SliceSum vs Decodex
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
SliceSum
Engage your mind with a daily math puzzle game where you strategically place symbols between numbers to reach a target value. Enjoy quick, satisfying challenges with streak tracking and multiple difficulty levels. Play offline and keep your data private.
- Daily math puzzles
- Number slicing gameplay
- Streak tracking
- Multiple difficulty levels
- Offline play
- Light and dark mode
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SliceSum is a fun daily math puzzle game where you “slice” numbers by placing symbols between numbers to hit the target. You’ll get a number and a target value, then it’s up to you to find a clever solution. It’s easy to learn, satisfying to solve, and perfect for a quick brain boost. Why you’ll like it: • Quick puzzles you can play anytime • A new Daily Puzzle every day • Streak tracking and shareable results • Multiple difficulty levels as you improve • Hints when you need a little help • Clean design with light and dark mode Premium (one-time purchase) includes: • No ads • Hard + Very Hard modes • Hard Daily Puzzle • Unlimited hints • Current Total display SliceSum works offline for core gameplay, and your data stays on your device. If you enjoy number games, logic puzzles, and daily challenges, SliceSum is a great pick.
Decodex
Engage in a modern take on classic cryptogram puzzles. Decipher quotes and enigma codes across diverse categories. Track your progress, build streaks, and enjoy a new challenge daily.
- 50+ puzzle categories
- Daily enigma challenges
- Intuitive user interface
- Progress tracking and streaks
- Substitution cipher gameplay
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Step into a world of logic and ciphers. Decodex transforms classic cryptogram puzzles into a modern, addictive mobile experience. Whether you’re a fan of wordy challenges, a wordsearch enthusiast, or an enigma-solving veteran, our puzzles will sharpen your mind one quote at a time. If you enjoy the daily ritual of the NYTimes Games or the deep strategy of a crypto game, Decodex is your new favorite obsession. Key Features: - 50+ Categories: From Ancient Philosophy to Modern Wit. - Daily Enigmas: A fresh substitution cipher every single day. - Intuitive UI: Designed for effortless logic-first play. - Track Your Progress: Earn stars, build streaks, and become a master codebreaker.
Screenshots
Verdict
The clearest difference is ads: Decodex at none against SliceSum's shown. Decodex also leads on update cadence (every 2 days vs weekly). On price, rating, review sentiment and ratings volume 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. SliceSum sells 1 one-off in-app purchase and Decodex sells 4 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 — 5.0 for SliceSum against 5.0 for Decodex. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
SliceSum ships an update weekly, Decodex every 2 days. Both last shipped on October 24, 2026.
| Parameter | SliceSum | Decodex |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (3 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 | 3 — better |
| Update frequency | Weekly | Every 2 days — better |
| Ads | Yes | No — better |
| 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 | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 57 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | David Smith | Aron Csatlos |
Customer experience
SliceSum
Decodex
In-app purchases
SliceSum
- SliceSum Premium$3.99
Decodex
- Extra Hints - Small Pack$0.99
- Extra Hints - Big Pack$1.99
- Decodex Premium$2.99
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- Extra Hints - Ultimate Pack$4.99









