Comparison

Redtail CRM vs CellTrust SL2

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Redtail CRM

Manage client relationships with access to contact information, calendar items, and CRM capabilities on the go. Stay connected to clients, prospects, and your team with features for scheduling, communication, and data management.

Highlights
  • Access client contact information
  • Manage calendar and schedule activities
  • View and edit contact details
  • Add notes to contact records
  • Communicate with contacts via phone/email
  • Track client opportunities
Features
Read full description

Access the day-to-day contact information, calendar items, and CRM capabilities necessary for you to manage your client relationships whether you’re in the office, on the road, up in the air, or walking the family dog. Redtail CRM was founded in 2003 as the first cloud-based CRM tailored specifically for advisors to provide anywhere, anytime access to their data and processes, an essential need in our increasingly connected world. Redtail CRM’s companion app aims to provide you with many of the tools from the CRM you access from desktop or laptop, in order that your ability to service your clients effectively remains consistent, no matter the device you are currently using or where you find yourself. If you aren’t already a Redtail CRM subscriber, we welcome you to take advantage of our 30-day free trial! The Redtail CRM app is free-to-use for subscribers. Using the Redtail CRM app, you can stay on top of meetings and opportunities and stay connected to your clients, your prospects and your team: Access your Redtail calendar, as well as the calendar of your other database users. View individually or view multiple users’ calendars at once. See your calendar in Day, Month, or Week (with expandable agenda view for each day of the week) views. Expand your activities to a card view on the today page to view relevant details. Quick completion or edit options are accessible from an activity’s card view (or with a left swipe on a non-expanded card). Create, edit, assign, complete and/or delete activities. The date picker for activities features days of the week along with the date in order to facilitate ease of selection. Add contacts and/or attendees to new activities. Edit contacts and/or attendees on existing activities. Easily access your Contacts A-Z page and your recently viewed contacts, or search your entire database of contacts. Quickly access your contacts’ activities, notes, accounts, contact card and details, important information, keywords and tag groups. Be prepared for every meeting, whether it occurs by schedule or by chance. Reach out to your contacts via phone, text or primary email from any page within their contact record. Click a contact’s address to access Maps and driving directions. Add notes to contact records. Adding notes during or directly after a client interaction allows you to document what is important before it can slip from your mind. This also means you aren’t leaving this all-important task to the end of the day, when there may be competing pressures for your attention. Add or edit activities, phone numbers, email addresses, physical addresses, social media addresses and/or website addresses for your contacts. View, edit or add new opportunities to your CRM. About Redtail Technology: Founded in 2003, Redtail Technology is a leading provider of web-based Client Relationship Management (CRM), compliant text messaging solutions (Redtail Speak), paperless office, and email archiving solutions in the financial services industry. The company is dedicated to helping advisors efficiently grow their firms by providing them with the core technologies that drive their day-to-day operations, offering low cost and easy to implement applications and integrating with many of the industry's most widely used applications. As a pioneer in the financial technology industry, Redtail is committed to providing advisors exceptional customer service and strives to contribute in meaningful ways to its local communities in California, Arizona, and Georgia.

About

CellTrust SL2

This app provides a dedicated business number for your mobile device, separating personal and professional communications. It utilizes secure technologies for internal messaging and voice calls, ensuring compliance and eDiscovery readiness for enterprises.

Highlights
  • Assign dedicated Mobile Business Number (MBN)
  • Separate personal and business communications
  • SecureSMS® and SecureVoice™ technologies
  • Secure internal communications
  • eDiscovery and compliance support
  • BYOD handset compatibility
Features
Read full description

CellTrust SL2™ is an enterprise-level application that works by assigning a Mobile Business Number (MBN) to keep personal and business communications separate on a single, Bring Your Own Device (BYOD) handset, enabling communications without using the employee’s personal telephone number. Built on CellTrust’s SecureSMS® and SecureVoice™ technologies, this seamless solution also enables a secure connection for internal communications between SL2 users. This application is vital for enterprise communications that need to meet eDiscovery and compliance requirements. Any names or other personal data displayed are fictional and not based on real individuals. For use under patents: https://www.celltrust.com/SL2patents.

Screenshots

Redtail CRM4 screens
CellTrust SL24 screens

Verdict

The call

The clearest difference is review sentiment: Redtail CRM at 71% against CellTrust SL2's 20%. Redtail CRM also leads on rating (4.6 vs 3.2) and update cadence (fortnightly vs every 2 months). CellTrust SL2's advantage is monetization model (free vs free with in-app purchases). On price, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Redtail CRM holds the better App Store score, 4.6 against 3.2. That said, the two scores are not equally well evidenced: Redtail CRM has 695 ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 71% of Redtail CRM's written reviews are positive against 20% of CellTrust SL2's.

UpkeepUpdate frequency

Redtail CRM ships an update fortnightly, CellTrust SL2 every 2 months. Both last shipped on November 2, 2026.

Scorecard6 real differences · 4 level
Redtail CRM versus CellTrust SL2: the parameters behind the verdict, then further details
ParameterRedtail CRMCellTrust SL2
PriceFreeFree
Rating4.6 (695 ratings) — better3.2 (27 ratings)
Positive reviews70.9% of reviews — better20.0% of reviews
Number of ratings695 — better27
Update frequencyFortnightly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size30 MB130 MB
Age rating4+4+
DeveloperRedtail Technology, Inc.CellTrust Corporation

Customer experience

Redtail CRM

All ratings675 ratings
Positive91.3%
Neutral4.0%
Negative4.7%
Written reviews86 reviews
Positive70.9%
Neutral9.3%
Negative19.8%

CellTrust SL2

All ratings27 ratings
Positive55.6%
Neutral0.0%
Negative44.4%
Written reviews5 reviews
Positive20.0%
Neutral0.0%
Negative80.0%

Bugs and requests

Redtail CRM

Reported bugs

3 issues
  • Calendar won't load
  • Crashes when adding events
  • Navigation button blocked by graphic

Requested features

8 requests
  • Search feature for client notes
  • Birthdays shown in notifications
  • Kanban view for opportunities
  • Integration with Zimbra Calendar
  • Face ID support
Show 3 more
  • Version information and update check
  • Filters for contact search
  • Dark mode

CellTrust SL2

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Redtail CRM

No in-app purchases

None

CellTrust SL2

No in-app purchases

Questions

Is Redtail CRM free?
Redtail CRM is free to download, with no in-app purchases.
Is CellTrust SL2 free?
CellTrust SL2 is free to download, with no in-app purchases.
Which has better reviews, Redtail CRM or CellTrust SL2?
Redtail CRM is rated higher. Redtail CRM averages 4.6 out of 5 from 695 ratings, while CellTrust SL2 averages 3.2 from 27 ratings.
Do Redtail CRM or CellTrust SL2 have ads?
Neither Redtail CRM nor CellTrust SL2 shows ads.
Which is updated more often, Redtail CRM or CellTrust SL2?
Redtail CRM ships an update fortnightly, and CellTrust SL2 every 2 months. Most recently, Redtail CRM was updated on November 2, 2026 and CellTrust SL2 on November 2, 2026.

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