Comparison

OKmath初中 vs BUKA

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

Head to head
About

OKmath初中

A free educational app designed for Chinese students to enhance their junior high school learning. It offers a platform for academic support and skill development.

Highlights
  • Free learning software
  • Targeted at Chinese students
  • Junior high curriculum focus
  • Academic support
  • Skill development
Features
Read full description

OKmath初中 给中国孩子的免费学习软件

About

BUKA

This tool helps elementary school students learn vocabulary with parental involvement. It focuses on reinforcing weak words identified through dictation and review, using a systematic method to ensure true mastery.

Highlights
  • Three-color card system for mastery status
  • Recall and handwriting practice
  • Supports Chinese and English vocabulary
  • Batch import of words
  • Adjustable practice quantity
  • Learning progress tracking
  • Backup and export functionality
Features
Read full description

BUKA is a parent-guided study tool that helps learners focus on the words and Chinese characters they haven’t mastered yet. Instead of repeating the whole list, BUKA keeps the difficult items in practice and lets mastered ones step aside. No ads. No account required. Study data is stored on your device by default. BUKA grew out of real homework sessions with my daughter. We kept seeing the same problem: some words looked familiar when the answer was right there, but disappeared when she had to recall and write them on her own. Sometimes a word was correct today and forgotten again a few days later. So I built a simple system for capturing what actually needs more work and bringing it back until it sticks. HOW THE THREE-COLOR METHOD WORKS Every new card starts in Red. During practice, BUKA selects a small set from your Red and Yellow cards. First recall the answer, then write it down, check your work, and update the card: Red — Still learning. Keep practicing. Yellow — Correct this time, but review again. Green — Mastered for now. Give it a break. For Chinese, learners can use Pinyin as a cue and write the matching characters. For English, learners can use the Chinese meaning as a cue and write the English word or phrase. The point isn’t to tap “Know” or “Don’t Know.” BUKA asks you to do the real work first: recall, write, check, then decide what still needs practice. GOOD FOR REVIEWING • Chinese characters, words, and commonly missed items • English words and phrases • Mistakes from homework, quizzes, spelling practice, or dictation • School vocabulary and key terms • Custom review lists organized by a parent KEY FEATURES • Three-color card box — Red, Yellow, and Green make mastery easy to see • Recall before reveal — try to remember before checking the answer • Writing practice — don’t just look at the answer; write it • Chinese and English cards • Batch import for faster setup • Adjustable number of items per practice round • Study History to review completed sessions • Backup import and export • Works on iPhone and iPad WHY I BUILT BUKA I don’t believe better learning always means doing more exercises. Once a mistake has shown us exactly what needs attention, it makes more sense to focus there instead of repeatedly reviewing everything. I’ve spent more than 15 years working in digital product development, including years building education products. More importantly, I’m a dad who has spent countless evenings helping my daughter with homework, spelling, corrections, and review. The three-color card method started as something we used at home. After I shared it with other parents, many asked whether there could be an app for it. That became BUKA. BUKA is meant to be a quiet, focused tool for family study: Keep what still needs work. Practice it deliberately. Let go of what’s already learned.

Screenshots

OKmath初中3 screens
BUKA4 screens

Verdict

The call

OKmath初中 and BUKA both sit at 5.0 stars, but that hides the real split: 91% of BUKA's written reviews are positive against 0% of OKmath初中's. OKmath初中's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 15.0). On price, rating, ratings volume and update cadence 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. BUKA sells 1 one-off in-app purchase. OKmath初中 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for OKmath初中 against 5.0 for BUKA. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 0% of OKmath初中's written reviews are positive against 91% of BUKA's.

UpkeepUpdate frequency

OKmath初中 ships an update every 2 weeks, BUKA every 9 days. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 7 level
OKmath初中 versus BUKA: the parameters behind the verdict, then further details
ParameterOKmath初中BUKA
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews0.0% of reviews90.9% of reviews — better
Number of ratings11
Update frequencyEvery 2 weeksEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size25 MB53 MB
Age rating4+4+
Developer北京橙旭园网络技术有限公司超 孟

Customer experience

OKmath初中

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

BUKA

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews11 reviews
Positive90.9%
Neutral0.0%
Negative9.1%

In-app purchases

None

OKmath初中

No in-app purchases

1 purchases

BUKA

One-time1
  • 解锁完整版$7.99

Questions

Is OKmath初中 free?
OKmath初中 is free to download, with no in-app purchases.
Is BUKA free?
BUKA is free to download, with in-app purchases available.
Which has better reviews, OKmath初中 or BUKA?
OKmath初中 and BUKA are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do OKmath初中 or BUKA have ads?
Neither OKmath初中 nor BUKA shows ads.
Which is updated more often, OKmath初中 or BUKA?
OKmath初中 ships an update every 2 weeks, and BUKA every 9 days. Most recently, OKmath初中 was updated on October 12, 2026 and BUKA on October 6, 2026.

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