PassNote vs Recall Drill
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
PassNote
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Snap a photo β Mask the answers β Tap to reveal & memorize! PassNote is the easiest way to turn any textbook, notes, or PDF into a powerful memorization tool. Perfect for: β’ Students preparing for exams (college, certification, civil service) β’ Language learners memorizing vocabulary β’ Anyone who needs to memorize by repetition Key Features: β’ Photo & PDF Import: Snap a photo or import files instantly β’ Masking: Drag to create masks over key content. Tap to reveal, tap again to hide. β’ Study Mode: Pinch zoom, swipe pages, focus mode β’ Self-Test Mode: Grade yourself, then review only what you got wrong β’ Writing Tools: Pen, marker, eraser with line-straightening β’ iCloud Sync: Study on iPhone, review on iPad β seamlessly The digital version of the classic "red sheet" study method. Download free and start memorizing in 3 seconds. Note: The app interface is currently in Korean. English support coming soon! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Recall Drill
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Studying is not re-reading. It is retrieving. Recall Drill trains your exam material with active recall: register items, drill on a schedule, and weak items resurface before the exam date. Features β’ Register prompts and answers, drill by recall β’ Scheduled repetition β weak items come back first β’ Optional local reminders for drill time β’ No account, fully offline β your data stays on your device
Screenshots
Verdict
The clearest difference is in-app purchases: PassNote at none against Recall Drill's 1. Recall Drill's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support 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. Recall Drill sells 1 one-off in-app purchase. PassNote asks for nothing beyond the download.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.
| Parameter | PassNote | Recall Drill |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 17.0 | 15.0 β better |
| Further details β not scored | ||
| Size | 12 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | joonwon Chang | μν루ν |
In-app purchases
PassNote
No in-app purchases
Recall Drill
- Unlimited Decks$3.99
Questions
Is PassNote free?
Is Recall Drill free?
Do PassNote or Recall Drill have ads?
Which is updated more often, PassNote or Recall Drill?
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