# Colog vs DuoArt

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.

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.

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.

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

## The numbers

| Metric | Colog | DuoArt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/colog/id6444775416/reviews)** | [2.9 (230 ratings)](https://appshunter.io/ios/app/duoart-lockscreen-drawing/id6504831207/reviews) |
| Number of ratings | 5 | **230** |
| Positive reviews | **100.0% of reviews** | 1.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Fortnightly |
| Monetization | **Free** | Subscription |
| Size | 104 MB | 19 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ness LCC](https://appshunter.io/developer/1656759780) | [Nazarii Vovk](https://appshunter.io/developer/1723889767) |

## What reviewers say

### Colog

[App page](https://appshunter.io/ios/app/colog/id6444775416)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### DuoArt

[App page](https://appshunter.io/ios/app/duoart-lockscreen-drawing/id6504831207)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Annual | $12.99 | per year |

**What reviewers complain about**

- 💰 Requires payment to use basic features
- 🤔 Confusing and difficult to use
- 🚫 Doesn't work as expected
- 💸 Expensive subscription
- ⚠️ Potential scam


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*