Comparison

Common Core Math K vs eTRY

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

Head to head
About

Common Core Math K

Features
Read full description

Common Core Math Tutors teaches Kindergarten through grade 6. It creates an individualized math program based on a child's strengths and weaknesses. Learning is interactive and engaging while teaching math concepts. Teachers can create unique programs based on individual problems, Common Core Objectives, and grade level. Reading skills are not required. Developed for parents, teachers, schools, and school districts. Student subscriptions are individually controlled by the student/parent/teacher. Lessons are created and assigned to the student. Teacher subscriptions have two options: classes can be created and students and lessons are assigned to the class, and individual lessons can be created and assigned to any individual. School subscriptions include the ability to create as many teachers as desired, as well as all the teacher and student capabilities. Common Core Math Tutors teaches Kindergarten through grade 6. It creates an individualized math program based on a child's strengths and weaknesses. Learning is interactive and engaging while teaching math concepts. Teachers can create unique programs based on individual problems, Common Core Objectives, and grade level. Reading skills are not required. Developed for parents, teachers, schools, and school districts. Each type has a monthly or annual plan. All subscriptions available in the app are listed below: - Student monthly for $6.49/month - Student annually for $70.99/year - Teacher monthly per 5 students for $24.99 / month - Teacher monthly per 10 students for $49.99/month - Teacher monthly per 15 students for $74.99/month - Teacher monthly per 20 students for $99.99/month - Teacher monthly per 25 students for $124.99/month - Teacher monthly per 30 students for $149.99/month - Teacher annually per 5 students for $329.99/year - Teacher annually per 10 students for $699.99/year - Teacher annually per 15 students for $999.99/year - School monthly per 20 students for $79.99/month - School monthly per 30 students for $119.99/month - School monthly per 40 students for $159.99/month - School monthly per 50 students for $199.99/ month - School annually per 20 students for $899.99/yearThe Common Core Tutors application provides 3 types of subscriptions: student, teacher, and school. Terms of use https://internetmath.net/termsUse

About

eTRY

Features
Read full description

This app is a toolkit for teens who want help to address everyday issues and problems. Specific skills focus on managing decision making, dealing with stress, and avoiding triggers that lead to drug use, including opioid use. Each tool in the app provides some education as well as engaging activities that promote the building of practical and meaningful skills for you to easily learn and apply.

Screenshots

eTRY4 screens

Verdict

The call

The clearest difference is in-app purchases: eTRY at none against Common Core Math K's 18. eTRY also leads on update cadence (every 3 weeks vs every 2 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Common Core Math K sells 18 in-app purchases, starting at $0.99 per month. eTRY asks for nothing beyond the download.

UpkeepUpdate frequency

Common Core Math K ships an update every 2 months, eTRY every 3 weeks. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

Scorecard3 real differences ยท 3 level
Common Core Math K versus eTRY: the parameters behind the verdict, then further details
ParameterCommon Core Math KeTRY
PriceFreeFree
Update frequencyEvery 2 monthsEvery 3 weeks โ€” better
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPadiPhone, iPad, iPod โ€” better
Requires iOS13.0 โ€” better14.0
Further details โ€” not scored
Size56 MB18 MB
Age rating4+4+
DeveloperVEENETRONICS INCORBIS, Inc

In-app purchases

18 purchases

Common Core Math K

Subscriptions18
  • 1 Student per month$0.991 Month
  • Teacher (5 students) monthly$3.491 Month
  • Teacher (10 students) monthly$6.901 Month
Show 15 more
  • School (20 students) monthly$9.791 Month
  • 1 Student per year$9.991 Year
  • Teacher (15 students) monthly$10.491 Month
  • Teacher (20 students) monthly$13.901 Month
  • Teacher (25 students) monthly$17.491 Month
  • School (40 students) monthly$19.491 Month
  • School (50 students) monthly$24.491 Month
  • Teacher (5 students) yearly$35.491 Year
  • School (20 students) yearly$69.901 Year
  • School (30 students) yearly$104.991 Year
  • School (40 students) yearly$139.991 Year
  • Teacher (20 students) yearly$141.991 Year
  • School (50 students) yearly$173.991 Year
  • Teacher (25 students) yearly$176.991 Year
  • Teacher (30 students) yearly$214.991 Year
None

eTRY

No in-app purchases

Questions

Is Common Core Math K free?
Common Core Math K is free to download, with in-app purchases available.
Is eTRY free?
eTRY is free to download, with no in-app purchases.
Do Common Core Math K or eTRY have ads?
Neither Common Core Math K nor eTRY shows ads.
Which is updated more often, Common Core Math K or eTRY?
Common Core Math K ships an update every 2 months, and eTRY every 3 weeks. Most recently, Common Core Math K was updated on October 2, 2026 and eTRY on October 5, 2026.

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