subflow vs Gromari
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
subflow
Create dynamic music visualizations for any setting. Control modes, speed, and beat patterns with intuitive screen gestures. Advanced users can leverage UDP and OS2L for complex control with DJ software.
- Gesture-based control for modes, speed, and beats
- Beat pattern customization
- UDP command sequencing
- OS2L integration with DJ software
- Color customization via long press
Read full descriptionHide full description
Crisp visualizations for your music stage or living room. Tap left or right edge of screen to change modes. Vertical swipes change speed. Tap the upper half of the screen several times to set a beat pattern. Tap the lower half to cancel or to add single beats. Horizontal swipes fine-tune the beat alignment. Long press will change color. You can also send more complex command sequences over UDP, and you can control via OS2L using most DJ software. See http://subflow.org/
Gromari
Immerse yourself in a digital art experience designed for mindfulness. Interact with unique artworks, enjoy accompanying soundscapes, and track your mindful moments, syncing them with your health data.
- Curated digital artwork collection
- Interactive art experiences
- Unique soundscapes and music
- Haptic feedback
- Mindful time tracking
- Apple Health sync
Read full descriptionHide full description
Gromari is a quiet space on your phone. Explore interactive digital artworks designed to help you relax, focus, and take a break from everyday distractions. Each artwork invites you to slow down and interact through touch, motion and haptics. There are no feeds to scroll, no likes to collect, and no notifications demanding your attention. Just art and a few quiet minutes for yourself. Use Gromari when you want to: • reset between tasks • take a short break • focus your attention • relax before bed • step away from social media • spend a few quiet minutes with art
Screenshots
Verdict
The clearest difference is review sentiment: Gromari at 100% against subflow's 67%. Gromari also leads on rating (4.7 vs 4.3). subflow's advantage is update cadence (every 6 days vs every 7 months) and ratings volume (17 vs 3). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Gromari holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: subflow has 17 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 67% of subflow's written reviews are positive against 100% of Gromari's.
subflow ships an update every 6 days, Gromari every 7 months. The most recent releases landed on September 9, 2026 and October 6, 2026 respectively.
| Parameter | subflow | Gromari |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (17 ratings) | 4.7 (3 ratings) — better |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 17 — better | 3 |
| Update frequency | Every 6 days — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Apple TV — better | iPhone |
| Requires iOS | 16.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 3 MB | 768 MB |
| Age rating | 4+ | 4+ |
| Developer | Ello Skelling Productions | Christoph Gromer |
Customer experience
subflow
Gromari
In-app purchases
subflow
No in-app purchases
Gromari
No in-app purchases









