Comparison

Colog vs DuoArt

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

Head to head
About

Colog

Capture and share everyday moments with close friends and family in private, collaborative reels. This app focuses on genuine connections over public performance, offering an ad-free and follower-count-free experience.

Highlights
  • Capture photos and videos
  • Create private rolls for groups
  • Organize moments into shared reels
  • Invite friends to collaborate
  • Ad-free and no follower count
  • Build a living archive of life
Features
Read full description

colog is a social camera. capture everyday details with the people closest to you. create rolls for friends, roommates, trips, routines, or inside jokes. add photos and videos throughout the day, then revisit the moments as shared reels. colog is built for small circles, not public performance. no follower count. no ads. no polished feed. just the real details that make a day worth remembering. what you can do with colog: • capture photos into private rolls • organize moments into reels • invite friends to view or collaborate on shared rolls • keep up with your community without broadcasting to everyone • build a living archive of everyday life colog is currently invite-only as we gradually open access.

About

DuoArt

Collaborate on art in real-time with another user. Create drawing rooms, invite friends, and draw simultaneously on a shared canvas. Features include a lockscreen illusion for creative surprises and a history to revert to previous versions.

Highlights
  • Real-time collaborative drawing
  • Create and join drawing rooms
  • Lockscreen illusion effect
  • Multiple drawing tools
  • Drawing history and versioning
Features
Read full description

DuoArt is an innovative app for collaborative drawing that allows two users to create art together in real-time. This app is perfect for artists, designers, students, and anyone who loves creating ideas with others. Key Features: 1. Create Rooms: Users can easily create new drawing rooms. Choose the room background color and invite a friend to join. 2. Join Rooms: Enter the room code to join an existing room and start drawing together with other users. 3. Real-Time Drawing: Both users can draw simultaneously on the same canvas. All actions are synchronized in real-time, providing a smooth and interactive experience. 4. Lockscreen Illusion: Surprise your friends by drawing on what appears to be a locked screen, creating an illusion of creativity even when your device is locked. 5. Drawing Tools: The app offers a wide range of drawing tools, such as brushes, brush sizes, and more. 6. History and Versions: View the change history and revert to any previous version of the drawing if necessary. Who DuoArt is For: • Artists and designers for collaborative project creation. • Students and teachers for interactive lessons and workshops. • Friends and family for fun and creative time together. Download DuoArt now and explore new horizons of collaborative creativity! • Subscription gives you full access to the application. • Yearly subscription • All prices are subject to change without notice. Sometimes we use promotional prices as incentives or limited-time opportunities for qualified purchases made during the advertising period. Due to the time sensitivity and advertising nature of these events, we cannot offer price protection or retroactive discounts or refunds for previous purchases in the event of a price reduction or promotional offer. • Payment will be charged to iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. • The account will be charged for renewal within 24 hours before the end of the current period, as well as to determine the cost of renewal • Subscriptions can be managed by the user, and auto-renewal can be turned off by going to the user account settings after purchase. • Any unused portion of the free trial period, if one is offered, will be cancelled when the user acquires a subscription to this publication, where applicable. Privacy Policy: https://docs.google.com/document/d/1dwzXH9WMx7cjmAdetKp-CQexe-fXTDSnXpFii9uyvkY/ Terms of Service: https://docs.google.com/document/d/1Wu0T4aNiALbVnvMNq6xSBo0nMgxjnOvvQwWlRQsuwZ0/

Screenshots

Colog4 screens
DuoArt4 screens

Verdict

The call

The clearest difference is review sentiment: Colog at 100% against DuoArt's 2%. Colog also leads on rating (5.0 vs 2.9) and in-app purchases (none vs 2). DuoArt's advantage is ratings volume (230 vs 5). On price, update cadence, 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. DuoArt sells 2 in-app purchases, starting at $3.99 per 7 days. Colog asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Colog holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: DuoArt has 230 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 100% of Colog's written reviews are positive against 2% of DuoArt's.

UpkeepUpdate frequency

Colog ships an update every 8 days, DuoArt fortnightly. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

Scorecard5 real differences · 5 level
Colog versus DuoArt: the parameters behind the verdict, then further details
ParameterCologDuoArt
PriceFreeFree
Rating5.0 (5 ratings) — better2.9 (230 ratings)
Positive reviews100.0% of reviews — better1.9% of reviews
Number of ratings5230 — better
Update frequencyEvery 8 days — betterFortnightly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhoneiPhone, iPad — better
Requires iOS16.616.0 — better
Further details — not scored
Size104 MB19 MB
Age rating4+4+
DeveloperNess LCCNazarii Vovk

Customer experience

Colog

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

DuoArt

All ratings230 ratings
Positive46.5%
Neutral3.5%
Negative50.0%
Written reviews53 reviews
Positive1.9%
Neutral1.9%
Negative96.2%

In-app purchases

None

Colog

No in-app purchases

2 purchases

DuoArt

Subscriptions2
  • Weekly$3.997 Days
  • Annual3 Days trial$12.991 Year

Questions

Is Colog free?
Colog is free to download, with no in-app purchases.
Is DuoArt free?
DuoArt is free to download, with in-app purchases available.
Which has better reviews, Colog or DuoArt?
Colog is rated higher. Colog averages 5.0 out of 5 from 5 ratings, while DuoArt averages 2.9 from 230 ratings.
Do Colog or DuoArt have ads?
Neither Colog nor DuoArt shows ads.
Which is updated more often, Colog or DuoArt?
Colog ships an update every 8 days, and DuoArt fortnightly. Most recently, Colog was updated on November 3, 2026 and DuoArt on November 8, 2026.

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