Comparison

StudyPug vs Math Lock

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

Head to head
About

StudyPug

This app offers over 5,000 video lessons created by certified teachers to help K-12 and college students master math and English. It includes features like photo problem search, practice exercises with feedback, and progress tracking, along with test prep for various standardized exams.

Highlights
  • 5,000+ video lessons by certified teachers
  • Photo search for math problems
  • Step-by-step explanations
  • Practice problems with instant feedback
  • Progress tracking and mastery scores
  • Test prep for SAT, GED, ASVAB, AP, ACT, ACCUPLACER
Features
Read full description

Math & English Help That Actually Works We teach four subjects: Math, English, Science and Social Studies. 5,000+ step-by-step video lessons run from Kindergarten through college, and test-prep courses for the SAT, GED, ASVAB, AP, ACT and ACCUPLACER are in the catalog. HOW A SESSION RUNS • Pick 7th Grade Math and the topics arrive in the order the course teaches them • Each lesson teaches the method, then works through an example • Practice adjusts to your child's level, with the full solution after every question • They can retake a quiz until the score says the topic is solid • Continue Learning opens the next topic, never one already finished • Study Points and a daily streak keep the habit going • When they are stuck mid-question, Photo Search finds the lesson that covers it WHAT YOU GET AS THE PARENT • Each child gets their own profile and their own progress • A study plan on each course they open, in the order your state's standards set out • Topic scores that are current the moment you open the app • Homeschool families set the pace; nothing is marked late WHAT IS COVERED On video: Math from Kindergarten to college. English and Social Studies to Grade 7. Science to Grade 7, plus senior Physics and Chemistry (including Organic Chemistry). Questions and quizzes: all four subjects, Kindergarten to Grade 12 Test prep in the catalog: SAT Math, GED Mathematics, ASVAB Math Knowledge, AP Calculus AB/BC, AP Statistics, ACT Math, ACCUPLACER 2.1+ MILLION U.S. STUDENTS USE STUDYPUG • 50,000+ practice problems with worked solutions • Courses aligned to your state standards, so the next topic follows the one their class just finished WHAT IT COSTS Plans start at $14.99 a month. Cancel any time. StudyPug is a subscription service. Payment is charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless turned off at least 24 hours before the end of the current period. Manage subscriptions in your account settings. Privacy Policy: https://www.studypug.com/privacy Terms of Service: https://www.studypug.com/terms

About

Math Lock

This app transforms screen time into a learning opportunity for children aged 4-15. It requires solving math problems to unlock the device and offers guided practice, a private tutor, and brain training exercises. Parents can manage screen time while children engage with a fun, curriculum-based math experience.

Highlights
  • Math challenges to unlock device
  • Curriculum-based math for ages 4-15
  • Personalized questions by level
  • Private Tutor with photo solving
  • Brain training activities
  • Parental controls
Features
Read full description

Math Lock is a smart and engaging learning app that helps kids build math skills while giving parents more control over screen time. Designed for ages 4 to 15 (Year 0–10), Math Lock turns your device into a learning tool by requiring children to solve a math challenge before unlocking. But Math Lock is more than a lock screen app. It also includes guided practice, a Private Tutor, photo-based math help, and brain training features that make learning more interactive and useful every day. Questions are adapted by level, helping children progress from basic number recognition and simple equations to fractions, ratios, negative numbers, algebra, and more. Parents can support better habits and focused learning, while children enjoy a playful, colourful experience. Perfect for families who want learning, practice, and screen control in one app. Features: Lock screen with math challenges Curriculum-based math for Year 0–10 (ages 4–15) Auto-generated questions tailored to your child’s level Practice mode for daily maths learning Private Tutor with Ask, Snap, and Learn modes Step-by-step explanations for solving maths problems Photo solving for worksheets, textbooks, and handwritten questions Topic-based learning, including equations, fractions, ratios, and algebra IQ Test and brain training activities Parent settings and control support Fun, child-friendly design that encourages confidence and consistency Make screen time smarter with Math Lock. Terms of Service: https://mathlockapp.com/terms Privacy Policy: https://mathlockapp.com/privacy

Screenshots

StudyPug4 screens
Math Lock4 screens

Verdict

The call

The clearest difference is review sentiment: StudyPug at 59% against Math Lock's 0%. StudyPug also leads on rating (4.7 vs 1.0) and ratings volume (2.1K vs 1). Math Lock's advantage is monetization model (free with in-app purchases vs subscription). 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. StudyPug sells 11 in-app purchases, starting at $4.99 per 7 days and Math Lock sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

StudyPug holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: StudyPug has 2.1K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 59% of StudyPug's written reviews are positive against 0% of Math Lock's.

UpkeepUpdate frequency

StudyPug ships an update every 8 days, Math Lock every 3 weeks. The most recent releases landed on October 18, 2026 and September 26, 2026 respectively.

Scorecard5 real differences · 5 level
StudyPug versus Math Lock: the parameters behind the verdict, then further details
ParameterStudyPugMath Lock
PriceFreeFree
Rating4.7 (2.1K ratings) — better1.0 (1 ratings)
Positive reviews59.4% of reviews — better0.0% of reviews
Number of ratings2.1K — better1
Update frequencyEvery 8 days — betterEvery 3 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better16.6
Further details — not scored
Size57 MB118 MB
Age rating4+4+
DeveloperStudyPug Inc.SPARKHIVE TECH LTD

Customer experience

StudyPug

All ratings2,083 ratings
Positive93.2%
Neutral1.8%
Negative5.0%
Written reviews256 reviews
Positive59.4%
Neutral5.9%
Negative34.8%

Math Lock

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

StudyPug

Reported bugs

3 issues
  • Login issues
  • Inability to cancel subscription
  • Compatibility problems with older devices

Requested features

5 requests
  • More free content and lessons
  • Interactive exercises and games
  • Expanded course coverage
  • Improved user interface
  • Ability to download videos for offline use

Math Lock

Not enough reviews yet to summarise bugs or requests.

In-app purchases

11 purchases

StudyPug

Subscriptions11
  • StudyPug (1-week)3 Days trial$4.997 Days
  • StudyPug (1-week)7 Days trial$4.997 Days
  • StudyPug (1-month)3 Days trial2 variants$14.991 Month
Show 8 more
  • StudyPug (1-month)1 Month trial$14.991 Month
  • StudyPug (1-month)2 variants$14.991 Month
  • StudyPug (6-months)3 Days trial$39.996 Months
  • StudyPug (1-year)3 Days trial$58.991 Year
  • StudyPug (6-months)$58.996 Months
  • StudyPug (6-months)3 Days trial$79.006 Months
  • StudyPug (1-year)$88.991 Year
  • StudyPug (1-year)$119.001 Year
2 purchases

Math Lock

Subscriptions2
  • Math Lock Premium3 Days trial$2.991 Month
  • Math Lock Premium Yearly3 Days trial$29.991 Year

Questions

Is StudyPug free?
StudyPug is free to download, with in-app purchases available.
Is Math Lock free?
Math Lock is free to download, with in-app purchases available.
Which has better reviews, StudyPug or Math Lock?
StudyPug is rated higher. StudyPug averages 4.7 out of 5 from 2.1K ratings, while Math Lock averages 1.0 from 1 ratings.
Do StudyPug or Math Lock have ads?
Both StudyPug and Math Lock show ads.
Which is updated more often, StudyPug or Math Lock?
StudyPug ships an update every 8 days, and Math Lock every 3 weeks. Most recently, StudyPug was updated on October 18, 2026 and Math Lock on September 26, 2026.

Other comparisons