Comparison

Arithmetic Wiz vs Byeoldosa

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

Head to head
About

Arithmetic Wiz

This app makes practicing arithmetic fun for children. It offers drills for addition, subtraction, multiplication, and division, with features like timed challenges, progress tracking, and global leaderboards. Kids can earn trophies and stars for achievements.

Highlights
  • Arithmetic drills (4 operations)
  • Timed challenges
  • Performance history tracking
  • Trophy and star rewards
  • Global leaderboards and rankings
  • Speed and score tracking
Features
Read full description

- Great way for kids to do arithmetic drills the fun way. Let them become very good at adding, subtracting, dividing and multiplying numbers, which are important life skills. "Son, do the drills now. Show me some progress before you play the other games." - Challenge your kid to complete the sums in record time and come back later to check his performance history. - Select one or more levels and start the game! - Earn trophies and the rare golden star for record performance. - Keep track of your scores and speed. - Compete with friends, family members and the rest of the world! - Check out your country ranking and world ranking. Beat the current world record - Visit our support website for more info and a video demo: www.therocketstudio.com/arithwizfree

About

Byeoldosa

This app offers step-by-step practice for basic arithmetic operations like addition, subtraction, multiplication, and division. It features levels organized by difficulty, from single-digit to three-digit numbers, with a vertical calculation mode that mimics writing sums on paper. Progress is automatically saved and visualized in charts to track speed and accuracy improvements.

Highlights
  • Step-by-step arithmetic practice
  • Addition, subtraction, multiplication, division
  • Difficulty levels
  • Vertical (column) calculation mode
  • Automatic practice set saving
  • Progress charts for speed and accuracy
Features
Read full description

Byeoldosa is an arithmetic practice app for working through addition, subtraction, multiplication, and division step by step. • Levels are organised by difficulty, so you can start from the basics and move on to more advanced problems at your own pace. • Problems range from single-digit to three-digit numbers, with stages that change depending on whether carrying or borrowing is involved. • In vertical (column) calculation mode, you can follow each column one box at a time, much like writing out the sum on paper. • Every practice set is saved automatically, and your scores and time spent are shown in simple charts, so you can see how your speed and accuracy change as you keep practising. It’s a good fit for students who want to strengthen their arithmetic, for anyone who’d like a bit of mental exercise, or for those moments when you just feel like doing a few number problems. Whenever you feel like practising numbers, just open Byeoldosa.

Screenshots

Arithmetic Wiz4 screens
Byeoldosa4 screens

Verdict

The call

The clearest difference is rating: Byeoldosa at 5.0 against Arithmetic Wiz's 2.0. Byeoldosa also leads on in-app purchases (none vs 1) and ads (none vs shown). Arithmetic Wiz's advantage is iOS requirement (15.0 vs 18.0). On price, ratings volume, 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. Arithmetic Wiz sells 1 one-off in-app purchase. Byeoldosa asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Byeoldosa holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Arithmetic Wiz ships an update every 4 months, Byeoldosa every 6 months. The most recent releases landed on September 19, 2026 and June 4, 2026 respectively.

Scorecard5 real differences · 5 level
Arithmetic Wiz versus Byeoldosa: the parameters behind the verdict, then further details
ParameterArithmetic WizByeoldosa
PriceFreeFree
Rating2.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews66.7% of reviews—
Number of ratings11
Update frequencyEvery 4 months — betterEvery 6 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size10 MB10 MB
Age rating4+4+
DeveloperThe Rocket StudioHyekyung Jeong

Customer experience

Arithmetic Wiz

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Byeoldosa

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

In-app purchases

1 purchases

Arithmetic Wiz

One-time1
  • Arithmetic Wiz All 14 Levels$3.99
None

Byeoldosa

No in-app purchases

Questions

Is Arithmetic Wiz free?
Arithmetic Wiz is free to download, with in-app purchases available.
Is Byeoldosa free?
Byeoldosa is free to download, with no in-app purchases.
Which has better reviews, Arithmetic Wiz or Byeoldosa?
Byeoldosa is rated higher. Arithmetic Wiz averages 2.0 out of 5 from 1 ratings, while Byeoldosa averages 5.0 from 1 ratings.
Do Arithmetic Wiz or Byeoldosa have ads?
Arithmetic Wiz shows ads; Byeoldosa does not.
Which is updated more often, Arithmetic Wiz or Byeoldosa?
Arithmetic Wiz ships an update every 4 months, and Byeoldosa every 6 months. Most recently, Arithmetic Wiz was updated on September 19, 2026 and Byeoldosa on June 4, 2026.

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