# illūm vs Sierra Interactive

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.

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 15, 2026 respectively.

## The numbers

| Metric | illūm | Sierra Interactive |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (31 ratings)](https://appshunter.io/ios/app/illum/id1443661731/reviews) | **[4.8 (1.6K ratings)](https://appshunter.io/ios/app/sierra-interactive/id1458851463/reviews)** |
| Number of ratings | 31 | **1.6K** |
| Positive reviews | **100.0% of reviews** | 70.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free | Free |
| Size | 73 MB | 38 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tom Ferry - yourcoach](https://appshunter.io/developer/741075273) | [Sierra Interactive, LLC](https://appshunter.io/developer/1458851462) |

## What reviewers say

### illūm

[App page](https://appshunter.io/ios/app/illum/id1443661731)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### Sierra Interactive

[App page](https://appshunter.io/ios/app/sierra-interactive/id1458851463)

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.

**Highlights:** Instant lead notifications, Bulk email and text messaging, Integrated dialer for calls, Smart lead filtering, Lead context and history, Task and inbox management

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent mobile app experience
- 👍 User-friendly and intuitive interface
- 💡 Powerful lead management features
- 🚀 Seamless integration with CRM platform

**What reviewers complain about**

- 🐛 Buggy and unreliable call recording/note-taking
- 🔧 Limited customization options for statuses
- 🔧 Inability to use own phone number for calls/texts

**Reported bugs**

- Dialer screen blocks access to main app on larger devices
- Call list feature has issues with repeated calls and data loss

**Requested features**

- Live feed of recent website visitors
- Ability to view HotSheets on mobile app
- Spell check functionality


## Frequently asked questions

### Is illūm free?

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

### Is Sierra Interactive free?

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

### Which has better reviews, illūm or Sierra Interactive?

Sierra Interactive is rated higher. illūm averages 4.7 out of 5 from 31 ratings, while Sierra Interactive averages 4.8 from 1.6K ratings.

### Do illūm or Sierra Interactive have ads?

Neither illūm nor Sierra Interactive shows ads.

### Which is updated more often, illūm or Sierra Interactive?

illūm ships an update every 6 weeks, and Sierra Interactive every 6 weeks. Most recently, illūm was updated on September 27, 2026 and Sierra Interactive on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*