Comparison

ISOW vs GradeBuddy

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

Head to head
About

ISOW

This educational app offers online Bible courses for students. Access individual and group studies, earn certificates, and explore a bookstore and events calendar. Enhance learning with podcasts and videos, and connect with other students.

Highlights
  • Online Bible courses
  • Individual and group studies
  • Certificate and degree programs
  • Bookstore and events calendar
  • Podcasts and videos
  • Student community features
Features
Read full description

ISOW is an educational app designed for students seeking to deepen their knowledge of the Bible and related subjects. Access a variety of online courses, including individual and group studies, earn certificates or degrees, and explore resources such as the bookstore and events calendar. Stay connected with fellow students and enhance your learning experience with insightful podcasts and videos.

About

GradeBuddy

Features
Read full description

GradeBuddy is your personal grade management app for school and high school. It helps you organize your subjects, track your grades, and calculate averages effortlessly – without complicated spreadsheets or unnecessary features. Features • Manage Subjects Create and organize as many subjects as you want. Edit or remove them at any time. • Add & Edit Grades Enter grades with titles, dates, and categories. All data is saved reliably, even after closing the app. • Custom Weightings Define grading categories such as exams, tests, or oral participation and decide how much each category counts. • Default Grading Groups Save time by automatically applying your preferred grading groups to every new subject. • Automatic Average Calculation Instantly see your average per subject and your overall average. • Grade Progress Tracking Visualize your performance over time and identify trends. • Reliable Offline Storage All data is stored locally on your device. No account, no internet required. Who is GradeBuddy for? • Middle school and high school students • Students who want a clear and stress-free way to manage their grades • Perfect for weighted grading systems Privacy Your data stays yours. GradeBuddy stores everything locally on your device – no cloud, no data sharing.

Screenshots

ISOW3 screens
GradeBuddy2 screens

Verdict

The call

The clearest difference is iOS requirement: ISOW at 15.6 against GradeBuddy's 18.5. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ISOW ships an update every 3 months, GradeBuddy every 2 months. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

Scorecard1 real difference · 9 level
ISOW versus GradeBuddy: the parameters behind the verdict, then further details
ParameterISOWGradeBuddy
PriceFreeFree
Rating4.9 (44 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings44 — better—
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better18.5
Further details — not scored
Size40 MB7 MB
Age rating4+4+
DeveloperTecGuruSteve Winter

In-app purchases

None

ISOW

No in-app purchases

None

GradeBuddy

No in-app purchases

Questions

Is ISOW free?
ISOW is free to download, with no in-app purchases.
Is GradeBuddy free?
GradeBuddy is free to download, with no in-app purchases.
Do ISOW or GradeBuddy have ads?
Neither ISOW nor GradeBuddy shows ads.
Which is updated more often, ISOW or GradeBuddy?
ISOW ships an update every 3 months, and GradeBuddy every 2 months. Most recently, ISOW was updated on October 24, 2026 and GradeBuddy on October 11, 2026.

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