Comparison

imo video calls and chat HD vs Callimo

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

Head to head
About

imo video calls and chat HD

Connect with loved ones through free, encrypted text and video calls. Enjoy group chats, share photos and videos, and express yourself with free stickers. Stay in touch globally without SMS or phone call charges.

Highlights
  • Encrypted HD video and voice calls
  • Group video and voice calls (up to 6)
  • Unlimited free encrypted messages
  • Group chat functionality
  • Fast photo and video sharing
  • Hundreds of free stickers
Features
Read full description

Message and video chat with your friends and family for FREE, no matter what device they are on! - Encrypted high-quality Video and Voice calls - Encrypted Group Video and Voice calls with up to 6 participants - FREE and unlimited encrypted messages and video and voice calls over your 4G, 5G or Wi-Fi connection* - Group chat with friends, family, roommates and others - Fast photo and video sharing - Hundreds of free stickers! - Avoid SMS and phone call charges *Data charges may apply. Contact your provider for details. IMO PREMIUM MONTHLY SUBSCRIPTION - You can subscribe to remove ads from imo and get 25Gb of cloud storage. - Subscriptions are billed monthly at the rate selected depending on the subscription plan. - Subscriptions auto-renew at the cost of the chosen package, unless cancelled 24-hours in advance prior to the end of the current period. The subscription fee is charged to your iTunes account at confirmation of purchase. You may manage your subscription and turn off auto-renewal by going to your Account Settings after purchase. Per Apple policy, no cancellation of the current subscription is allowed during active subscription period. Once purchased, refunds will not be provided for any unused portion of the term. Privacy Policy: https://imoapp.com/privacy Terms of Service: https://imoapp.com/terms

About

Callimo

Connect with friends globally through fast, secure, and easy-to-use video calls and instant messaging. Create group chats to stay in touch with multiple people simultaneously.

Highlights
  • Instant messaging
  • Group chats
  • Secure communication
  • Easy-to-use interface
  • Video calls
Features
Read full description

Description: Callimo is a brand-new communication app designed to help you build closer connections with friends around the world. Whether you're looking to chat with like-minded people or stay in touch with friends, Callimo provides a relaxed, fast, and secure platform for communication. Key Features: 1. Instant Messaging – Send and receive messages instantly with a smooth, real-time chat experience. 2. Group Chats – Create group chats easily to connect with multiple friends at once. 3. Simple & Easy-to-Use Interface – Clean and intuitive design that makes messaging effortless.

Screenshots

imo video calls and chat HD3 screens
Callimo3 screens

Verdict

The call

The clearest difference is review sentiment: Callimo at 80% against imo video calls and chat HD's 18%. Callimo also leads on price (Free vs $6.99) and rating (4.4 vs 3.4). imo video calls and chat HD's advantage is ratings volume (75K vs 28) and chart position (#2 vs unranked). On 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

Callimo is free to download; imo video calls and chat HD costs $6.99 up front. imo video calls and chat HD sells 6 in-app purchases, starting at $9.99 per month. Callimo asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Callimo holds the better App Store score, 4.4 against 3.4. That said, the two scores are not equally well evidenced: imo video calls and chat HD has 75K ratings behind it against 28, so its average is the more settled of the two. Written reviews point the same way: 18% of imo video calls and chat HD's written reviews are positive against 80% of Callimo's.

UpkeepUpdate frequency

imo video calls and chat HD ships an update every 2 months, Callimo every 8 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

Scorecard9 real differences · 2 level
imo video calls and chat HD versus Callimo: the parameters behind the verdict, then further details
Parameterimo video calls and chat HDCallimo
Price$6.99Free — better
Rating3.4 (75K ratings)4.4 (28 ratings) — better
Positive reviews17.6% of reviews80.0% of reviews — better
Number of ratings75K — better28
Update frequencyEvery 2 monthsEvery 8 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
Best chart rank#2 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better16.0
Further details — not scored
Size18 MB6 MB
Age rating12+4+
DeveloperBaby PenguinAydonat Celebi

Customer experience

imo video calls and chat HD

All ratings74,779 ratings
Positive55.9%
Neutral8.3%
Negative35.9%
Written reviews466 reviews
Positive17.6%
Neutral3.0%
Negative79.4%

Callimo

All ratings20 ratings
Positive80.0%
Neutral5.0%
Negative15.0%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Bugs and requests

imo video calls and chat HD

Reported bugs

4 issues
  • Freezing and crashing
  • Unable to login or access account
  • Disappearing contacts and chat history
  • Incompatible with non-US phone numbers

Requested features

3 requests
  • Allow custom bubbles for quick responses
  • Improve FaceTime/video call quality
  • Add dark mode option

Callimo

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

imo video calls and chat HD

Subscriptions1
  • Premium Member$9.991 Month
One-time5
  • 100$0.99
  • 550$4.99
  • 1150$9.99
Show 2 more
  • 2900$24.99
  • 6000$49.99
None

Callimo

No in-app purchases

Questions

Is imo video calls and chat HD free?
imo video calls and chat HD costs $6.99, and also offers in-app purchases.
Is Callimo free?
Callimo is free to download, with no in-app purchases.
Which has better reviews, imo video calls and chat HD or Callimo?
Callimo is rated higher. imo video calls and chat HD averages 3.4 out of 5 from 75K ratings, while Callimo averages 4.4 from 28 ratings.
Do imo video calls and chat HD or Callimo have ads?
Neither imo video calls and chat HD nor Callimo shows ads.
Which is updated more often, imo video calls and chat HD or Callimo?
imo video calls and chat HD ships an update every 2 months, and Callimo every 8 days. Most recently, imo video calls and chat HD was updated on November 6, 2026 and Callimo on November 5, 2026.

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