MistakeAI vs WoofNote
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
MistakeAI
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MistakeAI is a study companion designed around one core job: turning your mistakes into a review system you can actually keep using. You can capture a problem with the camera or photo library, recognize the text with OCR, organize mistakes by subject and tags, and keep everything on your device by default. When you need deeper help, the subscription unlocks AI mistake analysis, weak-point summaries, knowledge graph views, export, and cross-device sync support. Main features: - Capture mistakes from camera or photos - OCR recognition with manual correction - Subject, tags, notes, and review scheduling - Local-first storage with optional iCloud sync - Face ID protection for private study records - AI mistake analysis and knowledge graph for subscribers Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
WoofNote
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WoofNote turns the questions you got wrong into your own review notes. Saw a question you missed on a test, glanced at it once, and moved on? You'll probably miss it again. Just snap a photo of the question you got wrong β AI reconstructs it into a review note and picks what to review each day based on the forgetting curve. [How to use] 1. Take a photo of the question you got wrong. 2. AI reconstructs it into a review note. 3. Each evening, review the questions due that day. [Why you'll love it] β’ Just add a photo β your questions are organized automatically. β’ Spaced repetition (SRS) brings each one back right before you forget it. β’ It tells apart what you know from what you don't, and reviews the hard ones more often. β’ A daily 6 PM reminder tells you what's due to review. Get a question wrong once, never again. Create your first review note now. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: MistakeAI at none against WoofNote's 3. On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. WoofNote sells 3 in-app purchases, starting at $3.99 per month. MistakeAI asks for nothing beyond the download.
| Parameter | MistakeAI | WoofNote |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Daily |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad β better | iPhone |
| Requires iOS | 17.0 | 16.4 β better |
| Further details β not scored | ||
| Size | 3 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | Geeker Technology (Sanhe) Co., Ltd. | Hyeon Jin Ko |
In-app purchases
MistakeAI
No in-app purchases
WoofNote
- WoofNote Pro (1 Month)$3.991 Month
- WoofNote Pro (3 Months)$7.993 Months
- WoofNote Pro (1 Year)$20.991 Year









