Comparison

7seg Invader vs 24 Bubbles

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

Head to head
About

7seg Invader

Features
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Experience the legendary "Digital Invader" on your wrist! A faithful revival of the classic calculator game from the 1980s. Defend your base from the encroaching 7-segment digital invaders in this simple yet addictive shooting game designed specifically for Apple Watch. 【How to Play】 - Start: Tap the Start button to begin the mission. - Aim: Tap the "Aim" button to match the aiming number with the invader's digit. - Fire: Tap the "Fire" button to shoot down the invader! 【Key Features】 - Retro Style: 7-segment display visuals. - Simple Controls: Intuitive tap buttons optimized for the watch screen. - Intense Action: Don't let the digit invader reach your base on the left! 【Tips & Controls】 - Pause: Tap the Pause button to interrupt. The game also pauses automatically when the screen sleeps. - Exit: Long press the "Resume" button to return to the start screen. - Reset: Long press your High Score to clear it. - Volume: Turn the Digital Crown to adjust the sound effect volume. Relive the 80s nostalgia anytime, anywhere!

About

24 Bubbles

Features
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Turn the classic 24 puzzle into a lively bubble-merging adventure. In 24 Bubbles, there are no operator buttons. Simply drag two number bubbles together and the game automatically performs a valid operation. Correct combinations merge into a larger bubble—keep going until the final bubble is exactly 24. GAME MODES • Cloud Levels: 30 carefully arranged number puzzles. • Arcade Mode: Start with 30 seconds, earn time for every solved puzzle, and level up after every 10 consecutive wins. • Face-to-Face Duel: Share one device and compete across a split screen for 30 seconds. • Apple Watch Quick Challenge: Tap two numbers on your wrist for short puzzle sessions anytime. • Animated Tutorial: Learn naturally through gesture animation the first time you play. A DELIGHTFUL EXPERIENCE • Soft translucent bubbles, dynamic lighting, and satisfying merge animations. • Pickup, impact, burst, and victory sounds with haptic feedback. • The in-game interface supports Simplified Chinese and English. • Play on iPhone, iPad, and Apple Watch. Progress stays on your device. • No account required. Observe the relationships between the numbers, discover the right merge order, and make the last bubble exactly 24!

Screenshots

24 Bubbles3 screens

Verdict

The call

The clearest difference is update cadence: 24 Bubbles at weekly against 7seg Invader's every 5 months. 24 Bubbles also leads on iOS requirement (17.0 vs 26.0). On price, ads, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

7seg Invader ships an update every 5 months, 24 Bubbles weekly. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

Scorecard2 real differences · 4 level
7seg Invader versus 24 Bubbles: the parameters behind the verdict, then further details
Parameter7seg Invader24 Bubbles
PriceFreeFree
Update frequencyEvery 5 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, Apple WatchiPhone, iPad, Apple Watch — better
Requires iOS26.017.0 — better
Further details — not scored
Size1 MB21 MB
Age rating4+4+
DeveloperKiyoshi Izumi凯 刘

In-app purchases

None

7seg Invader

No in-app purchases

None

24 Bubbles

No in-app purchases

Questions

Is 7seg Invader free?
7seg Invader is free to download, with no in-app purchases.
Is 24 Bubbles free?
24 Bubbles is free to download, with no in-app purchases.
Do 7seg Invader or 24 Bubbles have ads?
Neither 7seg Invader nor 24 Bubbles shows ads.
Which is updated more often, 7seg Invader or 24 Bubbles?
7seg Invader ships an update every 5 months, and 24 Bubbles weekly. Most recently, 7seg Invader was updated on October 25, 2026 and 24 Bubbles on October 18, 2026.

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