Comparison

Study Harbors vs MistakeBook

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Study Harbors

Features
Read full description

Study Harbors is a private course workspace for turning source material into an organized plan for learning. PLAN BY COURSE Create separate course workspaces with codes, exam dates, weekly time targets, and color identity. Break the work into learning objectives, then track urgency, priority, progress, and confidence without mixing unrelated classes together. KEEP EVIDENCE WITH THE CLAIM Capture a source title, locator, source type, summary, connection, and tags in one evidence note. Notes stay linked to their course so the context behind an idea remains available when it is time to review or write. PRACTICE RETRIEVAL Build questions from your own material and review them in Recall Studio. Reveal the source-backed answer, grade the effort, and let the on-device interval engine schedule the next review. Upcoming prompts remain visible so the queue is understandable rather than hidden. RUN FOCUSED STUDY BLOCKS Choose a course, name the intended result, and start the built-in focus timer. Afterward, record what changed. Seven-day charts and course allocation show where study time actually went compared with each weekly target. OWN THE RECORD Export a readable study packet, a focus-session CSV, or a complete JSON backup. Restore a backup when needed. Study Harbors requires no account and includes no ads or third-party analytics. Courses, objectives, evidence, recall schedules, and focus sessions stay on the device unless you deliberately share an export. Study Harbors is an organization and learning-practice tool. It does not complete assignments, guarantee outcomes, or replace guidance from an instructor.

About

MistakeBook

Log and review incorrect answers to improve learning. Organize mistakes by subject and topic, and utilize spaced repetition to reinforce weak areas. Track progress with visual charts and daily check-ins for effective test preparation.

Highlights
  • Log mistakes with photos and notes
  • Organize by subject and custom tags
  • Spaced repetition review mode
  • Ebbinghaus forgetting curve schedule
  • Progress charts and stats dashboard
  • Data import/export backup
Features
Read full description

Capture every wrong answer in seconds. Sort mistakes by subject, tag key topics, and build a personal error bankβ€”no account required. Preparing for midterms, finals, or standardized tests? Spaced review quizzes follow the forgetting curve so weak spots come back at the right time. See progress charts and daily check-ins to stay on track. β€’ Log mistakes with photos, notes, and difficulty tags β€’ Organize by subject, chapter, and custom tags β€’ Review mode: quiz, practice, and spaced repetition β€’ Ebbinghaus schedule for smarter recall β€’ Stats dashboard: mastery trends and weak areas β€’ Import/export backupβ€”data stays on your device Built for students who want a simple, private way to turn errors into higher scores.

Screenshots

Study Harbors4 screens
MistakeBook4 screens

Verdict

The call

The clearest difference is price: MistakeBook at $1.99 against Study Harbors's $2.99. MistakeBook also leads on iOS requirement (13.0 vs 17.0). On update cadence, ads, in-app purchases 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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Study Harbors costs $2.99 and MistakeBook $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Study Harbors ships an update fortnightly, MistakeBook monthly. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

Scorecard2 real differences Β· 6 level
Study Harbors versus MistakeBook: the parameters behind the verdict, then further details
ParameterStudy HarborsMistakeBook
Price$2.99$1.99 β€” better
Positive reviewsβ€”100.0% of reviews
Update frequencyFortnightly β€” betterMonthly
AdsNoNo
In-app purchasesNoNo
Monetizationβ€”Paid
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS17.013.0 β€” better
Further details β€” not scored
Size5 MB26 MB
Age rating4+4+
DeveloperRobert CorbinXiamen City Fanyou Network Technology Co., Ltd.

In-app purchases

None

Study Harbors

No in-app purchases

None

MistakeBook

No in-app purchases

Questions

Is Study Harbors free?
Study Harbors costs $2.99, with no in-app purchases.
Is MistakeBook free?
MistakeBook costs $1.99, with no in-app purchases.
Do Study Harbors or MistakeBook have ads?
Neither Study Harbors nor MistakeBook shows ads.
Which is updated more often, Study Harbors or MistakeBook?
Study Harbors ships an update fortnightly, and MistakeBook monthly. Most recently, Study Harbors was updated on October 7, 2026 and MistakeBook on October 1, 2026.

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