Comparison

Oral Arithmetic vs Simple Drawing:DuDu Games

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

Head to head
About

Oral Arithmetic

Features
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DuDu's Oral Arithmetic is a quick math training in a race against time. The wonderful combination of numbers and symbols produces some mysterious chemical effect. Children, if you find the tricks, you will count faster! The Time Trial has begun! Come to DuDu's Oral Arithmetic and see who can count quickly and accurately! DuDu's Oral Arithmetic has the following characteristics: [Combination of learning games and games] It is a timing speed calculation game that simulates a time race with an alarm clock. In the urgent sound of the alarm clock, it effectively improves the fun and efficiency of learning. At the same time as the game, enlighten the baby on number operation, and exercise the baby's quick calculation and oral calculation ability; [Difficulty and flexible settings] Addition, subtraction, multiplication and division, 5 to 100, parents can flexibly set the difficulty according to the child's age and ability, and gradually improve the baby's quick calculation ability; [Exquisite and interesting picture] The picture design is simple and atmospheric, and the animation effect is flexible and vivid, which effectively improves the interest of learning; Practice diligently to improve your speed calculation ability, children, come download and experience it!

About

Simple Drawing:DuDu Games

Features
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If you have such a game, you can meet your painting needs, and you don't need to complete the work without tedious operation steps. Do you really want to experience it? Come to "DuDu Painting game", super suitable for children's stick painting games, simple operation, exercise the hand and brain, gradually master steady painting skills, and become the little artist of painting! Rich painting material We provide a wealth of painting materials for the baby! Including 8 themes: farm animals, birds and insects, forest animals, ancient dinosaurs, marine animals, food desserts, transportation tools, seductive fruits, etc., each theme has a lot of cute cartoon patterns, rich in painting resources, babies You can choose any! The fun is uninterrupted ~ Multiple colors optional The game provides you with 24 colors, which can be matched with it and draws different paintings! Free graffiti creation The dotted lines of the dashed lines are provided in the canvas. Babies can draw graffiti according to their own ideas. They can also be matched with various colors. Draw colorful painting works, and use their imagination and creativity! Intelligent filling color After the baby outlines the drawing line, the game will fill the color for the intelligence of the work. Baby can get a satisfactory painting work without doing it, and the paintings with color will move! You can also receive exquisite stickers, go and see ~ Let's feel the happiness brought by this game together! You can draw a colorful pattern with just one brush and bold artistic creation! Is a super casual and relaxed painting game! 【连续包月说明】 -订阅周期:一个月 -订阅价格:每个月5元 -付款:用户确认购买并付款后记入iTunes账户 -取消订阅:您可以在苹果手机“设置”-->进入“iTunes Store与App Store”-->点击“Apple ID”,选择“查看Apple ID”,进入“账户设置”页面,点击“订阅”,管理自动订阅服务。 如需取消,每个计费周期结束前24小时关闭即可,到期前24小时内则不再扣费。 -续订:您的会员到期前24小时,苹果会自动为您从iTunes账户扣费,成功后有效期自动延长一个周期。 - 隐私政策:http://cdngamebd.ergeduoduo.com/ddedu/policy/privacy_policy_new.html - 自动续费协议 https://ergecdn.cn/vip/youliang/vip_protocal.html?pkg=com.duoduo.games.picdraw

Screenshots

Oral Arithmetic4 screens
Simple Drawing:DuDu Games4 screens

Verdict

The call

The clearest difference is in-app purchases: Oral Arithmetic at none against Simple Drawing:DuDu Games's 2. Oral Arithmetic also leads on update cadence (every 7 months vs every 34 months) and iOS requirement (9.0 vs 13.0). On price, ads 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. Simple Drawing:DuDu Games sells 2 in-app purchases, starting at $0.99 per month. Oral Arithmetic asks for nothing beyond the download.

UpkeepUpdate frequency

Oral Arithmetic ships an update every 7 months, Simple Drawing:DuDu Games every 34 months. Both last shipped on November 3, 2026.

Scorecard3 real differences · 3 level
Oral Arithmetic versus Simple Drawing:DuDu Games: the parameters behind the verdict, then further details
ParameterOral ArithmeticSimple Drawing:DuDu Games
PriceFreeFree
Update frequencyEvery 7 months — betterEvery 34 months
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size50 MB76 MB
Age rating4+4+
Developer猛 王有量网络科技(天津)有限公司

In-app purchases

None

Oral Arithmetic

No in-app purchases

2 purchases

Simple Drawing:DuDu Games

Subscriptions2
  • Monthly subscription$0.991 Month
  • Annual subscription$3.991 Year

Questions

Is Oral Arithmetic free?
Oral Arithmetic is free to download, with no in-app purchases.
Is Simple Drawing:DuDu Games free?
Simple Drawing:DuDu Games is free to download, with in-app purchases available.
Do Oral Arithmetic or Simple Drawing:DuDu Games have ads?
Neither Oral Arithmetic nor Simple Drawing:DuDu Games shows ads.
Which is updated more often, Oral Arithmetic or Simple Drawing:DuDu Games?
Oral Arithmetic ships an update every 7 months, and Simple Drawing:DuDu Games every 34 months. Most recently, Oral Arithmetic was updated on November 3, 2026 and Simple Drawing:DuDu Games on November 3, 2026.

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