Comparison

SQL Practice vs Boya OS

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

Head to head
About

SQL Practice

Master SQL with short, daily interactive sessions. Practice real-world queries and datasets on your phone to build confidence for career changes, professional development, or technical interviews. Learn database concepts and advanced techniques at your own pace.

Highlights
  • 15-minute daily learning sessions
  • Interactive exercises with real-world datasets
  • Progressive curriculum from beginner to advanced
  • Instant feedback and mistake analysis
  • Gamified progress tracking (streaks, XP, achievements)
  • Master SELECT, JOINs, aggregations, and subqueries
Read full description

Learn SQL in 15-minute daily sessions — on your phone, anywhere. SQL Practice turns idle moments into practical data skills. With interactive exercises, realistic datasets, and instant feedback, you’ll build SQL confidence from beginner fundamentals to interview-ready skills. Who it’s for: - Career changers entering tech - Professionals adding SQL to their toolkit - Students preparing for technical interviews - Anyone curious about data and databases Why it’s different: - Learn by doing: write and run real SQL queries - SQL Patterns (Pro): understand reusable approaches instead of memorizing answers - Database Bits (Pro): build intuition with short, visual lessons - Smarter feedback (Pro): see why your result differs from the expected output - Progressive curriculum: start with the fundamentals and advance at your own pace - Mobile-first design: practice whenever you have a few spare minutes When you get stuck: With Pro, SQL Practice helps you move forward without immediately giving away the answer. Use progressive hints, compare your results with the expected output, and explore SQL X-Ray explanations that break queries into understandable steps. What you’ll learn: - SELECT, WHERE, ORDER BY, and filtering - JOINs and relationships between tables - COUNT, SUM, AVG, GROUP BY, and HAVING - Subqueries and advanced query techniques - Reusable SQL patterns (Pro) - Core database concepts, indexes, and data design (Pro) Practice your way: - Guided SQL lessons - Easy, medium, and hard exercises - Quick drills - Short visual database lessons (Pro) - Daily practice challenges - Streaks, XP, achievements, and progress tracking - Hardcore mode: turn off the advanced SQL keyboard and solve the toughest challenges without assistance—the highest level of SQL practice. Free and Pro: Core SQL lessons, exercises, drills, streaks, and basic progress tracking are free. An optional auto-renewing Pro subscription unlocks SQL Patterns, Database Bits, progressive hints, detailed result comparisons, and SQL X-Ray step-by-step explanations. Available plans, billing periods, trial eligibility, and localized prices are shown before purchase. No purchase is required to use the core learning and practice features. Start your data journey today — no prior coding experience required, just 15 minutes of curiosity. Privacy Policy: https://martongreber.github.io/mvp/privacy.html Terms of Use: https://martongreber.github.io/mvp/terms.html

About

Boya OS

This app uses AI to record, transcribe, and summarize audio from meetings, interviews, and speeches. It transforms spoken content into accurate text and generates structured notes, enhancing efficiency for various audio workflows.

Highlights
  • AI-powered audio recording
  • Accurate transcription
  • Automated summaries
  • Multilingual support
  • Structured meeting notes
  • Subtitle generation
Features
Read full description

Boya OS: Audio Transcription & Summaries Boya OS is an intelligent audio recording, transcription, and translation app developed by Boya, It is designed for multilingual meetings, interviews, speeches, and content documentation. With powerful speech recognition and natural language processing, BOYA Notra transforms recordings into accurate transcripts and automatically generates structured summaries, significantly improving the usability and efficiency of recorded audio. Key Feature • Summaries: Automatically extracts key information and generates clear, structured meeting notes and concise highlights. Ideal Use Cases • Recording and summarization of business meetings • Organizing interviews, lectures, and spoken content • Multilingual communication and international collaboration • Video creation, podcast transcription, and subtitle generation By deeply integrating professional-grade audio hardware with cutting-edge technology, BOYA Notra delivers a next-generation voice productivity experience. Whether you’re a content creator, business professional, or language learner, Boya OS is an essential assistant for your audio workflows. Download Boya OS now and experience efficiency in voice recording and transcription.

Screenshots

SQL Practice4 screens
Boya OS4 screens

Verdict

The call

The clearest difference is review sentiment: SQL Practice at 85% against Boya OS's 33%. SQL Practice also leads on rating (4.7 vs 2.3) and monetization model (free vs free with in-app purchases). Boya OS's advantage is update cadence (every 11 days vs every 6 months) and chart position (#7 vs #61). On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SQL Practice sells 2 in-app purchases, starting at $3.99 per 7 days and Boya OS sells 8 in-app purchases, starting at $17.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

SQL Practice holds the better App Store score, 4.7 against 2.3. That said, the two scores are not equally well evidenced: SQL Practice has 112 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 85% of SQL Practice's written reviews are positive against 33% of Boya OS's.

UpkeepUpdate frequency

SQL Practice ships an update every 6 months, Boya OS every 11 days. The most recent releases landed on September 24, 2026 and September 25, 2026 respectively.

Scorecard7 real differences · 4 level
SQL Practice versus Boya OS: the parameters behind the verdict, then further details
ParameterSQL PracticeBoya OS
PriceFreeFree
Rating4.7 (112 ratings) — better2.3 (3 ratings)
Positive reviews84.8% of reviews — better33.3% of reviews
Number of ratings112 — better3
Update frequencyEvery 6 monthsEvery 11 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
Best chart rank#61#7 — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.6
Further details — not scored
Size48 MB167 MB
Age rating4+4+
DeveloperMarton GreberShenzhen Perfect Acoustic Technology Co., LTD

Customer experience

SQL Practice

All ratings112 ratings
Positive93.8%
Neutral3.6%
Negative2.7%
Written reviews33 reviews
Positive84.8%
Neutral9.1%
Negative6.1%

Boya OS

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews12 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

2 purchases

SQL Practice

Subscriptions2
  • Pro Access3 Days trial$3.997 Days
  • Pro Access$19.991 Year
8 purchases

Boya OS

Subscriptions4
  • Pro (billed monthly)$17.991 Month
  • Transcription All Summary Templates$29.991 Month
  • Pro (billed annually)7 Days trial$99.991 Year
Show 1 more
  • Ultimat billed annually7 Days trial$239.991 Year
One-time4
  • 120 minutes Transcription$2.90
  • 600 minutes Transcription$9.90
  • 3000 minutes Transcription$48.90
Show 1 more
  • 6000 minutes Transcription$88.90

Questions

Is SQL Practice free?
SQL Practice is free to download, with in-app purchases available.
Is Boya OS free?
Boya OS is free to download, with in-app purchases available.
Which has better reviews, SQL Practice or Boya OS?
SQL Practice is rated higher. SQL Practice averages 4.7 out of 5 from 112 ratings, while Boya OS averages 2.3 from 3 ratings.
Do SQL Practice or Boya OS have ads?
Neither SQL Practice nor Boya OS shows ads.
Which is updated more often, SQL Practice or Boya OS?
SQL Practice ships an update every 6 months, and Boya OS every 11 days. Most recently, SQL Practice was updated on September 24, 2026 and Boya OS on September 25, 2026.
Which is more popular, SQL Practice or Boya OS?
SQL Practice currently peaks at #61 in the App Store charts, and Boya OS at #7. Chart position reflects recent download velocity rather than total install base.

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