ProblemPath vs ContrastLab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ProblemPath
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ProblemPath helps you record math and physics work as step chains. Mark uncertain steps, branch alternate attempts, compare paths, add review notes, and export clean write-ups. The app does not provide answers or judge correctness.
ContrastLab
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ContrastLab-C helps you study similar ideas by writing why one fits, why the other almost fits, and what boundary separates them. Save each session as a Contrast Card, revisit your reasoning, and refine versions over time.
Screenshots
Verdict
ProblemPath and ContrastLab are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | ProblemPath | ContrastLab |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 2 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 30 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | grace hill | Sinem gul Kayar |
In-app purchases
ProblemPath
No in-app purchases
ContrastLab
No in-app purchases
Questions
Is ProblemPath free?
Is ContrastLab free?
Do ProblemPath or ContrastLab have ads?
Other comparisons
