Comparison

Number Chain by SZY vs Stack Three FRVR

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

Head to head
About

Number Chain by SZY

A puzzle game where you create chains of three or more matching or consecutive numbers to clear them and earn points. Achieve high scores by forming longer chains and triggering "Rensa" combos.

Highlights
  • Build removable chains of numbers
  • Score points based on chain length
  • Trigger automatic chain reactions (Rensa)
  • Utilize a 'Final Number of 0' for clearing
  • Support for leaderboards and achievements
  • Automatic game saving
Features
Read full description

Video demo at Support Web Site or Youtube (http://www.youtube.com/watch?v=sXhknhcfSx4) This is an incredibly amazing game! You can easily win hundreds of points; you can also carefully play the game and win millions of points. All in your hands! *** Purpose Build as many as possible removable chains so as to achieve incredible scores and challenge the longest chains! ***Rules When three or more than three same or consecutive numbers are aligned together, they constitute one removable chain that will be automatically removed. Once the chain is removed, another removable chain may be constituted and removed automatically. It goes on until there is no more removable chain. The longer the removed chain is, the higher the score is. It is called "RENSA" when chains are removed one by one. You can view the demo of 25 Rensa inside the game (see screenshots). *** Details * There are 10 different digital numbers from 1 to 10, and each can be used 12 times; Game ends when all numbers are used up. * When the chain length is longer than three, Final Number of 0 will be rewarded. It is used to remove all numbers at final stage. * When game ends with no number in the pool, score is doubled. *** Others * Support Chinese, English, Japanese, Traditional Chinese, French, German, Spanish, Italian, Dutch, Portuguese, Russian, and Swedish. * Support leaderboards and achievements in Game Center. * Support saving game automatically. * Support Game Center Agency to report scores achieved in Mac OS.

About

Stack Three FRVR

Match three or more colorful heads horizontally or vertically to clear space and score points. Keep the board clear as new heads arrive to avoid game over. Enjoy endless hours of fun with a bright soundtrack and pleasant graphics.

Highlights
  • Match three colors to clear space
  • Score points and rack up high scores
  • Fresh challenges and bonus options
  • Upbeat original soundtrack
  • Colorful, pleasant graphics
  • Endless hours of fun
Features
Read full description

You're surrounded by friendly faces but if you're not quick to organize the steady stream of happy heads entering the playing field, you'll find the game has ended as quickly as it began. The goal? Match three colors across or down to clear space on the board and keep racking up points. It's deceptively simple - or is it? There are fresh challenges as well as bonus options built into this puzzle game. StackThree works in several directions, and as long as you have a sharp eye and quick hand, you'll keep the board clear enough to accommodate what's incoming. If you haven't placed the pieces before they reach the right side of the screen, they'll start filling the board randomly. A bright and happy sound track keeps you focused. Features - Upbeat original soundtrack - Colorful, pleasant graphics - Smiles galore - Endless hours of fun

Screenshots

Number Chain by SZY4 screens
Stack Three FRVR4 screens

Verdict

The call

The clearest difference is rating: Stack Three FRVR at 5.0 against Number Chain by SZY's 3.0. Stack Three FRVR also leads on update cadence (every 2 months vs every 4 months) and iOS requirement (9.0 vs 15.0). Number Chain by SZY's advantage is in-app purchases (none vs 1). On price, ratings volume, ads 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. Stack Three FRVR sells 1 one-off in-app purchase. Number Chain by SZY asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Stack Three FRVR holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Number Chain by SZY ships an update every 4 months, Stack Three FRVR every 2 months. The most recent releases landed on September 18, 2026 and September 25, 2026 respectively.

Scorecard5 real differences · 5 level
Number Chain by SZY versus Stack Three FRVR: the parameters behind the verdict, then further details
ParameterNumber Chain by SZYStack Three FRVR
PriceFreeFree
Rating3.0 (1 ratings)5.0 (2 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings12 — better
Update frequencyEvery 4 monthsEvery 2 months — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.09.0 — better
Further details — not scored
Size60 MB42 MB
Age rating4+4+
DeveloperShen ZhongyuanFRVR

Customer experience

Number Chain by SZY

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Stack Three FRVR

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Number Chain by SZY

No in-app purchases

1 purchases

Stack Three FRVR

One-time1
  • Remove Ads$2.99

Questions

Is Number Chain by SZY free?
Number Chain by SZY is free to download, with no in-app purchases.
Is Stack Three FRVR free?
Stack Three FRVR is free to download, with in-app purchases available.
Which has better reviews, Number Chain by SZY or Stack Three FRVR?
Stack Three FRVR is rated higher. Number Chain by SZY averages 3.0 out of 5 from 1 ratings, while Stack Three FRVR averages 5.0 from 2 ratings.
Do Number Chain by SZY or Stack Three FRVR have ads?
Both Number Chain by SZY and Stack Three FRVR show ads.
Which is updated more often, Number Chain by SZY or Stack Three FRVR?
Number Chain by SZY ships an update every 4 months, and Stack Three FRVR every 2 months. Most recently, Number Chain by SZY was updated on September 18, 2026 and Stack Three FRVR on September 25, 2026.

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