Comparison

Monmouth Telecom 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

Monmouth Telecom

Make and receive business calls from your mobile device, appearing as if you are in the office. Protect your personal number by displaying your corporate caller ID for outbound calls. Easily manage call forwarding with a single tap.

Highlights
  • Place and receive office calls on mobile
  • Mask personal phone number
  • Display corporate caller ID
  • Enable/disable call forwarding
  • Seamless office-to-mobile transition
Read full description

Break the chain to your desk! With this app you can place and receive calls on your cell phone as if you were sitting in the office. Your coworkers and clients will not know the difference if you are on the road or at your desk. With a single tap you can enable and disable call forwarding to your cell phone. Protect your personal cell phone number Often we are away from our office but need to place a work related phone call to a client. However, we do not want the client to learn our personal cell phone number. With this app the corporate caller id of your choice will appear when you place outbound calls. https://monmouth.com/privacy_policy

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

Monmouth Telecom3 screens
CellTrust SL24 screens

Verdict

The call

The clearest difference is review sentiment: Monmouth Telecom at 60% against CellTrust SL2's 20%. Monmouth Telecom also leads on rating (3.5 vs 3.2) and update cadence (every 3 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases 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

Monmouth Telecom holds the better App Store score, 3.5 against 3.2. Both are backed by a comparable volume of ratings — 12 and 27 respectively. Written reviews point the same way: 60% of Monmouth Telecom's written reviews are positive against 20% of CellTrust SL2's.

UpkeepUpdate frequency

Monmouth Telecom ships an update every 3 weeks, CellTrust SL2 every 2 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

Scorecard3 real differences · 7 level
Monmouth Telecom versus CellTrust SL2: the parameters behind the verdict, then further details
ParameterMonmouth TelecomCellTrust SL2
PriceFreeFree
Rating3.5 (12 ratings) — better3.2 (27 ratings)
Positive reviews60.0% of reviews — better20.0% of reviews
Number of ratings1227 — better
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.0 — better15.6
Further details — not scored
Size66 MB130 MB
Age rating4+4+
DeveloperMonmouth TelecomCellTrust Corporation

Customer experience

Monmouth Telecom

All ratings12 ratings
Positive58.3%
Neutral8.3%
Negative33.3%
Written reviews5 reviews
Positive60.0%
Neutral0.0%
Negative40.0%

CellTrust SL2

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

In-app purchases

None

Monmouth Telecom

No in-app purchases

None

CellTrust SL2

No in-app purchases

Questions

Is Monmouth Telecom free?
Monmouth Telecom 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, Monmouth Telecom or CellTrust SL2?
Monmouth Telecom is rated higher. Monmouth Telecom averages 3.5 out of 5 from 12 ratings, while CellTrust SL2 averages 3.2 from 27 ratings.
Do Monmouth Telecom or CellTrust SL2 have ads?
Neither Monmouth Telecom nor CellTrust SL2 shows ads.
Which is updated more often, Monmouth Telecom or CellTrust SL2?
Monmouth Telecom ships an update every 3 weeks, and CellTrust SL2 every 2 months. Most recently, Monmouth Telecom was updated on November 1, 2026 and CellTrust SL2 on November 6, 2026.

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