Comparison

Ruidaichan vs ShokyozanMaster

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

Head to head
About

Ruidaichan

Features
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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

About

ShokyozanMaster

Features
Read full description

Shokyozan Master is a gentle math learning app designed to help elementary school students understand elimination-style arithmetic before they begin learning simultaneous equations. Instead of using difficult mathematical terms, the app teaches each idea through cute visuals, step-by-step animations, and friendly explanations from a teacher character. Children can learn how to: • Find what is the same • Look at what is different • Match the number of items • Replace one item with an equivalent item • Compare prices using simple visual clues • Solve word problems step by step The app is designed especially for students who find word problems confusing or who need a more visual way to understand math. ■ Main Features • Cute animated lessons • Friendly teacher-style explanations • Interactive check quizzes • Practice questions for review • Progress tracking • Star ratings for motivation • Soft, gentle design for everyday learning ■ Recommended For • Elementary school students learning word problems • Children preparing for simultaneous equations • Students who struggle with math explanations based only on formulas • Parents looking for a friendly study support app • Learners who prefer visual and animated explanations ■ Lesson Themes • Canceling the same items and looking at the difference • Matching quantities before comparing • Making both sides easier to compare • Replacing items with equivalent values • Thinking of a higher price as a lower price plus the difference • Solving problems with three unknown items • Learning advanced comparison problems with height and difference Elimination-style arithmetic is not just about calculation. It is about noticing what is the same, what is different, and how to organize the information. With cute icons, animated lesson boards, and clear step-by-step explanations, Shokyozan Master helps children build confidence while learning at their own pace. Take it one step at a time and enjoy mastering word problems with your friendly teacher.

Screenshots

Ruidaichan3 screens
ShokyozanMaster4 screens

Verdict

The call

The clearest difference is in-app purchases: ShokyozanMaster at none against Ruidaichan's 2. On price, ads, device support 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. ShokyozanMaster asks for nothing beyond the download.

Scorecard1 real difference · 5 level
Ruidaichan versus ShokyozanMaster: the parameters behind the verdict, then further details
ParameterRuidaichanShokyozanMaster
PriceFreeFree
Update frequencyEvery 5 days—
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhoneiPhone
Requires iOS16.616.0 — better
Further details — not scored
Size18 MB26 MB
Age rating4+4+
DeveloperNaoki OhashiKawamata Koichiro

In-app purchases

2 purchases

Ruidaichan

Subscriptions2
  • Light Plan$1.991 Month
  • Premium Plan$4.991 Month
None

ShokyozanMaster

No in-app purchases

Questions

Is Ruidaichan free?
Ruidaichan is free to download, with in-app purchases available.
Is ShokyozanMaster free?
ShokyozanMaster is free to download, with no in-app purchases.
Do Ruidaichan or ShokyozanMaster have ads?
Neither Ruidaichan nor ShokyozanMaster shows ads.

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