PlanRepair vs ProofSketch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PlanRepair
Read full descriptionHide full description
PlanRepair guides user to rethink plans that didn’t work. They describe what happened, pick one repair approach, and write a small change. Each session creates a read-only Repair Card. Simple, calm, and focused on thinking.
ProofSketch
Read full descriptionHide full description
ProofSketch helps you structure mathematical proofs through theorem cards, linked proof steps, lemmas, dependency maps, revision history, and PDF export. It does not generate proofs, verify correctness, provide hints, or evaluate accuracy.
Screenshots
Verdict
PlanRepair and ProofSketch are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.
PlanRepair ships an update every 10 days, ProofSketch every 5 days. The most recent releases landed on August 13, 2026 and September 21, 2026 respectively.
| Parameter | PlanRepair | ProofSketch |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days | Every 5 days — better |
| 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 | 29 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Thanh Ngo Dinh | Simge nur Karadag |
In-app purchases
PlanRepair
No in-app purchases
ProofSketch
No in-app purchases
