ThermoMerge vs Leyrún
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
ThermoMerge
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ThermoMerge is a block puzzle game built around one simple idea: balance. You’ll slide red (hot) and blue (cold) blocks across a 5x5 grid to merge tiles and build higher values. But when a hot block meets a cold one of the same value, they cancel each other out — clearing space and giving you points. Every move adds a new block, so each decision matters. The goal is to keep the board from filling up for as long as you can. Features: 1. Merge hot with hot, cold with cold, or cancel them out by combining both of the same value 2. Slide one block at a time with simple swipe controls 3. Clean visuals and smooth animations 4. No timers or distractions — just thoughtful puzzle solving 5. Easy to pick up, hard to put down
Leyrún
This Norse-inspired word puzzle game challenges you to find hidden words by rotating letter clusters on a magical grid. Uncover words in any direction, from left to right to diagonally, by tracing patterns and spotting connections. It's a blend of linguistic discovery and geometric strategy for curious minds.
- Rotation-based letter manipulation
- Dynamic word detection
- Thematic onboarding
- Hint and life systems
- Progress tracking
- Growing puzzle library
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Leyrún is a Norse-inspired word puzzle game where players twist runes, trace patterns, and uncover hidden words across a magical honeycomb grid. Each puzzle challenges you to find words in any direction—left to right, right to left, diagonally, even backwards—by rotating clusters of letters and spotting connections others might miss. Designed for thinkers, storytellers, and pattern seekers, Leyrún blends linguistic discovery with geometric strategy. Every move counts, and every word you find reveals more of the grid’s hidden story. Whether you're solving daily challenges or progressing through handcrafted levels, the game rewards cleverness, curiosity, and persistence. Features include: A unique rotation-based mechanic for manipulating letter zones Dynamic word detection across all directions A thematic onboarding experience with magical polish and rune shimmer Hint and life systems powered by optional reward ads Progress tracking and per-user save states A growing library of puzzles with geometric and linguistic flavor Developer tools for puzzle creation and testing Leyrún is built for mobile-first play, with responsive UI scaling, tactile feedback, and immersive transitions. Whether you're playing casually or chasing mastery, Leyrún invites you to explore the grid, decode the runes, and uncover the words waiting within.
Screenshots
Verdict
ThermoMerge and Leyrún are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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
Both are free to download. ThermoMerge sells 1 one-off in-app purchase and Leyrún sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
| Parameter | ThermoMerge | Leyrún |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | — | Every 4 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 7 MB | 197 MB |
| Age rating | 4+ | 4+ |
| Developer | Brody Richmond | Kyle Loyd |
In-app purchases
ThermoMerge
- Remove Ads$1.99
Leyrún
- Leyrún Hint Pack$0.99
- Leyrún Hint Case$1.99
- Leyrún Hint Pallet$3.99
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- Leyrún Remove Ads$4.99









