Thread Fever vs Blasty Stacks
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Thread Fever
Engage in a relaxing yet challenging puzzle game where you untangle colorful threads and sort them into matching boxes. Progress through levels by completing beautifully stitched designs and testing your strategic thinking.
- Color thread sorting
- Knot untangling mechanics
- Complete stitched designs
- Boosters and power-ups
- Weekly new levels
- Global leaderboard
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Thread Fever is the original color sort thread puzzle that turns colorful threads into a calm yet clever challenge. Unravel tangled threads, sort colors into the right boxes, and complete beautifully stitched designs as you progress through a relaxing but brain-engaging puzzle experience. Test your focus and strategy as you rotate objects, plan ahead, and make every move count. Easy to start, deeply satisfying to master. How to Play: • Tap to collect threads from knitted objects and match them with boxes of the same color • Use slots as temporary space for threads you need later • Drag to rotate and pinch to zoom for a better view of details • Advance through levels, collect threads, complete canvases, and track your progress • Climb the leaderboard and compete with players worldwide Features: • Knot Challenge stages • Boosters: Shuffle, Magnet, Broom • Pre-Level Boosters: Extra Box, Rainbow Box, Magic Box • Weekly new level updates • Options to add extra boxes and slots • Improved visuals and smoother animations • Complete canvases using the threads you collect • Global leaderboard system Why You’ll Love It: • A perfect balance of relaxation and brain-teasing challenge • Satisfying knot-untangling and stitching mechanics • Easy to learn, harder as you progress • Great for quick sessions or long play times • A rewarding sense of progress with completed canvases and leaderboard results Dive into the vibrant world of threads, conquer hundreds of levels, and turn chaos into perfect order!
Blasty Stacks
Engage in a strategic block-matching puzzle game. Slide colorful blocks to match colors and shapes, triggering satisfying blasts. Plan your moves carefully to clear space and create combos before the board fills up.
- Slide and fit colorful blocks
- Match same color and shape
- Create satisfying combos
- Clear space strategically
- Challenging puzzle gameplay
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It’s puzzle time and every move counts! Move colorful blocks on the board, match the same color and shape to make them blast! But be careful! Blocks that don’t match with each other stays where they are. Plan smart, create satisfying combos, and clear space before it’s too late. Once you start placing, you won’t stop blasting!
Screenshots
Verdict
The clearest difference is update cadence: Blasty Stacks at every 5 days against Thread Fever's every 10 days. Thread Fever's advantage is ratings volume (1K vs 188) and review sentiment (36% vs 28%). On price, rating, 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. Thread Fever sells 16 one-off in-app purchases and Blasty Stacks sells 10 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 — 4.8 for Thread Fever against 4.7 for Blasty Stacks. That said, the two scores are not equally well evidenced: Thread Fever has 1K ratings behind it against 188, so its average is the more settled of the two. Written reviews are what separate them: 36% of Thread Fever's written reviews are positive against 28% of Blasty Stacks's.
Thread Fever ships an update every 10 days, Blasty Stacks every 5 days. The most recent releases landed on September 23, 2026 and September 18, 2026 respectively.
| Parameter | Thread Fever | Blasty Stacks |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (1K ratings) — better | 4.7 (188 ratings) |
| Positive reviews | 36.1% of reviews — better | 28.0% of reviews |
| Number of ratings | 1K — better | 188 |
| Update frequency | Every 10 days | Every 5 days — 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 | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 385 MB | 303 MB |
| Age rating | 4+ | 4+ |
| Developer | Virtual Projects | Rollic Games |
Customer experience
Thread Fever
Blasty Stacks
User reviews
Thread Fever
From 1K App Store ratingsWhat we love
- 😊 Engaging and fun gameplay
- 🎮 Great escape and entertainment value
- 👁️ Strategic preview feature for planning ahead
- 🎨 Enjoyable thread/yarn collection mechanics
Room to improve
- 📺 Excessive and long advertisements
- 💰 Aggressive monetization and pay-to-win mechanics
- 🐛 Frequent crashes and freezing issues
- 🔄 Repetitive level design after progression
- ⚠️ Game-breaking bugs blocking progression
Blasty Stacks
From 188 App Store ratingsWhat we love
- 👍 Enjoyable game
- 👍 No ads (initially)
- 👍 No ads (fixed)
Room to improve
- 🐛 Unbeatable levels
- 🐛 Repeated puzzles
- 🐛 No hints/boosts
- 🐛 Ads returned
- 🐛 In-app purchases
Bugs and requests
Thread Fever
Reported bugs
9 issues- Game crashes at end of levels without awarding rewards
- Freezing and locking up during gameplay
- Level 3 displays extra box preventing progression
- Level 29 yellow threads unclickable
- Level 121 threads cannot be collected
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- Glitching daily levels with misaligned elements
- Incorrect color display under current layer after update
- Game fails levels prematurely when slots are full
- Leftover boxes preventing level completion
Requested features
5 requests- More levels beyond current cap (level 174)
- Increased difficulty progression instead of repetition
- Persistent power-ups that carry between levels
- Better reward-to-cost balance for in-game currency
- Ad-free experience that actually works
Blasty Stacks
Reported bugs
7 issues- Level 256 impossible
- Level 134 impossible
- Level 270 bug
- Level 439 impossible
- Level 378 no solution
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- Game stuck after update
- Repeated puzzles
Requested features
3 requests- Fix unbeatable levels
- Add hints or boosts
- Stop repeating puzzles
In-app purchases
Thread Fever
- Travel Deal$0.99
- Mini Coin Pack$1.99
- Special Bundle$2.99
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- Piggy Bank$2.99
- Second Chance Offer$5.99
- No Ads$7.99
- Small Coin Pack$7.99
- Elite Pass$9.99
- Stitcher’s Bag$9.99
- Medium Coin Pack$14.99
- Crafter’s Chest$19.99
- Big Coin Pack$29.99
- Artisan’s Kit$39.99
- Special Pack$39.99
- Super Coin Pack$54.99
- Mega Coin Pack$99.99
Blasty Stacks
- Coin Pack 1$1.99
- Fail Offer$4.99
- Coin Pack 2$7.99
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- No Ads$7.99
- Small Bundle$9.99
- No Ads Bundle$11.99
- Coin Pack 3$14.99
- Medium Bundle$19.99
- Large Bundle$29.99
- Coin Pack 5$54.99









