Comparison

Concise vs Study Sanctuary

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

Head to head
About

Concise

Enhance your writing with private, on-device analysis. Get instant feedback on readability, sentence structure, passive voice, and word choice to create clearer, sharper text.

Highlights
  • On-device writing analysis
  • Readability grade and reading time
  • Detection of hard sentences and passive voice
  • Suggestions for adverbs and complex words
  • Highlights wordy phrases
  • Local saved drafts
  • Offline analysis
Read full description

Concise helps you write clearer, sharper, easier-to-read text. Paste or type your writing and get instant private feedback on readability, hard sentences, passive voice, adverbs, complex words, wordy phrases, and weak qualifiers. Core writing analysis runs fully on-device, so your writing stays private. No account or internet connection is required for the core clarity checks. Use Concise for essays, emails, posts, notes, drafts, reports, captions, and any text you want to make cleaner before sharing. Features: - Readability grade - Word count, sentence count, and reading time - Hard sentence and very hard sentence detection - Passive voice detection - Adverb and weak word detection - Complex word suggestions - Wordy phrase highlights - Highlighted writing preview - Local saved drafts - Copy and reuse your edited text - Light and dark mode - Offline writing analysis Concise Pro Lifetime is an optional one-time purchase with no subscription. It adds local projects and folders, version history and comparison, smart fixes, six readability formulas, custom writing profiles, Markdown/RTF/PDF file tools, and batch analysis. Purchase and restore checks use the App Store and RevenueCat; writing and document content are not sent to them. Concise is built for fast, focused writing clarity. It is not a full grammar keyboard, AI chat app, or cloud writing assistant. It is a private editor that helps you spot the parts of your writing that may slow readers down. Privacy Policy: https://concise-clarity.netlify.app/privacy Terms Of Service(EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Study Sanctuary

Features
Read full description

Find a quieter way to get things done. Study Sanctuary combines a focused study timer, a flexible weekly planner, optional Screen Time protection, and a customizable pixel-art room. Each completed session turns steady effort into visible progress—without accounts, ads, or pressure. PROTECT YOUR FOCUS Choose distracting apps, categories, and websites with Apple’s privacy-preserving activity picker. Start a protected focus session when you need it, take an intentional break when you need one, and return when you’re ready. CHOOSE THE RIGHT BOUNDARY • Deep Focus shields selected apps, categories, and websites. • Light Focus shields selected apps and websites. • Study Group shields selected apps while keeping communication available. BUILD A STUDY RHYTHM Create subjects, set personal milestones, and add recurring weekly blocks. Your plan stays flexible and every block remains editable. MAKE PROGRESS FEEL PERSONAL Complete focus sessions to earn Focus Credits. Use them to unlock furniture and shape a sanctuary that feels like your own. SEE YOUR CONSISTENCY GROW Review completed sessions, subject progress, study time, streaks, and badges—all stored locally on your device. PRIVATE BY DESIGN No account is required. Study Sanctuary has no ads or third-party analytics. Your study data remains on your device, and Apple’s Family Controls provide privacy-preserving selections for Screen Time protection. Screen Time protection is optional. The study timer, planner, progress, rewards, and room remain available if you choose not to enable it.

Screenshots

Concise3 screens
Study Sanctuary4 screens

Verdict

The call

The clearest difference is device support: Concise at 3 against Study Sanctuary's 1. Concise also leads on iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 8 level
Concise versus Study Sanctuary: the parameters behind the verdict, then further details
ParameterConciseStudy Sanctuary
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size46 MB24 MB
Age rating4+4+
DeveloperStarter Studio, Inc.Karl Burdak

In-app purchases

None

Concise

No in-app purchases

None

Study Sanctuary

No in-app purchases

Questions

Is Concise free?
Concise is free to download, with no in-app purchases.
Is Study Sanctuary free?
Study Sanctuary is free to download, with no in-app purchases.
Do Concise or Study Sanctuary have ads?
Neither Concise nor Study Sanctuary shows ads.

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