ACVR vs Spintuition
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ACVR
Access conference schedules, presentations, and exhibitor details. Take notes directly on slides, draw on content, and utilize in-app messaging for networking. Share information easily with colleagues and attendees.
- View conference schedule
- Access presentations and speaker details
- Take notes on slides
- Draw directly on presentation slides
- In-app messaging for attendees
- Share information via tweet and email
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The ACVR Events mobile application allows you to view the schedule, presentations, exhibitors and speaker details from the conference. Users can take notes adjacent available presentation slides and draw directly on slides inside the app. Note-taking is also available in the posters and exhibitors modules. Additionally, users can share information with attendees and colleagues with in app messaging, tweeting and emailing.
Spintuition
Explore interactive 3D visualizations of MRI spin dynamics for educational purposes. Control RF/gradients and spin behavior, view waveforms, and load pulseq sequences. Ideal for learning and teaching MRI principles.
- Interactive 3D MRI spin dynamics
- Control RF/gradients
- Direct spin dynamics control
- Waveform viewing
- Pulseq sequence loading and export
- Guided tours and examples
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Interactive, intuitive, 3D graphical representations of MRI spin dynamics to aid in teaching, learning and interpretation. Beginning with a quick tour and basic examples, users can advance to view waveforms, directly control RF/gradients, or directly control the spin dynamics for illustration. 3D vectors are rendered, and pulseq sequences (.seq) can be loaded/displayed/exported for compatibility other tools. Start by trying the 2 Minute Tour, then a Full Tour, then view at Basic Examples. Next try the Full View and/or Direct Control of spins. This assumes a basic knowledge of MRI, but ideally can accompany basic lectures. The first release is mostly designed for iPhone. The iPad layouts allow more space, and we will develop these further with user input. We welcome all feedback and can add features, though also trying to keep it reasonably lightweight!
Screenshots
Verdict
ACVR and Spintuition both sit at 4.7 stars, but that hides the real split: 100% of Spintuition's written reviews are positive against 0% of ACVR's. Spintuition also leads on update cadence (every 4 days vs every 12 months). ACVR's advantage is ratings volume (29 vs 2) and iOS requirement (15.5 vs 17.0). On price, rating, ads and in-app purchases 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.
ACVR holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: ACVR has 29 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 0% of ACVR's written reviews are positive against 100% of Spintuition's, so the app with the better star average is not the one people write more warmly about.
ACVR ships an update every 12 months, Spintuition every 4 days. The most recent releases landed on October 21, 2026 and October 26, 2026 respectively.
| Parameter | ACVR | Spintuition |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (29 ratings) — better | 4.5 (2 ratings) |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 29 — better | 2 |
| Update frequency | Every 12 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.5 — better | 17.0 |
| Further details — not scored | ||
| Size | 83 MB | 5 MB |
| Age rating | 17+ | 4+ |
| Developer | ACVR | BRIAN ANDREW HARGREAVES |
Customer experience
ACVR
Spintuition
In-app purchases
ACVR
No in-app purchases
Spintuition
No in-app purchases
