Comparison

Screw Blast vs Zero Sum

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

Head to head
About

Screw Blast

Engage your mind and reflexes by sorting colorful screws into their matching boxes. Earn rewards to unlock a variety of decorations and personalize your pet's room, creating a cozy and welcoming home.

Highlights
  • Colorful 3D screw sorting
  • Unlockable room decorations
  • Intuitive interface for all ages
  • Observation and reaction speed challenges
  • Achievement system and leaderboard
  • Special surprise levels
Features
Read full description

Screw Blast - Solve the mystery of 3D objects and have fun decorating! In this fun product, you will play as a screw master and challenge your mind and hand speed to correctly classify different colors of screws into boxes. Unlock beautiful decorations and decorate your pet's room with your harvest to create a welcoming home. Faced with a series of 3D objects, each of which is inlaid with multi-colored screws, these screws are carefully removed and placed in the corresponding box according to their color. Each time you complete a special level, you will receive a reward that will unlock various decorations, such as carpets, tables or murals, to decorate your pet's room. Features: -Colorful 3D objects, each level is full of challenges and fun -Simple and intuitive operation interface, easy to use, suitable for all ages -A variety of screw and object color combinations to test your powers of observation and reaction speed -The unlocked decorations are rich and varied to make your pet room more and more beautiful -Special level design, bring unexpected surprises and challenges -Achievement system and leaderboard, compete with friends, share the fun of the level Don't hesitate to download now to start your screw sorting journey, enjoy the fun of decorating, and help create a cozy pet home. Unlock all the special levels, challenge your limits, and become the real Screw King! If you subscribe via Apple, payment will be charged to App Store Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Account will be charged for renewal within 24 hours prior to the end of the current period at the rate of the selected plan. Subscriptions and auto-renewal may be managed by going to Account Settings after purchase.Users can self-manage subscriptions or turn off auto-sub at iTunes Account settings. All unused periods of free trial shall be forfeited upon purchasement of subscription. Privacy Policy:https://sunnylpro.com/private/newprivate.html Terms of Use:https://sunnylpro.com/private/agree.html

About

Zero Sum

A puzzle game where players merge numbered tiles to clear the board and reach zero. Strategic merging of positive, negative, and multiplier tiles presents increasingly difficult challenges.

Highlights
  • Merge numbered tiles
  • Clear the board
  • Reach zero score
  • Interact with positive, negative, and multiplier tiles
  • Solve challenging boards
  • Unlockable cases
Features
Read full description

Merge numbered tiles, clear the board, and reach zero. Zero Sum is a puzzle game where every move combines adjacent tiles, changing the board as positives, negatives, and multipliers interact. Plan each merge carefully, find the right sequence, and solve increasingly challenging boards across a series of unlockable cases.

Screenshots

Screw Blast4 screens
Zero Sum4 screens

Verdict

The call

The clearest difference is review sentiment: Zero Sum at 100% against Screw Blast's 19%. Zero Sum also leads on update cadence (every 3 days vs every 2 weeks). Screw Blast's advantage is iOS requirement (13.0 vs 16.0). On price, 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

Both are free to download. Screw Blast sells 14 one-off in-app purchases and Zero Sum sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Screw Blast ships an update every 2 weeks, Zero Sum every 3 days. The most recent releases landed on September 28, 2026 and August 25, 2026 respectively.

Scorecard3 real differences · 7 level
Screw Blast versus Zero Sum: the parameters behind the verdict, then further details
ParameterScrew BlastZero Sum
PriceFreeFree
Rating4.9 (6.6K ratings) — better—
Positive reviews19.4% of reviews100.0% of reviews — better
Number of ratings6.6K — better—
Update frequencyEvery 2 weeksEvery 3 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size521 MB23 MB
Age rating4+9+
DeveloperPicoPoch Co., Ltd.Mathew DeLong

Customer experience

Screw Blast

All ratings6,592 ratings
Positive97.7%
Neutral0.6%
Negative1.7%
Written reviews227 reviews
Positive19.4%
Neutral12.8%
Negative67.8%

Zero Sum

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Screw Blast

Reported bugs

3 issues
  • Ads failing to load
  • Freezing on ads
  • Progress loss after crashes

Requested features

2 requests
  • Dark mode option
  • More customization options

Zero Sum

Not enough reviews yet to summarise bugs or requests.

In-app purchases

14 purchases

Screw Blast

One-time14
  • Icebreaker Bundle$0.99
  • Coins Bundle 1$1.99
  • Bounty Road 1$1.99
Show 11 more
  • Piggy bank 1$1.99
  • Permanent Bundle 1$3.99
  • Coins Bundle 2$5.99
  • Battle Pass$6.99
  • Permanent Bundle 2$9.99
  • REMOVE ADS$9.99
  • Coins Bundle 3$14.99
  • Permanent Bundle 3$19.99
  • Coins Bundle 4$29.99
  • Coins Bundle 5$54.99
  • Coins Bundle 6$99.99
1 purchases

Zero Sum

One-time1
  • Remove Ads$4.99

Questions

Is Screw Blast free?
Screw Blast is free to download, with in-app purchases available.
Is Zero Sum free?
Zero Sum is free to download, with in-app purchases available.
Do Screw Blast or Zero Sum have ads?
Both Screw Blast and Zero Sum show ads.
Which is updated more often, Screw Blast or Zero Sum?
Screw Blast ships an update every 2 weeks, and Zero Sum every 3 days. Most recently, Screw Blast was updated on September 28, 2026 and Zero Sum on August 25, 2026.

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