STAIR Coach vs Sofia Prime
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
STAIR Coach
This self-help course teaches evidence-based skills for managing emotions and improving relationships. It uses cognitive and behavioral techniques to help users cope with difficult feelings and navigate interpersonal challenges. The app offers interactive tools, educational content, and customizable reminders.
- Emotion management tools
- Interpersonal regulation skills
- Cognitive and behavioral techniques
- Psychoeducation content
- Customizable reminders
- Support quick links
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STAIR Coach is a free, self-help course based on Skills Training in Affective & Interpersonal Regulation (STAIR). STAIR is an evidence-based psychotherapy that uses cognitive and behavioral techniques to help with managing emotions and relationships. STAIR helps by teaching skills that improve coping with one’s emotions and navigating relationships. It can be useful for a range of people living with the aftermath of trauma, posttraumatic stress, and/or related concerns. The app includes interactive tools for emotion and behavior management, a training plan, in-depth psychoeducation, customizable reminders and quick links to support.
Sofia Prime
Plan and schedule classes directly from your mobile device. View class schedules, sign up for sessions, and access studio location information. Optimize your time and enhance convenience for class registration.
- View class schedules
- Sign up for classes
- Access studio location
- Optimize time
- Convenient registration
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Download the Veterans First App today to plan and schedule your classes! From this mobile App you can view class schedules, sign-up for classes, as well as view the studio’s location information. Optimize your time and maximize the convenience of signing up for classes from your device! Download this App today!
Screenshots
Verdict
The clearest difference is review sentiment: Sofia Prime at 100% against STAIR Coach's 50%. Sofia Prime also leads on rating (5.0 vs 4.2) and update cadence (every 5 weeks vs every 29 months). STAIR Coach's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Sofia Prime holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: STAIR Coach has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of STAIR Coach's written reviews are positive against 100% of Sofia Prime's.
STAIR Coach ships an update every 29 months, Sofia Prime every 5 weeks. The most recent releases landed on June 10, 2026 and September 2, 2026 respectively.
| Parameter | STAIR Coach | Sofia Prime |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (5 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 29 months | Every 5 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 — better | 14.0 |
| Further details — not scored | ||
| Size | 121 MB | 128 MB |
| Age rating | 12+ | 4+ |
| Developer | US Department of Veterans Affairs (VA) | Sofia Health, LLC |
Customer experience
STAIR Coach
Sofia Prime
In-app purchases
STAIR Coach
No in-app purchases
Sofia Prime
No in-app purchases









