Raynaud vs AN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Raynaud
This app allows individuals experiencing Raynaud's symptoms to meticulously log their attacks. Users can document episodes as they happen or recall past events. It also offers a daily diary feature and customizable reminders for notifications.
- Real-time attack logging
- Retrospective attack reporting
- Daily RCS diary completion
- Customizable notification reminders
- Attack tracking for Raynaud's symptoms
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This application helps users with Raynaud symptoms track the attacks. Users can record their attacks in real-time or retrospectively report attacks they have experienced. Additionally, users can complete the RCS diary at the end of the day and set up a reminder to receive a notification.
AN
This research application allows study participants to interact with a wearable device for authorized research and evaluation. It offers custom scheduling, usage tracking, and various stimulation modes. Data collection is limited and requires a subject ID.
- Subject ID login
- Vibratory stimulation modes
- Customizable schedule
- Usage tracking
- Oura Cloud & Apple Health integration
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The Juno app is a special research app that allows study participants to interact with the study-versions of the Apollo wearable and is intended to be used for authorized research and evaluation use only. The app collects limited personally identifiable data and requires a subject ID to access it. Any data collected is described in the study documents you receive and are reviewed and approved by appropriate regulatory agencies, as needed. The Juno app features: Simplified subject ID based login and access control Seven distinct modes of vibratory stimulation designed to help the user reach their goals Ability to build a custom schedule to make Apollo part of a daily routine and improve adherence to study protocols Ability to track Apollo usage Ability to connect to Oura Cloud and Apple Health for biometric data collection, if needed as part of a study The feature set you may be asked to evaluate or use as part of the study you are participating in will be defined in the study documents (viz., consent, study materials) you receive.
Screenshots
Verdict
The clearest difference is rating: Raynaud at 5.0 against AN's 3.8. AN's advantage is update cadence (every 3 weeks vs every 5 months) and ratings volume (5 vs 1). On price, review sentiment, 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.
Raynaud holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: AN has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.
Raynaud ships an update every 5 months, AN every 3 weeks. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.
| Parameter | Raynaud | AN |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.8 (5 ratings) |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 1 | 5 — better |
| Update frequency | Every 5 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.4 | 13.1 — better |
| Further details — not scored | ||
| Size | 24 MB | 57 MB |
| Age rating | 12+ | 4+ |
| Developer | Bambang Parmanto | Apollo Neuro |
Customer experience
Raynaud
AN
In-app purchases
Raynaud
No in-app purchases
AN
No in-app purchases
