Comparison

오딩가 잉글리시 vs Flash

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

Head to head
About

오딩가 잉글리시

Features
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Is your child bored with English? Learn English in a fun way with AI character Odinga. Experience the natural growth of your child’s English speaking skills by talking with Odinga. From children who can not speak English at all, to children who can, but are not yet proficient. Make learning English super fun! - Learning BY TEACHING Learning by teaching method WORKS BEST than any other learning methods. Let your child be the teacher of Odinga, an AI duck from universe, and teach him to speak English. Your child become a very responsible teacher and focus on English themselves. DO NOT WORRY about your child who do not speak English well. Dr.Noah, an English professor is always there for your child to help with it. - SELF-DIRECTED Learning When a child is not self-directed in learning, it is because it's "not fun”. Odinga English is self-motivated learning without stress. Have fun teaching Odinga and gifting him with the coins your child earn. As your child teach to learn and decorate Odinga on their own, you'll see your child being confident in English soon. - Full sentences·words repetition practicing Repetition is the key for learning English. With Patterns practicing, webtoon role- play, vocabulary, YBM webtoon from simple expressions to various complex expressions your child will learn what people often speak in English-speaking countries with Odinga English. Repeatedly speak full sentences to correct your pronunciation and learn natural sentence patterns. - Spiral Curriculum The iterative revisiting of similar patterns which have different meanings and different patterns which have similar meanings are encountered within the curriculum. The spiral curriculum helps your child to deepen understanding of English structure. It is planned and developed by experts of child education such as a Harvard graduate, a former IBM consultant and a former officer of a large education company for children in Korea. If you are looking for the optimized and motivational English education method for your kids, Odinga English is it. - Casual CONVERSATION WITH ODINGA When your children get bored, they can talk to Odinga. Practice speaking English with Odinga anytime, anywhere. * Boost motivation and confidence in learning English, reduce anxiety and stress in a safe online environment with Odinga English, the AI powered English speaking Any questions or comments about Odinga English? Please send an email to coach.odinga@gmail.com with your country, name, mobile number and details of your questions or comments for quick response. We will get back to you as soon as possible. ---- Developer : coach.odinga@gmail.com app for your children Terms of service : https://odinga.theplang.com/elua Privacy policy: https://odinga.theplang.com/privacy Contact: coach.odinga@gmail.com

About

Flash

Features
Read full description

Train your mental arithmetic with numbers that flash one at a time. Watch the sequence, add it in your head, and enter the total before the next round. Flash keeps practice simple: • Choose 1–7 digits and 2–500 numbers. • Set the display speed from 0.1 to 3.0 seconds. • Practice 1–999 rounds or keep going in Infinite mode. • Turn answer input and automatic continuation on or off. • Choose a light or blue background. • Use sound, haptic, or both for feedback. • Save your favorite settings as presets. • Check accuracy, response time, streaks, and total training time. • Review the exact number sequence for each round and retry mistakes. Use it for a quick session or a longer challenge. Flash gives you a clear way to practice at your own pace. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

오딩가 잉글리시4 screens
Flash4 screens

Verdict

The call

The clearest difference is in-app purchases: Flash at none against 오딩가 잉글리시's 4. 오딩가 잉글리시's advantage is ads (none vs shown) and update cadence (monthly vs every 3 months). On price 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. 오딩가 잉글리시 sells 4 in-app purchases, starting at $12.00 per month. Flash asks for nothing beyond the download.

UpkeepUpdate frequency

오딩가 잉글리시 ships an update monthly, Flash every 3 months. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

Scorecard4 real differences · 2 level
오딩가 잉글리시 versus Flash: the parameters behind the verdict, then further details
Parameter오딩가 잉글리시Flash
PriceFreeFree
Update frequencyMonthly — betterEvery 3 months
AdsNo — betterYes
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size855 MB29 MB
Age rating4+4+
DeveloperTHE PLAN Gyeeun seo

In-app purchases

4 purchases

오딩가 잉글리시

Subscriptions4
  • YBM Subscription$12.001 Month
  • YBM contents$12.001 Month
  • odinga's package subscription$14.991 Month
Show 1 more
  • Odinga's package$14.991 Month
None

Flash

No in-app purchases

Questions

Is 오딩가 잉글리시 free?
오딩가 잉글리시 is free to download, with in-app purchases available.
Is Flash free?
Flash is free to download, with no in-app purchases.
Do 오딩가 잉글리시 or Flash have ads?
Flash shows ads; 오딩가 잉글리시 does not.
Which is updated more often, 오딩가 잉글리시 or Flash?
오딩가 잉글리시 ships an update monthly, and Flash every 3 months. Most recently, 오딩가 잉글리시 was updated on October 6, 2026 and Flash on October 5, 2026.

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