Comparison

DUAL! vs SHIFTLINE

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

Head to head
About

DUAL!

Engage in local multiplayer fun with friends using your mobile devices. Connect via WiFi or Bluetooth to play competitive or cooperative games by shooting from one screen to another. Enjoy classic duels, team defense, or goal-scoring challenges.

Highlights
  • Local multiplayer over WiFi or Bluetooth
  • Competitive and cooperative modes
  • DUEL: Classic standoff
  • DEFEND: Cooperative defense
  • DEFLECT: Goal-scoring game
  • Unlockable color sets
  • Stats, achievements, and leaderboards
Features
Read full description

Between people, across screens. DUAL is a local multiplayer game where two players use their mobile devices to shoot from one screen to the other. It's easy to pick up and play any of the competitive or cooperative modes: DUEL, DEFLECT, and DEFEND. Features: + Battle locally over WiFi or Bluetooth. + DUEL - Tilt your phone, dodge bullets, charge, and shoot your friends in this classic duel standoff. + DEFEND - Work together to defend the middle from an onslaught of attackers. + DEFLECT - Score goals by blasting, banking, and curving the ball from one screen to the other. + Only one person needs to have the full version unlocked to play DEFEND and DEFLECT with another player. + Collectable color sets unique to your device; unlock them all by playing against different people. + Single one-time in-app purchase to unlock the full game, and restore it on all your devices using the same account. + Stats, achievements, and leaderboards. "Working together right next to each other really brings back the magic of couch gaming." - Chris Carter, Destructoid "...it's a really fun way to engage with another live human, up-close and personal." - Rick Broida, CNET "You play it with someone, anywhere, and it actually brings you closer together..." - Chris Priestman, Kill Screen "...sending bullets across to someone else’s phone as you sit opposite them has a curious sense of technological magic to it." - Chris Charlton, Kaijupop Quick Troubleshooting Guide: + Make sure your WiFi is enabled and both players are on the same WiFi network. + Use Manual IP Discovery from the WiFi lobby if unable to find each other while on the same WiFi network. + To restore your purchase go to the Unlock screen and select the Restore Purchases button.

About

SHIFTLINE

Read full description

Prepare yourself for the ultimate test of reflexes in SHIFTLINE, a fast-paced, neon-drenched arcade survival game where precision is your only lifeline! Take control of a rotating geometric core plunging through an infinite, ever-changing hyperspace tunnel. Your mission? Survive as long as you can against relentless waves of obstacles, and devastating icy comet projectiles. But beware—the game adapts to your skill. Thanks to SHIFTLINE's adaptive difficulty system, the better you play, the harder the universe tries to stop you! Collect glowing tokens, unlock levels to enhance your abilities. With its gorgeous glowing aesthetics, adrenaline-pumping soundtrack, and razor-sharp controls, SHIFTLINE is the perfect "just one more run" experience. KEY FEATURES: • Endless Survival Action: Dodge, weave, and survive in a rapidly accelerating neon obstacle course. • Adaptive Difficulty: The game seamlessly scales in intensity based on your performance—perfect for beginners, brutal for masters. • Protocol Cards: Collect and equip powerful modifiers to permanently boost your stats and change how you play in our deep meta-progression system. • Multiple Game Modes: Test your limits in different environments and modes designed to challenge your muscle memory. • Mesmerizing Visuals: fluid collision animations, and a rich hyperspace aesthetic. Do you have the reaction time to conquer the edge? Download SHIFTLINE now and find out!

Screenshots

DUAL!4 screens
SHIFTLINE4 screens

Verdict

The call

The clearest difference is in-app purchases: SHIFTLINE at none against DUAL!'s 1. SHIFTLINE also leads on update cadence (weekly vs every 3 months). DUAL!'s advantage is ads (none vs shown) and device support (3 vs 1). On price 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. DUAL! sells 1 one-off in-app purchase. SHIFTLINE asks for nothing beyond the download.

UpkeepUpdate frequency

DUAL! ships an update every 3 months, SHIFTLINE weekly. The most recent releases landed on September 24, 2026 and September 17, 2026 respectively.

Scorecard5 real differences · 5 level
DUAL! versus SHIFTLINE: the parameters behind the verdict, then further details
ParameterDUAL!SHIFTLINE
PriceFreeFree
Rating4.1 (2.4K ratings) — better—
Positive reviews64.7% of reviews—
Number of ratings2.4K — better—
Update frequencyEvery 3 monthsWeekly — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS11.0 — better26.0
Further details — not scored
Size14 MB70 MB
Age rating4+4+
DeveloperSeabaa, Inc.Harnandan Preet Singh

Bugs and requests

DUAL!

Reported bugs

7 issues
  • Trying to connect is not working with others
  • Cannot play with others on the same network
  • Restore purchases not working
  • Couldn't play in class
  • I can't move
Show 2 more
  • Login screen freezes
  • Incompatible with older devices

Requested features

10 requests
  • 💡 Add more game modes
  • 💡 Add single player mode
  • 💡 Add online multiplayer
  • 💡 Add more ships/characters
  • 💡 Add joystick controls
Show 5 more
  • 💡 Add more free ships/characters
  • 💡 Add AI/bots to play against
  • 💡 Add more levels/difficulty
  • 💡 Add worldwide/online multiplayer
  • 💡 Add team/doubles mode

SHIFTLINE

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

DUAL!

One-time1
  • Full Game Unlock$2.99
None

SHIFTLINE

No in-app purchases

Questions

Is DUAL! free?
DUAL! is free to download, with in-app purchases available.
Is SHIFTLINE free?
SHIFTLINE is free to download, with no in-app purchases.
Do DUAL! or SHIFTLINE have ads?
SHIFTLINE shows ads; DUAL! does not.
Which is updated more often, DUAL! or SHIFTLINE?
DUAL! ships an update every 3 months, and SHIFTLINE weekly. Most recently, DUAL! was updated on September 24, 2026 and SHIFTLINE on September 17, 2026.

Other comparisons