Comparison

Print Exercise for Arithmetic vs Ruidaichan

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

Head to head
About

Print Exercise for Arithmetic

Read full description

It is an application that prints arithmetic exercise sheet. You can randomly create and print questions according to the set conditions. You can also select and print a pre-registered workbook. Registered workbooks will be updated automatically.

About

Ruidaichan

Features
Read full description

Create printable math worksheets from elementary school word problems. This app automatically generates similar practice worksheets (A4 size) from a photo of a math problem. Designed for elementary school students, especially grades 1–3, to practice word problems and basic calculations at home. Great for extra practice when children need more repetition with the same type of problems. 【Good for situations like】 * Homework is not enough practice * You want more problems of the same type * Review elementary school word problems * Print worksheets at home * Create extra worksheets for cram schools or tutoring * Add review problems for classrooms or after-school programs * Give similar but different worksheets to each student 【Features】 * Scan math problems using OCR (photo text recognition) * Automatically generate similar practice questions * Create printable A4 PDF worksheets * Save, share, and print generated worksheets 【How to use】 1. Take a photo of a math problem 2. Generate a similar worksheet 3. Print or share the PDF worksheet Free monthly usage is available. Images and OCR text are only sent for worksheet generation and are not stored. Q. Can 4th graders use this app? A. Yes. While mainly designed for grades 1–3, it can also be used for 4th grade review and extra practice. Q. Can it generate only word problems? A. Yes. The app supports generating similar word problems. Q. Can I print the worksheets? A. Yes. Generated worksheets can be printed on A4 paper using home printers or convenience store printing services. Q. Can I save worksheets as PDF files? A. Yes. Worksheets can be saved and shared as PDF files. Q. Can it generate more problems of the same type? A. Yes. The app creates similar practice problems based on the original question. Q. Is it useful for homeschooling or home learning? A. Yes. It is designed for home learning, review practice, and extra exercises. Q. Does the app use OCR? A. Yes. The app reads math problems from photos using OCR technology. Q. Does it support calculation problems too? A. Yes. Both word problems and basic calculation problems are supported. Q. What type of learning app is this? A. This is a printable worksheet generation and review-focused math learning app that uses OCR to read problems and generate similar worksheets. Q. What situations is this app used for? A. It is used for home learning, cram school review worksheets, classroom review practice, homework support, and repeated practice of weak areas. Q. Can teachers use this app? A. Yes. Teachers, tutors, and cram schools can use it to quickly create additional practice worksheets. Terms of Use: https://github.com/MakikoOhashi/kima-app-policies/blob/main/ruidaichan-terms.md Privacy Policy: https://github.com/MakikoOhashi/kima-app-policies/blob/main/ruidaichan-privacy.md

Screenshots

Print Exercise for Arithmetic4 screens
Ruidaichan3 screens

Verdict

The call

The clearest difference is in-app purchases: Print Exercise for Arithmetic at none against Ruidaichan's 2. Print Exercise for Arithmetic also leads on device support (3 vs 1). Ruidaichan's advantage is ads (none vs shown) and update cadence (every 5 days vs every 5 weeks). On price and iOS requirement 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. Ruidaichan sells 2 in-app purchases, starting at $1.99 per month. Print Exercise for Arithmetic asks for nothing beyond the download.

UpkeepUpdate frequency

Print Exercise for Arithmetic ships an update every 5 weeks, Ruidaichan every 5 days. The most recent releases landed on September 11, 2026 and September 15, 2026 respectively.

Scorecard4 real differences · 2 level
Print Exercise for Arithmetic versus Ruidaichan: the parameters behind the verdict, then further details
ParameterPrint Exercise for ArithmeticRuidaichan
PriceFreeFree
Update frequencyEvery 5 weeksEvery 5 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.6
Further details — not scored
Size14 MB18 MB
Age rating4+4+
DeveloperKazuhisa KobayashiNaoki Ohashi

In-app purchases

None

Print Exercise for Arithmetic

No in-app purchases

2 purchases

Ruidaichan

Subscriptions2
  • Light Plan$1.991 Month
  • Premium Plan$4.991 Month

Questions

Is Print Exercise for Arithmetic free?
Print Exercise for Arithmetic is free to download, with no in-app purchases.
Is Ruidaichan free?
Ruidaichan is free to download, with in-app purchases available.
Do Print Exercise for Arithmetic or Ruidaichan have ads?
Print Exercise for Arithmetic shows ads; Ruidaichan does not.
Which is updated more often, Print Exercise for Arithmetic or Ruidaichan?
Print Exercise for Arithmetic ships an update every 5 weeks, and Ruidaichan every 5 days. Most recently, Print Exercise for Arithmetic was updated on September 11, 2026 and Ruidaichan on September 15, 2026.

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