Comparison

KOLLME vs TrustCall BD

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

Head to head
About

KOLLME

This app provides high-quality, secure, and affordable international voice calls using VOIP technology. It functions as a SIP-based soft phone, allowing users to connect with friends and family globally at low rates with crystal-clear quality. It integrates seamlessly with device contacts and works across various network types.

Highlights
  • High-quality international calls
  • Affordable call rates
  • Secure and reliable communication
  • SIP-based softphone
  • Works worldwide
  • Integrates with contacts
  • Crystal clear voice quality
Features
Read full description

With its simple and intuitive user interface, KOLLME is the solution to making high quality calls for a fraction of the cost. Utilizing the latest the latest advances in VOIP technology, you can be ensured that all your communications are secure and affordable. • KOLLME is a SIP-based soft phone. You can call your friends and family from KOLLME with lowest international call rates! And very good quality. KOLLME for iPhone, iPad and iPod Touch let you make voice call worldwide with the finest voice quality.. App Benefits: •Works from all over the world •Uses iPhone contacts •Crystal Clear Quality •Lowest International Rates •Satisfaction guaranteed! • SIP-based softphone with exceptional voice quality • Works from Wifi/3G/GSM • Support for DTMF • Easy contact book, call history. In addition to your cost savings, we offers: • Secure and reliable communication • Compatible with VOIP switches supporting standard SIP • Unique anti-block solution • Option to brand own dialer • Advance Echo Cancellation • Flexible integration with your phone book contacts • Screen display for your call history, call timer and balance

About

TrustCall BD

Make direct calls from your smartphone to traditional button phones without requiring internet on the receiver's end. Enjoy significant cost savings on calls, with clear HD voice and reliable connections. The app also offers group calling, messaging, and video calls.

Highlights
  • Direct calls to button phones
  • No internet required for receiver
  • Low per-call cost (0.40 poisha)
  • Pay per second
  • Save up to 70% on call costs
  • Free calls between TrustCall users
  • HD voice quality
  • Group calling, messaging, video calls
Features
Read full description

Call directly from your smartphone to button phones. No internet required on the receiver’s end Call any operator's number. Only 0.40 poisha per call. With a 1-second pulse, you only pay for the duration of your call. Save up to 70% on call costs. Trust Call to Trust Call is completely free. Smooth connection, HD voice, no call drops Group calling, messaging, and video calls—all in one app Download today. Call Smartly

Screenshots

KOLLME4 screens
TrustCall BD4 screens

Verdict

The call

The clearest difference is rating: KOLLME at 5.0 against TrustCall BD's 4.0. KOLLME also leads on in-app purchases (none vs 3) and update cadence (every 6 days vs monthly). On price, ratings volume, ads 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. TrustCall BD sells 3 one-off in-app purchases. KOLLME asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

KOLLME holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

KOLLME ships an update every 6 days, TrustCall BD monthly. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

Scorecard5 real differences · 5 level
KOLLME versus TrustCall BD: the parameters behind the verdict, then further details
ParameterKOLLMETrustCall BD
PriceFreeFree
Rating5.0 (1 ratings) — better4.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings12 — better
Update frequencyEvery 6 days — betterMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better13.0
Further details — not scored
Size20 MB193 MB
Age rating4+4+
DeveloperFour Square Technologies LtdTRUST Innovation Ltd

Customer experience

KOLLME

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

TrustCall BD

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

KOLLME

No in-app purchases

3 purchases

TrustCall BD

One-time3
  • TrustCall Tier 1$0.99
  • TrustCall Tier 2$1.99
  • TrustCall Tier 3$2.99

Questions

Is KOLLME free?
KOLLME is free to download, with no in-app purchases.
Is TrustCall BD free?
TrustCall BD is free to download, with in-app purchases available.
Which has better reviews, KOLLME or TrustCall BD?
KOLLME is rated higher. KOLLME averages 5.0 out of 5 from 1 ratings, while TrustCall BD averages 4.0 from 2 ratings.
Do KOLLME or TrustCall BD have ads?
Neither KOLLME nor TrustCall BD shows ads.
Which is updated more often, KOLLME or TrustCall BD?
KOLLME ships an update every 6 days, and TrustCall BD monthly. Most recently, KOLLME was updated on October 24, 2026 and TrustCall BD on October 23, 2026.

Other comparisons