Chaipang Addition vs Aritmo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chaipang Addition
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1. Features and composition ▶ Increase the speed and accuracy of calculations “Chaipang Addition” is a Game-based calculation learning app designed to improve children’s “single digit addition” skills. ▶ Increase the immersion level of children. “Chaipang Addition” is set in kindergarten and is played in the form of card games with friends so that children could feel immersed. ▶ Motivation to improve calculation skills All 50 characters you play with have different calculation skills. Your ranking changes according to the result of the game with each character. 2. How to enjoy Chaipang Addition with Chaipang friends! ① Let’s play addition games with card games! ② If you answer the correct answer first, you can get a star-shaped block! ③ The more blocks you have, the higher your ranking will be. ④ If you have the highest score, you can wear a crown! 3. Contact us If you have any question please contact us at the address below. Tel. +82-2-508-0710 Email. support@wecref.com Developer : wecref.dev@gmail.com
Aritmo
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Train your brain to calculate faster with short, structured mental math lessons. Aritmo teaches rapid calculation techniques through focused lessons, interactive practice, and gamified challenges. Instead of memorizing random tricks, you learn step-by-step methods for solving arithmetic problems more efficiently in your head. LEARN MENTAL MATH STEP BY STEP Aritmo is designed to help you build real calculation skills through progressive courses and practice exercises. In this first version, Aritmo includes two main learning paths: • Basic Multiplication Learn the Trachtenberg method for rapid multiplication with numbers from 2 to 11. This course introduces the core patterns and rules used to multiply faster mentally. • General Multiplication Learn a broader multiplication method for solving more flexible multiplication problems. This course is available with an active subscription. The app clearly identifies which content is included and which content requires a subscription before purchase. PRACTICE WITH SHORT DAILY LESSONS Each concept is broken into simple lessons that can be completed in a few minutes. You can learn a method, practice it immediately, and repeat challenges to build speed and confidence over time. Aritmo helps you practice: • Fast multiplication techniques • Mental arithmetic without a calculator • Number patterns that simplify calculations • Focused repetition for stronger recall • Progressive exercises that increase in difficulty GAMIFIED BRAIN TRAINING Aritmo turns mental math practice into a structured daily challenge. You can: • Progress through lessons • Complete practice exercises • Build learning streaks • Track your progress • Improve your speed through repetition WHO IS ARITMO FOR? Aritmo is useful for: • Students who want stronger arithmetic skills • Adults who want to sharpen their mental calculation ability • Puzzle and brain-training enthusiasts • Anyone curious about rapid mental math methods • Learners who want structured practice instead of random math tricks SUBSCRIPTION INFORMATION Aritmo offers optional in-app purchases. The Basic Multiplication course is available in the app. The General Multiplication course requires an active subscription. Subscription availability and terms are shown clearly in the app before purchase and are managed through your Apple ID. You can use Aritmo to start learning mental multiplication techniques and upgrade only if you want access to the additional subscription course. Start training your mental math skills with Aritmo. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://melbot.com.br/privacy.html
Screenshots
Verdict
The clearest difference is ads: Chaipang Addition at none against Aritmo's shown. Chaipang Addition also leads on iOS requirement (13.0 vs 16.0). Aritmo's advantage is update cadence (every 2 days vs fortnightly). On price, in-app purchases 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
Both are free to download. Chaipang Addition sells 1 one-off in-app purchase and Aritmo sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Chaipang Addition ships an update fortnightly, Aritmo every 2 days. The most recent releases landed on October 27, 2026 and October 8, 2026 respectively.
| Parameter | Chaipang Addition | Aritmo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 136 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Wecref Co., Ltd. | LUCCA EMMANUEL PINELI SIMOES LTDA |
In-app purchases
Chaipang Addition
- 차이팡 덧셈 광고제거$2.99
Aritmo
- Aritmo Premium$3.991 Month
- Aritmo Yearly Premium Access$29.991 Year
Questions
Is Chaipang Addition free?
Is Aritmo free?
Do Chaipang Addition or Aritmo have ads?
Which is updated more often, Chaipang Addition or Aritmo?
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