Polyforge vs Griddie Islands
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Polyforge
Create unique crystals by striking their sides in a specific sequence. Experience a blend of engaging gameplay, beautiful visuals, and calming soundscapes. Compete globally for the highest achieved level.
- Forge new shapes
- Strike all sides
- Avoid striking same side twice
- Simple visuals
- Serene sound design
- Global leaderboards
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Forge amazing crystals in a symphony of shapes, sound and color ◉ Forge new shapes by striking all the sides ◉ Don't strike the same side twice ◉ Simple & Beautiful visuals ◉ Atmospheric & Serene sound design ◉ Compete for the highest level in the world
Griddie Islands
Place quirky beings on tiny islands to attract fleas that produce money. Merge beings to discover higher levels and increase production in this lively idle merger game. Explore over 50 unique levels.
- Place beings on islands
- Fleas produce money
- Merge beings to level up
- Discover 50+ levels
- Idle production mechanics
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Welcome to the world of Griddies! A world where tiny islands are inhabited by even tinier fleas and quirky beings called Griddies! Place griddies on the islands and watch as the fleas start to jump around in excitement and produce money! Use it to buy more griddies to attract more fleas. Same-level Griddies can also be merged into higher level ones, and the higher the level the more they produce! Merge every Griddie to discover the 50+ levels, each with its own look and personality. Merge, level up, and try to keep the islands filled in this lively idle merger!
Screenshots
Verdict
The clearest difference is update cadence: Griddie Islands at monthly against Polyforge's every 26 months. Polyforge's advantage is review sentiment (94% vs 68%) and iOS requirement (9.0 vs 12.0). On price, rating, ratings volume and ads 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. Polyforge sells 1 one-off in-app purchase and Griddie Islands sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for Polyforge against 4.7 for Griddie Islands. Both are backed by a comparable volume of ratings — 930 and 1.1K respectively. Written reviews are what separate them: 94% of Polyforge's written reviews are positive against 68% of Griddie Islands's.
Polyforge ships an update every 26 months, Griddie Islands monthly. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.
| Parameter | Polyforge | Griddie Islands |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (930 ratings) | 4.7 (1.1K ratings) |
| Positive reviews | 93.6% of reviews — better | 68.2% of reviews |
| Number of ratings | 930 | 1.1K — better |
| Update frequency | Every 26 months | Monthly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 128 MB | 179 MB |
| Age rating | 4+ | 4+ |
| Developer | ImpactBlue Studios Pty Ltd | Pomelo Games |
Customer experience
Polyforge
Griddie Islands
User reviews
Polyforge
From 930 App Store ratingsWhat we love
- 👍 Relaxing and soothing
- 🎨 Beautiful graphics and colors
- 🎶 Calming and enjoyable music
- ⏱️ Simple and easy to play
- 🎯 Challenging and addictive gameplay
Room to improve
- 🔁 Repetitive shapes and patterns
- 🎨 Some color combinations hard to see
- ⚠️ Difficulty can be frustrating at times
Griddie Islands
From 1.1K App Store ratingsWhat we love
- 💫 Charming and clever design
- 🎨 Unique and fun Griddie designs
- 👍 Simple and easy to pick up
- 🕰️ Relaxing and addictive gameplay
- 💰 No excessive monetization
Room to improve
- 🐢 Slow progression after early levels
- 🔁 Repetitive Griddie designs after level 50
- 🔋 High battery consumption
- 🔍 Difficulty merging Griddies
- 📺 Inconsistent ad rewards
Bugs and requests
Polyforge
Reported bugs
2 issues- Occasional freezing or crashing
- Issues with ad playback
Requested features
3 requests- More diverse shapes and patterns
- Difficulty settings or modes
- Ability to customize color schemes
Griddie Islands
Reported bugs
3 issues- Screen going black when placing Griddies
- Inventory getting stuck with no way to clear
- Inconsistent in-app purchase functionality
Requested features
5 requests- More islands and Griddie designs
- Prestige system or other progression mechanics
- Option to sell or discard unwanted Griddies
- Ability to rotate Griddies
- In-game notes or planning tools
In-app purchases
Polyforge
- Remove Ads$0.99
Griddie Islands
- Cubes 10 pack2 variants$0.99
- Cubes 60 pack2 variants$4.99
- Cubes 200 pack$9.99
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- Cubes 600 pack$19.99
- Cubes 2100 pack$49.99
- Cubes 5800 pack$99.99
