Comparison

CAS School vs Subtractor

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

Head to head

About

CAS School

Features

Read full description

GlowSIMS is Pakistan's leading school information management system. This app is to assist students in their daily tasks related to managing their classwork.

About

Subtractor

Features

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Subtractor is a native iOS app coded in Swift, designed as a personal project to help students master subtractions effortlessly. With interactive exercises, customizable practice sessions, and progress tracking, Subtractor creates an engaging learning experience tailored to individual needs. Its sleek, distraction-free interface and responsive design make it a perfect tool for students, parents, and educators seeking to build strong foundational math skills.

Screenshots

CAS School4 screens

Subtractor4 screens

Verdict

The call

The clearest difference is update cadence: Subtractor at every 8 days against CAS School's every 3 months. CAS School's advantage is iOS requirement (12.0 vs 15.6). 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CAS School ships an update every 3 months, Subtractor every 8 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 4 level

CAS School versus Subtractor: the parameters behind the verdict, then further details
Parameter	CAS School	Subtractor
Price	Free	Free
Update frequency	Every 3 months	Every 8 days — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	12.0 — better	15.6
Further details — not scored
Size	103 MB	0 MB
Age rating	4+	4+
Developer	CodeHEX Solutions	David Kelen

In-app purchases

None

CAS School

No in-app purchases

None

Subtractor

No in-app purchases

Questions

Is CAS School free?

CAS School is free to download, with no in-app purchases.

Is Subtractor free?

Subtractor is free to download, with no in-app purchases.

Do CAS School or Subtractor have ads?

Neither CAS School nor Subtractor shows ads.

Which is updated more often, CAS School or Subtractor?

CAS School ships an update every 3 months, and Subtractor every 8 days. Most recently, CAS School was updated on October 30, 2026 and Subtractor on October 25, 2026.