Comparison

FLIP vs Nadrus | ندرس

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

Head to head
About

FLIP

This app helps improve study habits by tracking focus time using a unique phone-flipping method. It offers features like global study groups, real-time progress monitoring, and detailed statistics to enhance concentration and productivity.

Highlights
  • Flip phone to measure study time
  • Global study groups and chat
  • Real-time study session monitoring
  • Detailed daily, weekly, monthly statistics
  • D-day countdown for goals
  • Timetable and study schedule planner
Features
Read full description

***Best study time management app recognized by users*** ***FLIP can improve your study habits in a short period!*** Flip your phone over to measure your study time! Need to Focus? Get FLIP now! If you can't pay attention to your study, read, or work, use FLIP! Focus level measure timer, FLIP! ■ Global Study Group : FLIP ZONE ■ You can meet study mates from all over the world! Make friends and achieve your dream goal together! - Does your smartphone disturb your study? Don't worry! With 'FLIP', make your own study goal and level up your focus. - Accurate Time Measurement You can measure your study time accurately by flipping your phone over. - Do you want to know your Focus Level? Studying long hours doesn't mean you have good concentration! FLIP improves your concentration. - Real-time study : LIVE! How many people are studying now? Check out Live from measuring screen! You can see who's studying in real time! - Easy sharing of SNS Organize your study time in dail, weekly, or monthly, and share on Facebook, Instagram and others with just one button! - School Ranking Register school in your profile, and check out the ranking of your school! - Statistics Check your weekly and monthly study time as well as today's. - Timeline The timeline shows you the goals you've measured today in chronological order. - Timetable Use the Timetable to automatically summarize today's measured goals! You can see all of today's measured goals at a glance. - Daily Report FLIP shows you the details of your daily study. - D-day Set your D-Day! You can see easily how many days are left before your due date. - Study Schedule Register your school timetable or your own study rountine! - Global board; The FLIP TALK! Talk with friends around the globe; You can share your stories, encourage each other, and study together! **FLIP Premium Service Ugrade** - All functions unlimited (goals, groups, to-do lists, d-days, study schedules, themes, etc.) - Timetable - Weekly/Monthly Report - Backup/Restore Note: If you subscribe via Apple, payment will be charged to App Store Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Account will be charged for renewal within 24 hours prior to the end of the current period at the rate of the selected plan. Subscriptions and auto-renewal may be managed by going to Account Settings after purchase. Subscription Price(Based on USD) : Monthly ($0.99) / 6 Months ($4.99) / Yearly ($8.99) EULA : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms and Conditions : https://www.flipfocus.co.kr/etc/termsOfUse_EN.html?OSType=I Privacy Policy : https://www.flipfocus.co.kr/etc/privacy_EN.html FLIP uses pomodoro techniques, and determine the focus level according to the number of breaks compared to the focus duration. When you need to focus on something, turn on the FLIP and flip your phone over! Use FLIP to make smart phone even more useful. -------------------- Contact Support - [ FLIP > More > Help > Contact Support ] - Email : support@rinasoft.co.kr

About

Nadrus | ندرس

This educational app facilitates communication between students and teachers through individual and group chats. It also features a knowledge bank with articles to enhance learning.

Highlights
  • Student-teacher chat
  • Group chat for multiple users
  • Knowledge bank with articles
  • Educational content
Read full description

تطبيق تعليمى ، حيث يقوم تطبيق ندرس بانشاء شات بين الطالب والمدرس ويمكن انشاء شات جماعى بين اكتر من طالب ومدرس ويوجد ايضا بنك المعرفه حيث يوجد مقالات .

Screenshots

FLIP4 screens
Nadrus | ندرس4 screens

Verdict

The call

The clearest difference is in-app purchases: Nadrus | ندرس at none against FLIP's 10. Nadrus | ندرس also leads on ads (none vs shown) and rating (5.0 vs 4.5). FLIP's advantage is ratings volume (897 vs 1). On price, update cadence and device support 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. FLIP sells 10 in-app purchases, starting at $2.00 per month. Nadrus | ندرس asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Nadrus | ندرس holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: FLIP has 897 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

FLIP ships an update every 2 weeks, Nadrus | ندرس fortnightly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
FLIP versus Nadrus | ندرس: the parameters behind the verdict, then further details
ParameterFLIPNadrus | ندرس
PriceFreeFree
Rating4.5 (897 ratings)5.0 (1 ratings) — better
Positive reviews87.8% of reviews—
Number of ratings897 — better1
Update frequencyEvery 2 weeks — betterFortnightly
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.613.2 — better
Further details — not scored
Size145 MB34 MB
Age rating4+4+
DeveloperRinasoft Inc.hesham tatawy

Customer experience

FLIP

All ratings897 ratings
Positive88.5%
Neutral5.1%
Negative6.4%
Written reviews801 reviews
Positive87.8%
Neutral7.5%
Negative4.7%

Nadrus | ندرس

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

FLIP

Reported bugs

3 issues
  • Ranking and leaderboard data not updating properly
  • Study time not being saved or recorded accurately
  • Language settings not working as expected

Requested features

4 requests
  • Add more customization options for themes and layouts
  • Improve the user interface and navigation
  • Implement an Apple Watch app for easier tracking
  • Allow more flexibility in setting and editing study goals

Nadrus | ندرس

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

FLIP

Subscriptions3
  • Monthly Premium Membership14 Days trial$2.001 Month
  • 6 Months Premium Membership14 Days trial$10.006 Months
  • Yearly Premium Membership14 Days trial$18.001 Year
One-time7
  • Premium Service - 1Month$1.99
  • Charging 2500 points$1.99
  • Premium Service - 3Months$4.99
Show 4 more
  • Charging 5900 points$4.99
  • Premium Service - 6 Months$7.99
  • Premium Service - 12 Months$14.99
  • Charging 20000 points$15.99
None

Nadrus | ندرس

No in-app purchases

Questions

Is FLIP free?
FLIP is free to download, with in-app purchases available.
Is Nadrus | ندرس free?
Nadrus | ندرس is free to download, with no in-app purchases.
Which has better reviews, FLIP or Nadrus | ندرس?
Nadrus | ندرس is rated higher. FLIP averages 4.5 out of 5 from 897 ratings, while Nadrus | ندرس averages 5.0 from 1 ratings.
Do FLIP or Nadrus | ندرس have ads?
FLIP shows ads; Nadrus | ندرس does not.
Which is updated more often, FLIP or Nadrus | ندرس?
FLIP ships an update every 2 weeks, and Nadrus | ندرس fortnightly. Most recently, FLIP was updated on November 6, 2026 and Nadrus | ندرس on November 3, 2026.

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