The Study Wizard vs Rounding Errors
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
The Study Wizard
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Make studying fun again with our interactive study timer. Gain XP and level up for every minute you study.
Rounding Errors
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Confidence is cheap. Judgment isn't. Rounding Errors is a two-minute daily round for clinicians. Dr. AI gives a confident, plausible answer to a real clinical question โ and your job is to add the human read it missed: the safety catch, the patient's story, the question you'd ask first, the thing it didn't consider. It's not a quiz and there's no score. It's a daily habit for the judgment that AI can't reproduce โ and a growing record of what you noticed. How a round works โข Read Dr. AI's answer โ clean, confident, and often incomplete. โข Add your read through one of five clinical lenses. โข See Dr. AI reflect on its own answer, then log your judgment. โข Tap Reflect to continue in Learner+ for reflective CME/CE credit. Features โข Daily Rounds โ one fresh case a day, plus topics drawn from your week. โข Create a Round โ start from any topic or question you're thinking about. โข On-device Dr. AI โ powered by Apple Intelligence; your notes never leave your phone. โข Your Judgment Chart โ a Discernment Fingerprint showing the lenses you reach for, and the ones you don't. โข Challenge Dr. Super Smart AI โ optionally pit your read against a frontier model on a single round. Private by design. Your written note stays on your device. Only a generalized question is ever used to generate an answer โ never your note. Reflective CME/CE credit is delivered by Learner+, a separate service. Rounding Errors is for clinical education only โ not medical advice, and not for emergencies or clinical care decisions.
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Verdict
The clearest difference is in-app purchases: The Study Wizard at none against Rounding Errors's 1. The Study Wizard also leads on iOS requirement (17.6 vs 26.5). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Rounding Errors sells 1 one-off in-app purchase. The Study Wizard asks for nothing beyond the download.
| Parameter | The Study Wizard | Rounding Errors |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 16 months | โ |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad โ better | iPhone |
| Requires iOS | 17.6 โ better | 26.5 |
| Further details โ not scored | ||
| Size | 2 MB | 17 MB |
| Age rating | 4+ | 17+ |
| Developer | Christopher Elliott | scad.io |
In-app purchases
The Study Wizard
No in-app purchases
Rounding Errors
- Challenge Dr. Super Smart AI$1.99
Questions
Is The Study Wizard free?
Is Rounding Errors free?
Do The Study Wizard or Rounding Errors have ads?
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