Comparison

Backpack Attack vs Pi Math

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

Head to head
About

Backpack Attack

Engage in an action-packed adventure blending run-and-gun combat with strategic weapon crafting and merging. Organize your backpack, evolve your arsenal, and conquer challenging levels to become the ultimate weapon master.

Highlights
  • Efficient backpack item arrangement
  • Weapon crafting and evolution
  • Strategic merging mechanics
  • Level progression and boss battles
  • Weapon upgrades and skill enhancement
  • Diverse and challenging levels
Features
Read full description

Backpack Battle: Bag Fighter is an immersive and action-packed mobile game that seamlessly blends the adrenaline-pumping excitement of run-and-gun games with the strategic depth of weapon crafting and evolution. Embark on a thrilling adventure as you navigate dynamic levels, overcome obstacles, and eliminate enemies with your ever-expanding arsenal of weapons. Game Features: 1. Arrange your items in a limited backpack space and enjoy the satisfaction of efficient storage! 2. Collect rare weapons, organize your backpack, defeat enemies, expand your bag, and enhance your combat power to pass this Bag fight challenge. 3. Certain weapons can be combined to create even stronger equipment! 4. Level up, upgrade skills, and defeat bosses to win this backpack battle! Craft and Evolve Your Ultimate Arsenal: - Discover and craft various powerful weapons in your bag to be a Bag fight master, each with unique attributes and destructive capabilities. - Unleash your creativity and strategic thinking as you merge identical weapons into your backpack space to evolve them into more formidable forms. - Unlock new and legendary weapons as you progress through the game, expanding your arsenal and dominating the battlefield. Strategize and Dominate with Merging Mechanics in Backpack Battle: Bag fighter game: - Carefully consider the strengths and weaknesses of your weapons as you make tactical decisions about which ones to merge for this bag fight. - Create synergies between different weapon types to maximize firepower and gain an edge over opponents. - Experiment with different merging strategies to discover the most effective combinations for each level and backpack fighter challenge. Conquer Diverse and Challenging backpack battle Levels: - Prepare to face various exhilarating levels, each with its unique layout, obstacles, and enemy encounters in your bag adventure. - Adapt your strategies and weapon choices to suit the specific challenges presented at each level in this Backpack Battle: Bag Fighter. - Experience constant progression and accomplishment as you master increasingly difficult levels. Become the Ultimate Weapon Master: - Earn rewards and currency as you progress through the game, allowing you to purchase upgrades and enhance your weapons for your backpack challenge. - Establish yourself as a legendary figure in this bag fight game. - Prove your mastery and dominance as you conquer all challenges and emerge victorious. Whether you're a seasoned run-and-gun enthusiast or a newcomer to the genre, Backpack Battle: Bag Fighter is sure to provide hours of thrilling entertainment and challenge your strategic thinking skills. Download the game today and embark on an epic journey to become the ultimate Bag fight Master!

About

Pi Math

Features
Read full description

Pi Math turns maths practice into a tap game — kids master times tables and mental maths without feeling like they're studying. No multiple choice, no guessing. Your child works out the answer, then taps it out — every tap builds real number sense through their own hands. TWO WAYS TO PLAY - Single Sums — tap to count 3 + 5 = 8? Tap 8 times. Addition, subtraction, multiplication and division — count as you calculate. Perfect for early maths, Reception and Year 1–2. - Times Tables — tap each digit 3 × 5 = 15? Tap 1, then 5. Multiplication and division tables from 1 to 12 — ideal for Year 2–4 and Multiplication Tables Check practice. Learn by doing — it sticks far better than rote memorising. MULTIPLE LEVELS From easy to challenging, with speed that builds as your child improves — beginners can start, confident kids stay stretched. WHY PARENTS CHOOSE PI MATH - Kids choose to play — no nagging needed. - Hands-on learning: count, tap, react — real understanding, not just recognition. - 5 minutes a day instead of mindless scrolling. Great for adults too: keep your mental arithmetic and reflexes sharp. Download Pi Math — learn maths by hand, master times tables, get quick at mental maths.

Screenshots

Backpack Attack4 screens
Pi Math4 screens

Verdict

The call

The clearest difference is ads: Pi Math at none against Backpack Attack's shown. Backpack Attack's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, 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. Backpack Attack sells 10 one-off in-app purchases and Pi Math sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Backpack Attack ships an update every 4 days, Pi Math every 5 days. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.

Scorecard2 real differences · 8 level
Backpack Attack versus Pi Math: the parameters behind the verdict, then further details
ParameterBackpack AttackPi Math
PriceFreeFree
Rating4.6 (155 ratings) — better—
Positive reviews17.4% of reviews—
Number of ratings155 — better—
Update frequencyEvery 4 days — betterEvery 5 days
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size226 MB58 MB
Age rating17+4+
DeveloperTran Hai DangIVOI TECHNOLOGY AND COMMUNICATION INVESTMENT JOINT STOCK COMPANY

Bugs and requests

Backpack Attack

Reported bugs

5 issues
  • Game freezes when unlocking second character
  • Purchased ad removal not working
  • Purchased items not delivered
  • Character unlock progress stuck
  • Game lag caused by ads

Requested features

4 requests
  • Fix character unlock bug
  • Improve ad frequency
  • More engaging storyline/lore
  • Better weapon/inventory management

Pi Math

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Backpack Attack

One-time10
  • Small Gem$0.99
  • Remove Force Ads$2.99
  • Starter Pack$4.99
Show 7 more
  • Special Attack$4.99
  • Commander Pack$6.99
  • X2 Game Speed$7.99
  • Super Promotion Pack$8.99
  • Special Packs$9.99
  • Remove All Ads$9.99
  • Remove All Ads$14.99
1 purchases

Pi Math

One-time1
  • Remove Ads Forever$0.99

Questions

Is Backpack Attack free?
Backpack Attack is free to download, with in-app purchases available.
Is Pi Math free?
Pi Math is free to download, with in-app purchases available.
Do Backpack Attack or Pi Math have ads?
Backpack Attack shows ads; Pi Math does not.
Which is updated more often, Backpack Attack or Pi Math?
Backpack Attack ships an update every 4 days, and Pi Math every 5 days. Most recently, Backpack Attack was updated on October 30, 2026 and Pi Math on November 6, 2026.

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