Griddler vs Bolt Blast
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Griddler
Fill in tiles based on numerical clues to solve logic puzzles. Compete globally for the fastest times and climb leaderboards. Features adaptive difficulty and unlimited levels.
- Numerical clue-based grid filling
- Global leaderboards
- Unlimited randomly generated levels
- Adaptive difficulty system
- Multiple grid sizes
- Achievements
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Use the numerical clues to fill in the correct tiles and complete the grid! Race against the clock as you compete against players from around the world for the fastest times per gridsize. Griddler, also known as Nonogram, Hanjie and Picross, comes with unlimited randomly created levels in 6 different size grids! Our adaptive difficulty system makes the game more challenging as you improve. Keep levelling and ranking until you're the master of the game! Reached the ultimate rank and want something more challenging? Upgrade to the more difficult levels, ranging up to 10x10! - Leaderboards - Achievements - Share This beautifully crafted game is brought to you by White Hot Games! Happy Griddler-ing! Please note: The App Preview contains footage from the 'Full Game' iAP.
Bolt Blast
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Bolt Blast — the satisfying screw sort puzzle for anyone who loves color sort, brain training, and stress-free logic games. TAP. SORT. CLEAR. Tap a bolt. Its top screw flies into your tray. Match 4 screws of the same color to clear them. Empty every bolt to win. Simple to tap. Impossible to put down. 200 LEVELS Beginner-friendly to brain-bending. Every level is solvable but the solution won't always be obvious. 4 UNIQUE MECHANICS TO MASTER Frozen Screws — match 4 of their color to thaw them Locked Bolts — clear the key color first to unlock Chained Bolts — two bolts move as one Joker Screws — wildcard that matches any color DAILY CHALLENGE A fresh logic puzzle drops every day. Build your streak. WORKSHOP PROGRESSION Collect 20 workshop tools — unlock one every 10 levels. CLEAN & RELAXING No timers. No lives. No forced ads. Play offline, anytime.
Screenshots
Verdict
The clearest difference is in-app purchases: Bolt Blast at none against Griddler's 1. Griddler's advantage is ads (none vs shown) and device support (3 vs 1). On price and update cadence 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. Griddler sells 1 one-off in-app purchase. Bolt Blast asks for nothing beyond the download.
Griddler ships an update fortnightly, Bolt Blast every 3 weeks. The most recent releases landed on October 15, 2026 and October 18, 2026 respectively.
| Parameter | Griddler | Bolt Blast |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (116 ratings) — better | — |
| Positive reviews | 55.6% of reviews | — |
| Number of ratings | 116 — better | — |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 9.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 128 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | White Hot Games Ltd | EMRE SIN |
Bugs and requests
Griddler
Reported bugs
2 issues- Instructions hang on iPad Pro
- Game hangs on instructions
Requested features
5 requests- Untimed mode for relaxation
- Endless mode with puzzle size selection
- Time attack mode
- More challenges
- Dark mode
Bolt Blast
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Griddler
- Full Game$2.99
Bolt Blast
No in-app purchases









