Comparison

Cherkalka vs Screen Time Control

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

Head to head
About

Cherkalka

This app offers a versatile toolkit for quick note-taking, image editing, and on-the-fly modifications. Seamlessly sketch or write on photos directly from your gallery or use its action extension for broader application compatibility. It's designed for efficient visual communication and creative annotation.

Highlights
  • Quick note creation on photos
  • Integrated photo editor
  • Action extension for sharing
  • Drawing and erasing tools
  • Customizable pencil width and color
  • Store and duplicate notes
  • Stylus palm touch elimination
Features
Read full description

Three in one: the app to create notes, photo editor to alter images in Photos, action extension to make changes on the fly. Cherkalka is a great tool when in need to note quickly on a photo, just to sketch or write, all these without launching a heavy notepad. The app includes a photo editor and an action extension. The photo editor allows you to make notes on photos right from the Photos app without launching the app. The action extension gives you possibility to handle pictures from any app supporting that feature and share the results. Note: not every program able to receive the result after you press the Done button, e.g., the Photos app does not support that feature, in the case with the Photos use the photo editor. Cherkalka can: • draw and erase; • change width and color of the pencil, color of a note; • share created pictures; • utilize photos; • store created notes and duplicate them; • eliminate palm touches when you use a stylus. The full version in addition can: • resize the note; • move and rotate layers of strokes and background; • scale the current note view; • change width and color of a pencil in the photo editor and the extension; • sync notes via iCloud; • to not show the app logo on exported pictures.

About

Screen Time Control

Manage your device usage with this app blocker and focus tool. Block distracting applications, set timed focus sessions, and schedule automatic restrictions using native device technology. Track your progress and build healthier digital habits.

Highlights
  • App blocking and locking
  • Timed focus sessions
  • Recurring schedules
  • Statistics and analytics
  • Preset and custom templates
  • Smart notifications
Features
Read full description

Take control of your iPhone with Screen Time Control - the ultimate app blocking and focus management solution. Block distracting apps, create focus sessions, and schedule automatic app restrictions using Apple's native Screen Time technology. KEY FEATURES: App Block & App Lock: Instantly block any apps on your iPhone. Our powerful app blocking feature uses Apple's Screen Time API to securely lock apps and prevent distractions. Perfect for app blocking, app locking, and app hiding. Focus Sessions with Timer: Create timed focus sessions to block apps for specific durations. Set custom timers and stay focused on your tasks. Whether you need a quick 15-minute focus block or an extended work session, our timer feature helps you maintain concentration. Recurring Schedules (Time Block): Automatically block apps during specific times and days. Set up work hours, study periods, or sleep schedules. Apps will be automatically restricted during your scheduled time blocks, helping you establish healthy digital habits. Statistics & Analytics: Track your focus progress with detailed statistics. Monitor total focus time, session completion rates, and daily summaries. View your productivity trends over time. Preset Templates: Get started quickly with built-in templates like Deep Work, Pomodoro Session, and Study Time. Create custom templates for your favorite focus patterns. Smart Notifications: Receive notifications when schedules start, focus sessions begin or end, and get warnings before sessions complete. Easy App Selection: Simple and intuitive interface to select which apps to block. Use the native iOS Family Activity Picker for seamless app selection. PREMIUM FEATURES: Upgrade to Premium to unlock unlimited power: Unlimited App Blocking - Block as many apps as you need (Free: 1 app limit) Unlimited Focus Sessions - Create and run multiple focus sessions simultaneously (Free: 1 active session) Custom Duration - Set any timer duration you want - minutes or hours (Free: 30 minutes fixed) Unlimited Schedules - Create unlimited recurring schedules and time blocks (Free: 1 schedule limit) Advanced Customization - Full access to all scheduling and blocking options PERFECT FOR: Students - Block social media and games during study hours Professionals - Stay focused during work hours with automatic app restrictions Digital Wellness Seekers - Reduce screen time and build healthier phone habits Pomodoro Users - Create timed focus sessions for productivity techniques Anyone wanting app control - Simple and effective way to limit app usage USE CASES: Block social media apps during work hours Create 25-minute Pomodoro focus sessions Schedule study blocks with automatic app restrictions Set sleep schedules to block all apps at night Use time blocks to limit gaming or entertainment apps Hide distracting apps during important meetings HOW IT WORKS: Screen Time Control leverages Apple's Family Controls and ManagedSettings frameworks for secure, system-level app blocking. All blocking happens through iOS Screen Time, ensuring your device remains secure while giving you powerful control over app access. KEYWORDS & FEATURES: This app block, app lock, and screen time management tool helps you: Block apps securely using Screen Time Create focus sessions with customizable timers Set up time blocks and recurring schedules Restrict app access during specific hours Hide apps temporarily for better focus Limit screen time and reduce distractions Stay focused with automatic app blocking Control iPhone app usage effectively Whether you're looking for an app blocker, app locker, focus timer, or comprehensive screen time control, this is the solution for iPhone users who want to take back control of their digital life. Privacy Policy: https://screentimecontrol.blogspot.com/p/privacy-policy.html Terms of Use: https://screentimecontrol.blogspot.com/p/terms-of-use-eula.html

