String Theory Game vs FnD Solutions
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- Pattern matching puzzles
- Loop drawing mechanics
- Color-based loop filling
- 60+ handcrafted puzzles
- Daily challenges
- Free play modes
Read full descriptionHide 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.
FnD Solutions
Read full descriptionHide full description
FnD Solutions allows you to plan and practice your moves before you make them. 1. Share an image to the app 2. Adjust the grid to match the screenshot 3. Plan your moves 4. Mark the squares 5. Practice your moves 6. Build custom maps Grid Mode Adjust the grid: - Position - Square size - Number of rows and cols - Save the grid settings - Load the grid settings for the same size map - Gridline color (via manual settings) Plan Mode: You can swap squares, copy squares, restore squares, or refresh the entire grid. Mark Mode This mode is required in order to practice your moves. You must first mark the squares: - Hero or Monster - Move slow speed (Chilled, Hamstrung, Immobilized) - Immovable trait - Push (number of) - Tumble (number of) - Special walker type (lava, water, rubble (number of), flying) - Terrain (lava, water, rubble, obstacle) Practice Mode - Change the timer - Tap your pivot hero first - Practice your move! Map Mode - Build your own maps with terrains and icons
Screenshots
Verdict
The clearest difference is iOS requirement: String Theory Game at 10.0 against FnD Solutions's 14.0. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.
| Parameter | String Theory Game | FnD Solutions |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 days | Every 2 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 43 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | Andrew Viesta | SAMUEL RIESTERER |
In-app purchases
String Theory Game
No in-app purchases
FnD Solutions
No in-app purchases
Questions
Is String Theory Game free?
Is FnD Solutions free?
Do String Theory Game or FnD Solutions have ads?
Which is updated more often, String Theory Game or FnD Solutions?
Other comparisons















