Solve daily word puzzles by changing one letter at a time to transform a four-letter combination into a vault word. Build a ladder of valid words, aiming for the shortest possible solution to crack the safe.






248+ iOS apps & games curated and reviewed
The best tumbler word safecrack apps and games on iPhone average 4.2★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (2) | No | No | Oct 2026 | ||
| 2 | Free | 3.4★ (2K) | Yes | No | Oct 2026 | ||
| 3 | Free | 4.6★ (2.3M) | Yes | Yes | Oct 2026 | ||
| 4 | Free | 2.0★ (1) | Yes | Yes | May 2026 | ||
| 5 | Free | 3.8★ (62) | Yes | No | Oct 2026 | ||
| 6 | Free | 4.2★ (4K) | Yes | Yes | Oct 2026 | ||
| 7 | Free | 4.4★ (65K) | Yes | Yes | Oct 2026 | ||
| 8 | Free | 4.7★ (14) | Yes | Yes | Aug 2026 |






Solve daily word puzzles by changing one letter at a time to transform a four-letter combination into a vault word. Build a ladder of valid words, aiming for the shortest possible solution to crack the safe.






Engage in a fast-paced word puzzle where you swipe to connect letters and form words. Compete in various modes to earn high scores, trophies, and improve your spelling speed. Discover hundreds of words in challenging jumbled letter grids.






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