Comparison

FlowMath vs hyFee NC

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

Head to head
About

FlowMath

This app challenges users to create mathematical equations that equal a given answer. It offers customizable quizzes with various operations, number ranges, and problem counts. A timer adds a competitive element for improving speed or challenging others.

Highlights
  • Create equations from a given answer
  • Select operation types (add, subtract, multiply, divide)
  • Customize number ranges
  • Choose quiz length (10, 20, or 30 problems)
  • Timed challenges for speed improvement
  • Randomized problem generation
Features
Read full description

FlowMath will test your skills to build a math problem that matches the answer. You see FlowMath provides the answer and wants you to make the equation. Choose the numbers and the operator and see how fast you can make your way through this twist on arithmetic tables. FlowMath is configurable to quiz you with 10, 20 or 30 problems. All the problems are generated by the application and randomized so there is a unlimited set of possibilities. FlowMath allows you to choose individual operation types from addition, subtraction, multiplication and division, or a combination of the above. You can also provide a range of numbers (from 1 to 99) you want to work with. Parents you will find this feature invaluable for helping younger students who need to limit the scope of problems they are currently capable of handling. Additionally, FlowMath has a timer thus allowing a single student the opportunity to see if he can improve on a previous time, or even challenge a friend to a "quiz-off". FlowMath is perfect for ever age and will improve your ability to conquer every day math tasks in your head.

About

hyFee NC

Easily record and share feedback with students using audio, images, videos, or PDFs. Upload directly to your own cloud storage for secure and cost-effective feedback management. Generate QR codes for quick student access.

Highlights
  • Record audio, image, or video feedback
  • Upload PDF files
  • Combine multiple feedback types
  • Upload feedback to personal cloud storage
  • Generate and print QR codes
  • Share feedback via text link
Features
Read full description

Capture. Upload. Share. ================= With hyFee, you can focus on what really matters – providing valuable feedback to your students. Whether you want to record feedback directly into hyFee, capture an image or video, or provide a PDF, hyFee makes the process easy for you. > Capture: You record audio, images or videos directly into hyfee or select existing media from the photo library. If necessary, simply combine any feedback types into one package. > Upload: When you are done, upload the feedback for the student with a tap. Hyfee takes care of storing the files, so you don't have to worry about folders and file formats yourself. > Share: After uploading, you can save and print an automatically generated QR code to stick on the student's work. If you communicate with the student via school messenger or LMS, simply send the text link to the feedback. Work even faster with placeholder codes ============================== You can generate up to 30 placeholder QR codes at once for all possible feedback types directly in hyFee and save them in a PDF file. This way you can print the codes collected on one page, cut them out and keep them in stock. When you capture feedback, you simply pick a matching QR code from the stack. Afterwards, you can continue in the usual convenient way. hyFee NC + NextCloud = :) ========================= With hyFee NC, you use your own or your school’s NextCloud to store and share your data securely! So with hyFee NC, you don’t incur any additional monthly costs, you can do whatever you want with your feedback files, and your students only access your infrastructure when retrieving feedback. And don’t worry – you don’t have to do any additional configuration, hyFee is ready to go with most NextCloud systems. By storing the feedback in your own NextCloud, hyFee does not incur any additional costs for you. hyFee NC at a glance ================ Direct recording of audio feedback without separate apps Upload and capture images Upload and record videos Upload PDF files Combining different feedback types into one feedback package. Full control over data by using your own (school) NextCloud Unlimited number and storage of feedbacks (depending on your cloud) Upload and deploy QR codes and links in just one step Start from the beginning or prepare QR codes Overwrite and refill feedbacks One-time purchase without follow-up costs depending on how much feedback is created optimized for smartphones and tablets alike EULA: https://hyfee.de/nutzungsbedingungen/

Screenshots

FlowMath4 screens
hyFee NC4 screens

Verdict

The call

The clearest difference is in-app purchases: FlowMath at none against hyFee NC's 3. FlowMath also leads on price ($0.99 vs $4.99) and iOS requirement (12.0 vs 16.1). hyFee NC's advantage is update cadence (fortnightly vs every 9 months). On review sentiment, ads, monetization model 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

FlowMath costs $0.99 and hyFee NC $4.99 up front. hyFee NC sells 3 in-app purchases, starting at $0.49 per month. FlowMath asks for nothing beyond the download.

UpkeepUpdate frequency

FlowMath ships an update every 9 months, hyFee NC fortnightly. The most recent releases landed on August 15, 2026 and October 1, 2026 respectively.

Scorecard4 real differences · 6 level
FlowMath versus hyFee NC: the parameters behind the verdict, then further details
ParameterFlowMathhyFee NC
Price$0.99 — better$4.99
Rating3.1 (9 ratings) — better—
Positive reviews50.0% of reviews50.0% of reviews
Number of ratings9 — better—
Update frequencyEvery 9 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidPaid
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better16.1
Further details — not scored
Size4 MB80 MB
Age rating4+4+
DeveloperPalaSoftware Inc.Christian Mayr

Customer experience

FlowMath

All ratings9 ratings
Positive44.4%
Neutral11.1%
Negative44.4%
Written reviews8 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

hyFee NC

Written reviews6 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

FlowMath

No in-app purchases

3 purchases

hyFee NC

Subscriptions2
  • Pro - One Month$0.491 Month
  • Pro - full year$3.491 Year
One-time1
  • hyFee Drive Pro Lifetime$7.99

Questions

Is FlowMath free?
FlowMath costs $0.99, with no in-app purchases.
Is hyFee NC free?
hyFee NC costs $4.99, and also offers in-app purchases.
Do FlowMath or hyFee NC have ads?
Neither FlowMath nor hyFee NC shows ads.
Which is updated more often, FlowMath or hyFee NC?
FlowMath ships an update every 9 months, and hyFee NC fortnightly. Most recently, FlowMath was updated on August 15, 2026 and hyFee NC on October 1, 2026.

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