually manage your leads by sending an email, shooting a text, making a call, adding a note, assigning a task, and adding an on-site message. Take advantage of the fully integrated Dialer for making calls and sending texts. ** Achieve Inbox Zero, Even While on the Go. – Manage your showing requests, requests for more info, and incoming emails, texts, and calls from the Inbox. Make sure you never miss an inbound communication from your lead, and respond from anywhere. ** Knock Out Your To-Do List from Anywhere. – Plow through all of your tasks – calls, emails, texts, on-site messages, and anything else you’ve got to do – in the Task Manager. ** Stellar Support, by Email or by Phone. – Have a question or run into a problem? Our customer success team is here to help. Tap to email or call anytime from your in-app profile. ===== Here’s what others are saying about the Sierra mobile app experience: “Perfect!!!” – Gerard Hagan [BestEdmontonRealEstate.com] “I have been using the Sierra mobile app for some time now and I have to say it is "The Best" mobile app I have used with a CRM platform. It has really helped me stay in touch and follow up faster while going in between appointments.” – Brandon Duncan [DuncanPrimeRealty.com] “The new Sierra app has made staying in touch with new leads, hot leads, and current clients so much easier. Thank you for this game-changing technology.” – Lisa Treu [TreuGroup.com] “As the team leader, I can monitor lead activity, showing requests, and other notifications easily, no matter where I am day or night.” – Buddy Blake [BuddyBlake.com] “We've been testing the app now for 6+ months and have had a front row seat to the thoughtful approach the Sierra team has taken to make this a powerful mobile tool for agents and ISA's. Total game changer!” – Mike Novak [HousesWA.com] ===== Enjoy less hassle, and more success, with the Sierra mobile app.
Screenshots
Verdict
illūm and Sierra Interactive both sit at 4.7 stars, but that hides the real split: 100% of illūm's written reviews are positive against 70% of Sierra Interactive's. illūm also leads on iOS requirement (12.4 vs 15.1). Sierra Interactive's advantage is ratings volume (1.6K vs 31). On price, rating, update cadence and ads 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.
On the App Store both sit at effectively the same score — 4.7 for illūm against 4.8 for Sierra Interactive. That said, the two scores are not equally well evidenced: Sierra Interactive has 1.6K ratings behind it against 31, so its average is the more settled of the two. Written reviews are what separate them: 100% of illūm's written reviews are positive against 70% of Sierra Interactive's.
Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 27, 2026 and October 11, 2026 respectively.
| Parameter | illūm | Sierra Interactive |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (31 ratings) | 4.8 (1.6K ratings) — better |
| Positive reviews | 100.0% of reviews — better | 70.0% of reviews |
| Number of ratings | 31 | 1.6K — better |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.4 — better | 15.1 |
| Further details — not scored | ||
| Size | 73 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Tom Ferry - yourcoach | Sierra Interactive, LLC |
Customer experience
illūm
Sierra Interactive
Bugs and requests
illūm
Not enough reviews yet to summarise bugs or requests.
Sierra Interactive
Reported bugs
2 issues- Dialer screen blocks access to main app on larger devices
- Call list feature has issues with repeated calls and data loss
Requested features
3 requests- Live feed of recent website visitors
- Ability to view HotSheets on mobile app
- Spell check functionality
In-app purchases
illūm
No in-app purchases
Sierra Interactive
No in-app purchases









