Ukiah vs PREP Self
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ukiah
This app allows project team members and system administrators of organizations using Epic Haiku to preview upcoming development. It requires administrator security within your organization and is not for clinical users.
- Preview upcoming development
- For Epic Haiku organizations
- Administrator access required
- System administrator tool
- Project team collaboration
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With Ukiah, project team members and system administrators of organizations using Epic Haiku can preview upcoming development before it is released to clinicians. To use this application, your organization must either be live on or installing Haiku. Additionally, you must have appropriate administrator security within your organization. If you are a clinical user of Epic Haiku, please be aware that you will not be able to access Ukiah. Instead, you should download the current version of Epic Haiku from the App Store.
PREP Self
Access trusted pediatric learning content through a new mobile app. Build a personalized question bank by selecting blocks from various content areas to fit your learning style and schedule. Earn CME credits and MOC points with each block.
- Trusted PREP content
- Customizable question bank
- Case-based questions
- Earn CME credits
- Earn MOC points
- Modern user interface
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Trusted PREP® Content, New Mobile App! For nearly 45 years, the PREP Self-Assessment Program has been a trusted source for pediatric learning and professional growth. Now, we're reimagining the experience. Meet PREP Blocks: A new, customizable way to access the same trusted PREP questions you know and value, designed to fit your learning style, pace, and schedule. • Enjoy a modern, user-friendly interface with a long-awaited mobile app and new desktop experience • Build a Question Bank by selecting blocks from content areas that match your goals • 20 case-based questions per block • Earn up to 4 AMA PRA Category 1 Credits™ and 4 MOC Part 2 Points with each block
Screenshots
Verdict
The clearest difference is rating: Ukiah at 5.0 against PREP Self's 3.7. Ukiah also leads on review sentiment (100% vs 67%). PREP Self's advantage is update cadence (daily vs every 3 weeks) and iOS requirement (15.6 vs 18.0). On price, ratings volume, 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.
Ukiah holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 7 and 9 respectively. Written reviews point the same way: 100% of Ukiah's written reviews are positive against 67% of PREP Self's.
Ukiah ships an update every 3 weeks, PREP Self daily. The most recent releases landed on October 14, 2026 and September 22, 2026 respectively.
| Parameter | Ukiah | PREP Self |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (7 ratings) — better | 3.7 (9 ratings) |
| Positive reviews | 100.0% of reviews — better | 66.7% of reviews |
| Number of ratings | 7 | 9 — better |
| Update frequency | Every 3 weeks | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 668 MB | 44 MB |
| Age rating | 17+ | 4+ |
| Developer | Epic | American Academy of Pediatrics |
Customer experience
Ukiah
PREP Self
In-app purchases
Ukiah
No in-app purchases
PREP Self
No in-app purchases
Questions
Is Ukiah free?
Is PREP Self free?
Which has better reviews, Ukiah or PREP Self?
Do Ukiah or PREP Self have ads?
Which is updated more often, Ukiah or PREP Self?
Other comparisons
