Comparison

Meridian One vs String Theory Game

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

Head to head
About

Meridian One

Features
Read full description

Take a minute and enjoy the relaxing Lo-Fi mood of a simple puzzle game. Rotate tiles to complete a full circle.

About

String Theory Game

A vibrant puzzle game where you recreate patterns by drawing loops between pegs. Strategically place and overlap loops to match the target design with minimal moves. Offers handcrafted puzzles, daily challenges, and endless free play.

Highlights
  • Pattern matching puzzles
  • Loop drawing mechanics
  • Color-based loop filling
  • 60+ handcrafted puzzles
  • Daily challenges
  • Free play modes
Features
Read full description

String Theory is a colorful puzzle game about matching a given pattern by building it out of different colored shapes. String theory has 60+ handcrafted puzzles, daily challenges, and free play modes, making for hours of fun. Draw lines between pegs to create loops. The loops fill in with a different color depending on how many pegs they touch. Any loop that touches either three pegs or six pegs turns green. Any loop that touches either four pegs or eight pegs turns purple. Any loop that touches either five pegs or seven pegs turns spotted purple. Replicating the given pattern with as few loops as possible requires strategic placement and overlapping of loops. With dozens of handcrafted patterns to match, and thousands additional free play patterns, String Theory is a mind-bending game filled to the brim with tricky puzzles to get the gears turning! No ads, no microtransactions.

Screenshots

Meridian One4 screens
String Theory Game4 screens

Verdict

The call

Meridian One and String Theory Game are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Meridian One ships an update every 4 days, String Theory Game every 2 days. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

ScorecardNo meaningful differences
Meridian One versus String Theory Game: the parameters behind the verdict, then further details
ParameterMeridian OneString Theory Game
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 4 daysEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.010.0
Further details — not scored
Size41 MB43 MB
Age rating4+4+
DeveloperSimon MallAndrew Viesta

In-app purchases

None

Meridian One

No in-app purchases

None

String Theory Game

No in-app purchases

Questions

Is Meridian One free?
Meridian One is free to download, with no in-app purchases.
Is String Theory Game free?
String Theory Game is free to download, with no in-app purchases.
Do Meridian One or String Theory Game have ads?
Neither Meridian One nor String Theory Game shows ads.
Which is updated more often, Meridian One or String Theory Game?
Meridian One ships an update every 4 days, and String Theory Game every 2 days. Most recently, Meridian One was updated on October 14, 2026 and String Theory Game on October 9, 2026.

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