Comparison

Stack Number vs XGap.io

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

Head to head

Stack Number

Free

🎮 Games

★ 4.01 ratingsView app →

Cross Gap

About

Stack Number

Tap to drop blocks and merge adjacent ones with the same value to create higher numbers. Aim for the highest score possible in this engaging puzzle game.

Highlights

Block dropping mechanic
Adjacent block merging
Number value progression
High score pursuit
Simple tap controls

Features

Read full description

stack number block to get high score! tap anywhere to let the block fall down,blocks in the top screen is the blocks will be fallen. you can merge 2 adjacent blocks if they have the same value and get a bigger number,hope you get a high score.

About

XGap.io

Features

Read full description

Press on screen to grow the ladder. The longer you press, the longer the ladder. Try to fit the ladder to cross the gap. If the ladder is too short or too long, you will lose. How far can you go?

Screenshots

Stack Number4 screens

XGap.io3 screens

Verdict

The call

The clearest difference is ads: XGap.io at none against Stack Number's shown. XGap.io also leads on iOS requirement (11.0 vs 15.0). Stack Number's advantage is update cadence (every 24 months vs every 56 months). On price, 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

Stack Number ships an update every 24 months, XGap.io every 56 months. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 7 level

Stack Number versus XGap.io: the parameters behind the verdict, then further details
Parameter	Stack Number	XGap.io
Price	Free	Free
Rating	4.0 (1 ratings) — better	—
Positive reviews	100.0% of reviews	—
Number of ratings	1 — better	—
Update frequency	Every 24 months — better	Every 56 months
Ads	Yes	No — better
In-app purchases	No	No
Monetization	Ad-supported	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.0	11.0 — better
Further details — not scored
Size	17 MB	47 MB
Age rating	4+	4+
Developer	亚州王	Appulet, Inc

In-app purchases

None

Stack Number

No in-app purchases

None

XGap.io

No in-app purchases

Questions

Is Stack Number free?

Stack Number is free to download, with no in-app purchases.

Is XGap.io free?

XGap.io is free to download, with no in-app purchases.

Do Stack Number or XGap.io have ads?

Stack Number shows ads; XGap.io does not.

Which is updated more often, Stack Number or XGap.io?

Stack Number ships an update every 24 months, and XGap.io every 56 months. Most recently, Stack Number was updated on October 3, 2026 and XGap.io on October 4, 2026.