Logic7 vs Total Biochem
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Logic7
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Welcome to Logic7 – A Quiet Numbers Puzzle Unwind and sharpen your mind with Logic7, a beautifully minimalist 7x7 logic game based on the classic Latin square. Whether you want a quick mental stretch or a deep cognitive challenge, Logic7 offers a soothing, distraction-free environment to test your logic. How to Play: The rule is simple: Fill the 7x7 grid so that every row and every column contains the numbers 1 through 7 exactly once. No repeats, just pure deduction. Features: - Three Difficulty Levels: Choose from Easy (~50% hidden cells), Medium (~55% hidden), or Hard (~65% hidden) to match your mood. - Smart Clue System: Stuck on a tough cell? Spend a Clue Token to reveal intelligent hints. Decode Addition, Subtraction, Greater-than, Less-than, and exact Value clues to crack the grid. - The 3-Lives Challenge: Think carefully before you tap! You have 3 hearts (lives) per puzzle. Incorrect entries cost a life, adding a gentle layer of strategy. - Daily Streaks & Stats: Play every day to keep your streak alive! Track your personal bests, win rates, and fastest times on a beautifully animated stats screen. - Premium Calming Design: Enjoy a clutter-free, premium UI featuring a soothing "Cool Paper" Light Mode and a relaxing "Deep Slate" Dark Mode. - Learn in Seconds: A quick, interactive 45-second tutorial will teach you everything you need to know without overwhelming you. Take a deep breath, look at the grid, and let the logic flow. Download Logic7 and start your new daily puzzle ritual today.
Total Biochem
Master biochemistry with comprehensive study tools, including practice questions, lessons, flashcards, and mock exams. Then, apply your knowledge in a captivating night-shift mystery game where you diagnose patients by analyzing lab results and biochemical pathways.
- 3,300+ Practice Items
- Lessons for Every Topic
- Flashcards & Cheat Sheets
- Mock Exams & Course Map
- Step-by-step Mechanism Walkthroughs
- Clinical Mystery Game
- Lab Analysis Simulation
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A complete biochemistry study app with a bonus night-shift mystery game. Drill every topic and read every pathway — then take a case on the metabolic service, where the same biochemistry is the only thing that tells you what's wrong with the patient. STUDY — EVERYTHING BEFORE THE EXAM (AND AFTER) • 3,300+ Practice Items: 37 drill topics from amino acids to metabolic integration — enzyme kinetics, the pathways, inborn errors, lab methods, the central dogma, and more. Built for course exams, MCAT review, and anyone coming back to biochemistry. • A Lesson for Every Topic: the rules, the traps, and figures drawn the way the exam draws them — kinetics plots and pathway boards you can actually read. • Flashcards & Cheat Sheets: 31 decks and 550+ cards with spaced review, plus pinned reference sheets — the pKa ladder, the control points, the compartments, the quick reference. • Mock Exams & the Course Map: build a practice test with pace presets and exam-style deferred feedback, fix what you missed, and clear units on the Course Map. • Mechanisms, Arrow by Arrow: 15 step-by-step walkthroughs — serine proteases, PLP, TPP, kinases, aldolases — one electron push at a time. PLAY — THE BONUS: A CLINICAL MYSTERY • Work the Night Service: seven floors of a hospital, from the nursery to the exercise lab. Patients arrive with a story — an infant who vomits after fruit juice, a runner with cola-colored urine — and your job is to find the enzyme that failed. • Read the Labs Yourself: order tests against a clock, a reagent budget, and one tube of blood that never refills. The instrument shows you the trace; it never tells you what it means. Misread it, and the wrong number goes in the file. • Place the Block: pin a block on one step of the pathway board and see what the body would do — what piles up, what runs out. When it matches the labs, you call the attending. Three answers, one phone call, no partial credit. • A Hospital with Secrets: every floor has its own story — a swapped formula lot, a visitor after hours, a signature from a clinic that closed last year. Look around, ask the right person, and find out. Free to try. One purchase unlocks everything — no subscriptions, no microtransactions.
Screenshots
Verdict
The clearest difference is in-app purchases: Logic7 at none against Total Biochem's 1. Logic7 also leads on update cadence (daily vs weekly). Total Biochem's advantage is ads (none vs shown) and device support (3 vs 1). On price 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. Total Biochem sells 1 one-off in-app purchase. Logic7 asks for nothing beyond the download.
Logic7 ships an update daily, Total Biochem weekly. The most recent releases landed on September 28, 2026 and October 8, 2026 respectively.
| Parameter | Logic7 | Total Biochem |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Daily — better | Weekly |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 8 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | Neslihan Turpcu | Sinter Labs LLC |
In-app purchases
Logic7
No in-app purchases
Total Biochem
- Full Game$9.99