Screenshots

Cherkalka4 screens
Screen Time Control4 screens

Verdict

The call

The clearest difference is update cadence: Screen Time Control at every 2 weeks against Cherkalka's every 2 months. Screen Time Control also leads on rating (5.0 vs 4.7) and review sentiment (100% vs 90%). Cherkalka's advantage is ratings volume (21 vs 3) and iOS requirement (8.0 vs 17.0). On price, ads, in-app purchases and monetization model 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. Cherkalka sells 1 one-off in-app purchase and Screen Time Control sells 5 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Screen Time Control holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Cherkalka has 21 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 90% of Cherkalka's written reviews are positive against 100% of Screen Time Control's.

UpkeepUpdate frequency

Cherkalka ships an update every 2 months, Screen Time Control every 2 weeks. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

Scorecard5 real differences · 5 level
Cherkalka versus Screen Time Control: the parameters behind the verdict, then further details
ParameterCherkalkaScreen Time Control
PriceFreeFree
Rating4.7 (21 ratings)5.0 (3 ratings) — better
Positive reviews90.3% of reviews100.0% of reviews — better
Number of ratings21 — better3
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better17.0
Further details — not scored
Size8 MB37 MB
Age rating4+4+
DeveloperSemen KudriavtsevYalcin Golayoglu

Customer experience

Cherkalka

All ratings21 ratings
Positive95.2%
Neutral0.0%
Negative4.8%
Written reviews62 reviews
Positive90.3%
Neutral1.6%
Negative8.1%

Screen Time Control

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Cherkalka

Reported bugs

4 issues
  • App crashes when trying to take a photo
  • Rubber/eraser doesn't delete
  • Unclear how to handle some settings
  • Translations are poorly made

Requested features

11 requests
  • Add undo and redo features
  • Improve line quality for sharper lines
  • Enhance color selection with smooth scrolling
  • Allow notes on clear backgrounds interchangeable with PC applications
  • Support vector compatible format for professional editing
Show 6 more
  • Add more features and filters
  • Implement an undo option for the last stroke
  • Make it easier to restore a white background
  • Save selected photo from album within the app for future modifications
  • Add dark mode option
  • Improve translation quality

Screen Time Control

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Cherkalka

One-time1
  • The full version$0.99
5 purchases

Screen Time Control

Subscriptions3
  • Screen Time Control Premium Weekly$1.997 Days
  • Screen Time Control Premium Monthly$4.991 Month
  • Screen Time Control Premium Annual7 Days trial$19.991 Year
One-time2
  • Remove Ads$1.99
  • Screen Time Control Premium$24.99

Questions

Is Cherkalka free?
Cherkalka is free to download, with in-app purchases available.
Is Screen Time Control free?
Screen Time Control is free to download, with in-app purchases available.
Which has better reviews, Cherkalka or Screen Time Control?
Screen Time Control is rated higher. Cherkalka averages 4.7 out of 5 from 21 ratings, while Screen Time Control averages 5.0 from 3 ratings.
Do Cherkalka or Screen Time Control have ads?
Neither Cherkalka nor Screen Time Control shows ads.
Which is updated more often, Cherkalka or Screen Time Control?
Cherkalka ships an update every 2 months, and Screen Time Control every 2 weeks. Most recently, Cherkalka was updated on October 6, 2026 and Screen Time Control on October 1, 2026.

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