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Question banks
Is UWorld Enough for Step 2 CK? When a Second Question Bank Helps
Is UWorld alone enough for Step 2 CK? What the evidence says, who can stop at one bank, when a second bank helps and what to add for weak areas.
By MedPrep Institute Editorial Team · Published · 6 min read
UWorld is the default Step 2 CK question bank, and its Step 2 CK bank lists 4,250+ questions. Whether it is enough on its own is one of the most common questions students ask. The honest answer is: often, with caveats.
The short answer
Many students do well with UWorld as their main bank, paired with NBME and UWSA practice exams and careful review of misses. Even sources that sell competing banks say UWorld alone works for many candidates. A second bank is optional, and it helps most in specific cases.
Who can stop at UWorld
- You have a strong clerkship base and high baseline knowledge.
- You can protect full-time dedicated study.
- You review every explanation and re-test missed topics yourself.
When a second bank helps
- You keep missing the same concepts and are not re-testing them on a schedule.
- You finished UWorld, or most of it, and still have weak systems.
- You want different question styles or more volume in specific areas.
- You need a lower-cost way to extend practice time past your UWorld plan.
One caution from prep guides: a second bank that doubles your time without doubling your learning is not worth it. Choose it for a specific job.
What to add, and what it costs
Second-bank options for Step 2 CK
| Option | Published price | Best job |
|---|---|---|
| MedPrep Institute | $40 per month, $110 per 3 months, $400 per year; 7-day free trial | Adaptive weak-area review with spaced repetition built in |
| TrueLearn (Step 2 CK and shelf) | See its site; lists 4,100+ questions | Shelf practice and national benchmarking |
| AMBOSS | $378 for 6 months, $448 for 12 months | Library and score predictor with the questions |
| USMLE-Rx Qmax | $299 for 12 months (Step 1 and Step 2 CK) | Students already using First Aid |
A simple two-source plan
- Work through UWorld as your primary bank, by rotation if you can.
- Add MedPrep for daily adaptive practice on the concepts you keep missing.
- Take your practice assessments on the schedule in our NBME guide.
- Use the final weeks for timed, mixed blocks and your error log.
Try the free Step 2 CK sample questions first, then see the MedPrep Step 2 CK bank and our UWorld vs AMBOSS vs MedPrep comparison.
Frequently asked questions
Is UWorld enough for Step 2 CK?
For many students, yes, when paired with NBME and UWSA practice exams and careful review of misses. Students with weaker baselines or recurring weak areas often benefit from a second bank.
How many questions does UWorld have for Step 2 CK?
UWorld lists 4,250+ Step 2 CK questions.
Do I need two question banks for Step 2 CK?
No, but a second bank can help with weak areas, extra volume or spaced review.
What is the cheapest second question bank for Step 2 CK?
MedPrep Institute, at $40 per month or $110 for three months, with a 7-day free trial. USMLE-Rx's Qmax is $299 for 12 months.
Should I use AMBOSS and UWorld together?
Many students do. AMBOSS adds a library and score predictor, and you can use it as a second bank.
Is MedPrep a replacement for UWorld?
It is built differently, with adaptive practice and spaced repetition, and no self-assessments. Many students use it as a lower-cost second bank or as their main bank for daily practice.
Sources and disclaimers
Figures in this guide come from the USMLE program's published notices and from third-party summaries that we could not check against the primary source, and we say so where that applies. Standards, policies and score data change, so confirm current details on USMLE.org, ECFMG and NRMP before you plan around them. MedPrep Institute is our own product, and is not affiliated with or endorsed by NBME, FSMB, USMLE, ECFMG, NRMP, UWorld or any other company named here. All trademarks belong to their owners.