Comparison

Subtracting Sardines HD vs Multiplying eggs

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

Head to head
About

Subtracting Sardines HD

This app makes practicing subtraction fun and engaging for young learners. Through interactive 3D graphics and playful elements like penguins and sardines, children can build a solid understanding of basic math concepts and gain confidence.

Highlights
  • Practice subtraction from 1-9 up to 9-9
  • Count from -8 to 8 visually and verbally
  • Develop conceptual understanding
  • Interactive 3D graphics and physics
  • Earn gold coins and trophies
  • Track accuracy and progress statistics
Features
Read full description

Golden App Award - appsforhomeschooling.com, "I have NEVER formally taught my five-year-old subtraction, and she GETS Subtracting Sardines. Right from her very first go at it, all the way up to nines, even the negative numbers! She’s currently scoring 100% in this app, which blows me away" "With the help of one friendly penguin, and a whole lotta sardines, practicing subtraction goes from boring to fun. Help your children practice subtraction skills on-the-go with this vibrant, kid-friendly app" - Best Apps for Kids, bestappsforkids.com "I found Subtracting Sardines and Adding Apples to be clever takes on Math manipulatives and a fun way to teach basic addition and subtraction skills" - The iPhone Mom, theiphonemom.com "Another wonderful app from the makers of 'Adding Apples' " - Technology in Education, techinspecialed.com "We recently reviewed the Adding apples so when we were told about this, we are curious to know how they handle the subtraction. They did managed to pull this off with flying colors." - Technology in Education, techinspecialed.com "Subtracting Sardines HD is definitely worth purchasing for children beginning to learn subtraction. Children will have fun and conceptually learn the principles of subtraction from this app" - iHeartThisApp.com Subtracting Sardines is a fun learning experience with appealing and interactive 3D graphics. This new software is highly intuitive and with many elements to explore, discover and learn! The natural and logical interaction will help your child to develop a solid understanding of basic mathematics. LEARN HOW TO: ● Solve math subtraction from 1-9 right up to 9-9 ● Count from -8 to 8, both visually and verbally (US English) ● Develops Conceptual Understanding ● Builds Confidence ( For variation and to make sure all numbers are used and in different combinations, current keys are marked as done on correct subtraction. When all keys are marked they will reset ) ● Play on iPad, or Apple Silicon Mac — one purchase, both devices. HAVE FUN: ● Interacting with the Sardines (real 3D physics) ● Interacting with the earned Gold Coins (real 3D physics) ● Seeing how Penguin reacts to various user input ● Exploring appealing animations and sounds ● Receiving a Gold Coin for each correct answer ● Collecting Gold Coins, and working towards 3 different trophies ● Seeing statistics on your collected Gold Coins and Sardines ● Put the Sardines into ice blocks while counting them ● Brush remove fish bones while counting them SETTINGS INCLUDE: ● Reset all ● Automatic Clear and Plus keys - On/Off ● Music - On/Off ● Fullscreen Toggle Additional statistics for the teacher/parent: ● Accuracy ● Accuracy History on each achievement ● Correct subtractions ● Incorrect subtractions Video: http://vimeo.com/30839837 Recommended Ages: 4-7, 8-10, parents PRIVACY DISCLOSURE “Subtracting Sardines HD - Tasty Math Facts”: - Does not collect or share any personal data. - Does not contain any ads. - Does not contains In App Purchases

About

Multiplying eggs

This app uses a playful, Montessori-inspired approach to teach children multiplication concepts through interactive egg games. Kids can discover different egg animals and learn numbers by tapping or shaking their device.

Highlights
  • Montessori multiplication board concept
  • Interactive egg games
  • Discover different egg animals
  • Learn multiplication concepts
  • Tap or shake to interact
Features
Read full description

Featured on the App Store New & Noteworthy list for Education in Taiwan. The multiplication table app named multiplying eggs app which design concept is from Montessori multiplication board. It allows children to play the number of eggs and understand the concept of multiplication. The children can click on the egg or shake around the iPad, will appear different egg animals, for example: penguins, platypus, birds eggs. Demo video: https://www.youtube.com/watch?v=DnR76y2z8tA PARENT/PRIVACY NOTICE: Our apps: -Do not include analytics -Do not collect or share any personal data -Do not contain in App Purchases for additional content -Do not contain ads -Do not contain Social Network Integration

Verdict

The call

The clearest difference is review sentiment: Subtracting Sardines HD at 85% against Multiplying eggs's 0%. Multiplying eggs's advantage is price ($0.99 vs $2.99) and iOS requirement (8.0 vs 12.0). On update cadence, ads, in-app purchases and monetization model 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

Subtracting Sardines HD costs $2.99 and Multiplying eggs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Subtracting Sardines HD ships an update every 31 months, Multiplying eggs every 34 months. The most recent releases landed on June 1, 2026 and June 5, 2026 respectively.

Scorecard3 real differences · 7 level
Subtracting Sardines HD versus Multiplying eggs: the parameters behind the verdict, then further details
ParameterSubtracting Sardines HDMultiplying eggs
Price$2.99$0.99 — better
Rating5.0 (3 ratings) — better—
Positive reviews85.0% of reviews — better0.0% of reviews
Number of ratings3 — better—
Update frequencyEvery 31 months — betterEvery 34 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPadiPad
Requires iOS12.08.0 — better
Further details — not scored
Size72 MB10 MB
Age rating4+4+
DeveloperMarcel WidartoRed Hong

Customer experience

Subtracting Sardines HD

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews20 reviews
Positive85.0%
Neutral15.0%
Negative0.0%

Multiplying eggs

Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

None

Subtracting Sardines HD

No in-app purchases

None

Multiplying eggs

No in-app purchases

Questions

Is Subtracting Sardines HD free?
Subtracting Sardines HD costs $2.99, with no in-app purchases.
Is Multiplying eggs free?
Multiplying eggs costs $0.99, with no in-app purchases.
Do Subtracting Sardines HD or Multiplying eggs have ads?
Neither Subtracting Sardines HD nor Multiplying eggs shows ads.
Which is updated more often, Subtracting Sardines HD or Multiplying eggs?
Subtracting Sardines HD ships an update every 31 months, and Multiplying eggs every 34 months. Most recently, Subtracting Sardines HD was updated on June 1, 2026 and Multiplying eggs on June 5, 2026.

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