SumX vs grabä
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
SumX
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SumX: The Daily Math Grid & Brain Training Sharpen your mind with SumX, the addictive daily math puzzle designed for speed and logic. If you love Sudoku, Wordle, or mental math challenges, SumX is your new morning ritual. Find the target number, spot the patterns, and climb the leaderboard. [HOW TO PLAY] The Target: Every grid has a unique target number. Build Your Solution: Tap numbers and operators (+ or ×) to reach the goal. Beat the Clock: You have 3 minutes! How many solutions can you find? Speed Bonus: Earn extra points for finishing early with our time-saver bonus. [WHY SUMX?] Daily Mental Workout: A fresh math grid every day to keep your brain agile. Private Groups: Create a group, share your Group Code, and compete on a private leaderboard with friends and family. Analyze & Learn: Missed a solution? Use "Show Missing" to see overlooked patterns in red. Track Progress: Detailed stats to monitor your arithmetic speed and cognitive growth. [PERFECT FOR] Fans of logic puzzles and number games. Students practicing mental math and multiplication. Adults looking for a quick, 3-minute brain teaser.
grabä
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Fire up your drill and carve a path through a world that changes every run. A mining adventure where deeper ground brings rarer rewards and greater danger. Haul ore back to the surface, sell it, and invest the money in your rig. Every upgrade helps you push past the depth that stopped you last time. • Explore a newly generated world every run • Manage fuel, hull, cargo, and battery in the dark • Upgrade your rig across nine branches • Face lava, gas, harsh weather, and changing lands • Take on a new Daily Challenge and climb the global leaderboard Simple touch controls. Portrait layout. One more dig. Just one more.
Screenshots
Verdict
The clearest difference is in-app purchases: SumX at none against grabä's 1. SumX also leads on device support (3 vs 1). grabä's advantage is update cadence (every 3 days vs every 5 days). On price, ads and iOS requirement 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. grabä sells 1 one-off in-app purchase. SumX asks for nothing beyond the download.
SumX ships an update every 5 days, grabä every 3 days. Both last shipped on November 5, 2026.
| Parameter | SumX | grabä |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days | Every 3 days — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 41 MB | 112 MB |
| Age rating | 4+ | 4+ |
| Developer | SumX Games LTD. | Marc Rymann |
In-app purchases
SumX
No in-app purchases
grabä
- Remove Ads$2.99









