Comparison

ColumnAddSub vs MULTI

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

Head to head
About

ColumnAddSub

Features
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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

MULTI

Features
Read full description

The MULTI-SCHOOLS Mobile App brings together a vibrant set of digital features designed to help schools grow into truly welcoming and inclusive learning communities. It offers: - A Self-Assessment Tool that helps schools measure their readiness to embrace diversity, while collecting parents’ and children’s experiences with current practices. - The Children’s Pack, a collection of playful, interactive, language-rich activities for teachers to use in class or in non-formal settings. - The Family Forum, a friendly meeting point where parents can connect, exchange ideas, and support one another. - The Mentoring Pack, filled with engaging activities that encourage communication, collaboration, and bonding between parents and children. Available in EN, ES, IT, DE, SI, and GR, the app offers a clear and accessible overview of how prepared primary schools are to welcome learners with migrant backgrounds. It also provides a safe, multilingual space for families to express their views, share their stories, and propose ways to build fairer and more inclusive educational practices.

Screenshots

ColumnAddSub4 screens
MULTI4 screens

Verdict

The call

The clearest difference is iOS requirement: MULTI at 13.0 against ColumnAddSub's 16.2. On price, update cadence, ads and in-app purchases there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 15, 2026 and September 24, 2026 respectively.

Scorecard1 real difference Β· 5 level
ColumnAddSub versus MULTI: the parameters behind the verdict, then further details
ParameterColumnAddSubMULTI
PriceFreeFree
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.213.0 β€” better
Further details β€” not scored
Size1 MB71 MB
Age rating4+4+
DeveloperPETER JAMES SIDESA&A EMPHASYS INTERACTIVE SOLUTIONS LIMITED

In-app purchases

None

ColumnAddSub

No in-app purchases

None

MULTI

No in-app purchases

Questions

Is ColumnAddSub free?
ColumnAddSub is free to download, with no in-app purchases.
Is MULTI free?
MULTI is free to download, with no in-app purchases.
Do ColumnAddSub or MULTI have ads?
Neither ColumnAddSub nor MULTI shows ads.
Which is updated more often, ColumnAddSub or MULTI?
ColumnAddSub ships an update monthly, and MULTI monthly. Most recently, ColumnAddSub was updated on September 15, 2026 and MULTI on September 24, 2026.

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