Numberle vs NumGrid vs Nerdle vs Mathler
Four games dominate the daily number-puzzle space in 2026. They share the Wordle DNA — green / yellow / gray per-symbol feedback, six guesses, one puzzle per day — but they ask different things of the player. Here is a frank comparison.
At a glance
| Game | What you guess | Guesses | Free hints? |
|---|---|---|---|
| NumGrid | 5-digit number | 6 | Yes — digit sum + parity |
| Numberle | 5-digit number | 6 | No |
| Nerdle | 8-char math equation | 6 | No |
| Mathler | Equation reaching a target | 6 | Target number is given |
NumGrid — the deduction one
Hidden: a 5-digit number (digits may repeat; can start with zero; trivial patterns excluded). You see: the digit sum (0-45 range) and the number’s parity (odd or even). You get: 6 guesses, Wordle-style per-digit feedback.
The free hints are the differentiator. With 100,000 possible 5-digit numbers and a digit-sum constraint, the candidate set typically shrinks to between 800 and 3,500 numbers before your first guess. Combined with parity, the search space is small enough that with disciplined guessing you can solve in 3-4 tries.
Numberle — the no-hint one
Same shape as NumGrid (5-digit number, 6 guesses, green/yellow/gray feedback) but with no free hints. You start from 100,000 candidates with no narrowing information. Each guess gives you per-digit feedback, but without parity or sum data you spend more guesses just gathering basic information. Numberle takes 4-6 guesses on average and rewards memorized opening strategies more than NumGrid does.
Nerdle — the equation one
Nerdle hides a complete 8-character equation, e.g. 10+25=35 or 5*7-2=33. Your job is to guess both the equation structure and the digits. The feedback applies per character (digit OR operator OR equals sign). Nerdle is the most arithmetic-heavy of the four; it favors players who think in equation form naturally. A complete daily Nerdle solve takes 5-8 minutes on average.
Mathler — the target-reaching one
Mathler shows you a target number, e.g. 33, and asks you to construct an equation that reaches it within 6 guesses. The puzzle is the inverse of Nerdle: you know the answer, you must find an expression. This is the hardest of the four for most players because constructing valid equations under feedback constraints is more cognitively demanding than narrowing a digit set.
So which should you play?
- Start with NumGrid. Free hints make the learning curve gentle and the mechanic teaches you constraint narrowing.
- If NumGrid feels too easy, try Numberle (same shape, no hints) or Nerdle (adds arithmetic).
- If you love expression-building, Mathler.
- If you want variety, alternate. The mechanics are different enough that two of these in one sitting is a full warm-up.
FAQ
What is the difference between Numberle and NumGrid?
Numberle is a direct number-Wordle clone: guess a hidden 5-digit number in 6 tries with green/yellow/gray feedback. NumGrid uses the same feedback loop but adds two free hints every day — the digit sum and parity (odd or even) of the hidden number. The hints collapse the candidate set from 100,000 to roughly 1,000-3,000 before your first guess, which converts a guessing game into a constraint puzzle.
Is NumGrid harder or easier than Nerdle?
Different. Nerdle asks you to guess a complete math equation (e.g. "12+34=46") in 6 tries — it requires arithmetic on top of letter-style deduction. NumGrid asks you to guess a 5-digit number with two free hints — easier on arithmetic, harder on pure deduction. Most players find NumGrid faster but more frustrating to lose; Nerdle slower but more satisfying to solve.
Which number puzzle is the best for beginners?
NumGrid. The digit-sum and parity hints make the first few puzzles tractable without prior practice. Numberle has no help — you brute-force it. Nerdle requires comfort with arithmetic notation. Mathler is the hardest of the four because the target is a number you must reach via an equation you construct.
Can these puzzles improve math skills?
Modestly. Daily number puzzles train mental arithmetic (estimation, parity, modular reasoning) and constraint-narrowing, which transfers to mental-math fluency. They are not a substitute for structured math practice — but as a five-minute daily warm-up they keep arithmetic intuitions active.
Ready to try the hint-driven deduction loop? Play today’s NumGrid puzzle →