Comparison

ColumnAddSub vs Purple Mash Library Browser

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

Head to head

Purple Mash Library Browser

Free

📚 Education

No ratingsView app →

About

ColumnAddSub

Features

Read full description

An app for parents/mentors to engage with young learners to demonstrate and practice the process of column addition and subtraction. Helps learners to understand the process by swiping the images in the correct order. Develops deeper understanding by using place value counters prior to the abstract numerals. Provides practice of the process by completing the examples and sets reasoning problems through the missing digits challenge.

About

Purple Mash Library Browser

Features

Read full description

The Purple Mash Library Browser Application allows you to make the most of Purple Mash Library on your device. - A browser optimised for using Purple Mash Library on your device (recommended for use on iPads) - Requires an internet connection - Removes the gestures for going to the previous/next page. - Removes the tab bar which gives more space to Purple Mash Library. - Allows administrators to set the Purple Mash Library Home Page, Purple Mash Library Quick Login or Purple Mash Library Portal for ease of access. - Allows printing from the app - Allows switching to other 2Simple products that use has a subscription for, via the product switch feature

Screenshots

ColumnAddSub4 screens

Purple Mash Library Browser4 screens

Verdict

The call

The clearest difference is update cadence: ColumnAddSub at monthly against Purple Mash Library Browser's every 3 months. 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

ColumnAddSub ships an update monthly, Purple Mash Library Browser every 3 months. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

Scorecard1 real difference · 5 level

ColumnAddSub versus Purple Mash Library Browser: the parameters behind the verdict, then further details
Parameter	ColumnAddSub	Purple Mash Library Browser
Price	Free	Free
Update frequency	Monthly — better	Every 3 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad	iPhone, iPad, iPod — better
Requires iOS	16.2	15.6 — better
Further details — not scored
Size	1 MB	6 MB
Age rating	4+	4+
Developer	PETER JAMES SIDES	2 Simple Limited

In-app purchases

None

ColumnAddSub

No in-app purchases

None

Purple Mash Library Browser

No in-app purchases

Questions

Is ColumnAddSub free?

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

Is Purple Mash Library Browser free?

Purple Mash Library Browser is free to download, with no in-app purchases.

Do ColumnAddSub or Purple Mash Library Browser have ads?

Neither ColumnAddSub nor Purple Mash Library Browser shows ads.

Which is updated more often, ColumnAddSub or Purple Mash Library Browser?

ColumnAddSub ships an update monthly, and Purple Mash Library Browser every 3 months. Most recently, ColumnAddSub was updated on October 3, 2026 and Purple Mash Library Browser on October 7, 2026.