Comparison

4 = 1 vs Pillars Coaching

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

Head to head

4 = 1

Solve fun math puzzles!

About

4 = 1

Features

Read full description

Solve fun math puzzles! Each puzzle is unique and has at least one possible solution. Use operators to form creative and complex equations. Created by Cory Tripathy and Zoe Cutler

About

Pillars Coaching

Read full description

Get Personalized Learning Outcomes for everyone. An in-depth performance analysis, where you can know your strong and weak points, your all India rank, your state rank etc. You will also get a virtual tutor who is completely dedicated to bringing out the best in you. It will prioritize your concepts, chapters, topics, and questions through machine learning. Get this innovative learning experience only on Rkpillars!!

Screenshots

4 = 13 screens

Pillars Coaching4 screens

Verdict

The call

The clearest difference is in-app purchases: 4 = 1 at none against Pillars Coaching's 10. 4 = 1 also leads on update cadence (monthly vs every 6 months). Pillars Coaching's advantage is device support (3 vs 1). On price, ads and iOS requirement 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. Pillars Coaching sells 10 one-off in-app purchases. 4 = 1 asks for nothing beyond the download.

UpkeepUpdate frequency

4 = 1 ships an update monthly, Pillars Coaching every 6 months. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.

Scorecard3 real differences · 3 level

4 = 1 versus Pillars Coaching: the parameters behind the verdict, then further details
Parameter	4 = 1	Pillars Coaching
Price	Free	Free
Update frequency	Monthly — better	Every 6 months
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone	iPhone, iPad, iPod — better
Requires iOS	16.0	15.5 — better
Further details — not scored
Size	0 MB	147 MB
Age rating	4+	4+
Developer	Zoe Cutler	Online Learning

In-app purchases

None

4 = 1

No in-app purchases

10 purchases

Pillars Coaching

One-time10

Package - AN$29.99
Package - AR$29.99
Package - AS$29.99

Show 7 more

Package - AU$34.99
Package - BC$39.99
Package - BB$39.99
Package - AW$39.99
Package - BE$44.99
Package - BH$49.99
Package - BF$49.99

Questions

Is 4 = 1 free?

4 = 1 is free to download, with no in-app purchases.

Is Pillars Coaching free?

Pillars Coaching is free to download, with in-app purchases available.

Do 4 = 1 or Pillars Coaching have ads?

Neither 4 = 1 nor Pillars Coaching shows ads.

Which is updated more often, 4 = 1 or Pillars Coaching?

4 = 1 ships an update monthly, and Pillars Coaching every 6 months. Most recently, 4 = 1 was updated on September 30, 2026 and Pillars Coaching on October 3, 2026.