# Deduce — Daily deduction challenges > Daily logic deduction puzzles with archive access and themed packs. (iPhone/iPad app by Mark Mainwood.) - Source: https://appshunter.io/ios/app/deduce/id6745759798 (this page in markdown: same URL + `.md`) - Developer: [Mark Mainwood](https://appshunter.io/developer/769006329) - Category: Games, Entertainment, Board, Puzzle - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings · 7 written reviews indexed - Age rating: 4+ - Requires: iOS 13.0 · 76 MB - Languages: American English - Released: 2025-06-25 - Data updated: 2026-07-06 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/deduce/id6745759798/reviews.md ## What is Deduce? Train your brain with Deduce — the ultimate daily logic challenge! Whether you’re a curious beginner or a seasoned puzzler, Deduce delivers fresh, satisfying challenges every single day. Daily Puzzles • Three brand-new puzzles every day: Easy, Medium, and Hard • Ideal for a quick 5-minute challenge or a deep dive Instant Archive Access • Unlock and play over 100 puzzles right from the start • Explore past puzzles with the sleek calendar view Special Puzzle Packs • Download themed packs — some free, some available for purchase • New packs added regularly without needing an app update For All Skill Levels • Challenging enough to stump experienced puzzle fans • Great for teaching kids logical thinking Built-in Guide • Learn the ropes quickly with an in-app tutorial • Master subtle strategies as you go Every Puzzle is Handcrafted • One unique solution per puzzle • No guessing — all connections must be used Pure Gameplay, No Distractions • No ads, no timers, no pressure • Clean interface designed to keep you focused • Progress is saved automatically Deduce is your daily dose of logical satisfaction — quick to pick up, impossible to put down. ## Key features - Three daily puzzles (Easy, Medium, Hard) - Instant access to over 100 puzzles - Themed puzzle packs (free and paid) - In-app tutorial and strategy guide - Handcrafted puzzles with unique solutions - Ad-free, timer-free gameplay ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Access Archives | $1.99 | one-time | | Kids' Pack 1 | $0.99 | one-time | | Hard Pack 1 | $0.99 | one-time | | Just + and x 1 | $0.99 | one-time | | Mixed Pack 1 | $0.99 | one-time | | Just + and > 1 | $0.99 | one-time | | Just x and > 1 | $0.99 | one-time | | Medium Pack 1 | $0.99 | one-time | | Easy Pack 1 | $0.99 | one-time | | Extra Hard Pack 1 | $1.99 | one-time | ## Recent user reviews (7 of 7) All indexed reviews: https://appshunter.io/ios/app/deduce/id6745759798/reviews.md ### 5/5 — My new addiction! *2025-10-02, version 1.0.4* Always looking for games that will challenge me, but not get too tedious and boring — and I finally found it! A super cool concept, with an abundance of packs for when you finally crack the daily puzzles. Looking forward to seeing how this evolves to really keep me on my toes! ### 5/5 — Deduce it Dammit *2025-07-09, version 1.0.4* Once you’ve cracked it, Deduce is a doddle. But until you’ve cracked it, Deduce, Dammit is hard. It’s a fun daily challenge and deserves to go viral! ### 5/5 — Excellent Logic Game *2025-07-08* Interesting logic game. Lots of fun. **Developer response:** Hi there. Thanks so much for the lovely review. I hope you’re enjoying the daily puzzles. ### 5/5 — Simple, Addictive, and Surprisingly Challenging! *2025-07-07, version 1.0.4* A great way to keep your brain sharp while having fun. Highly recommended if you love numbers, puzzles, or challenging yourself ### 5/5 — Love this! *2025-07-06, version 1.0.4* Great puzzles to get you thinking - very addictive! ### 5/5 — Best new game on the App Store!!! *2025-06-25, version 1.0.4* Super unique and original concept. Definitely worth a try ### 5/5 — Brilliant puzzles! *2025-06-25, version 1.0.4* These new style puzzles are hugely engaging. Pure logic reveals the answer and the daily fix of Easy, Medium and Hard certainly switches the brain on! They take exactly long enough to be a fun challenge, like Wordle for numbers. Six stars!! ## Frequently asked questions about Deduce ### What kind of puzzles does Deduce offer? Deduce offers daily logic deduction puzzles. Each day, you receive three new puzzles: Easy, Medium, and Hard. These are designed to be challenging and require logical thinking to solve. ### Can I play Deduce offline? The description does not explicitly state offline play capabilities. However, the mention of an 'Instant Archive Access' suggests that downloaded puzzles might be playable without an active internet connection. ### Does Deduce have ads? No, Deduce is designed for pure gameplay with no distractions. The app explicitly states it has no ads, no timers, and no pressure, allowing users to focus solely on solving the puzzles. ### How many puzzles are available in Deduce? Deduce provides instant access to over 100 puzzles right from the start. Additionally, new puzzles are generated daily, and themed packs can be unlocked for further content. ### Are there different difficulty levels in Deduce? Yes, Deduce offers puzzles at three distinct difficulty levels: Easy, Medium, and Hard. This caters to a wide range of players, from beginners to seasoned puzzle enthusiasts. ### What devices does Deduce support? Deduce is supported on iPhone, iPad, and iPod devices. This indicates it is primarily designed for Apple's iOS ecosystem. ### How often is Deduce updated? The latest version of Deduce is 2.0, and it was last updated on February 26, 2026. This suggests a relatively recent update, and new puzzle packs are added regularly. ### Is Deduce suitable for children? Yes, Deduce is rated for ages 4 and up and is described as great for teaching kids logical thinking. Its clean interface and lack of pressure make it an accessible option for younger players. ## Version history (last 2 releases) ### 2.0 — 2026-02-26 * New optional timer (off by default) * Share when you complete a puzzle * Updated tutorial for > * Reduced time for initial show of guide from 5s to 2s * Fixed Archive screen bug when no network connection * Added access to the tutorial from the game screen ### 1.0.4 — 2025-06-25 No release notes. ## More apps by Mark Mainwood - [Letter Setter](https://appshunter.io/ios/app/letter-setter/id1465817094) - [Solitaire Logic](https://appshunter.io/ios/app/solitaire-logic/id1481885506) All apps by Mark Mainwood: https://appshunter.io/developer/769006329 ## Related topics [deduce](https://appshunter.io/ios/topics/deduce) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-06.*