# Equilibrium: Liquid Logic — Balance six reservoirs > Calm liquid logic puzzle game for balancing reservoir volumes. (iPhone/iPad app by Joao Pedro Rodrigues Possidonio.) - Source: https://appshunter.io/ios/app/equilibrium-liquid-logic/id6791663913 (this page in markdown: same URL + `.md`) - Developer: [Joao Pedro Rodrigues Possidonio](https://appshunter.io/developer/1896773042) - Category: Games, Casual, Puzzle - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 8 MB - Languages: American English - Released: 2026-07-21 - Data updated: 2026-08-19 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/equilibrium-liquid-logic/id6791663913/reviews.md ## What is Equilibrium? Tap two neighbouring tanks: their liquid combines, then splits as evenly as possible between them. Make all six tanks equal in the fewest moves. Equilibrium is a calm logic puzzle built around that single rule. Every campaign puzzle is checked by an exact solver, so each minimum is real and every level has a proven solution. FEATURES • 30 handcrafted campaign levels across three currents • A new Daily puzzle shared worldwide • Endless challenges for continued play • Exact minimum-move solutions and optional hints • Local records, undo and instant restart • Responsive liquid physics using iPhone motion sensors • Haptic feedback, VoiceOver labels and Reduced Motion support • Works offline, with no account, ads or tracking The first eight campaign levels are free. A single lifetime unlock opens the complete game. Take a breath, choose a pair, and let the circle settle. ## Key features - Liquid balancing logic puzzles - Responsive liquid physics - 30 handcrafted campaign levels - Solver-verified challenges - Offline gameplay - One-time purchase unlock ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Full Game / Lifetime Unlock | $0.99 | one-time | ## Frequently asked questions about Equilibrium ### What is Equilibrium? Equilibrium is a calm liquid logic puzzle game where players must balance the volumes of liquid in six reservoirs. The core mechanic involves choosing two neighboring reservoirs and dividing their liquid as evenly as possible to achieve perfect balance. ### How do I play Equilibrium? You play Equilibrium by selecting two adjacent reservoirs and then dividing their liquid contents as evenly as possible. The goal is to reach a state of perfect balance across all six reservoirs using the fewest moves. ### Is Equilibrium free to play? The first eight campaign levels of Equilibrium are free to play. To access the remaining campaign levels, Daily and Endless challenges, and other features, a one-time Full Game / Lifetime Unlock purchase is required. ### Does Equilibrium have ads? No, Equilibrium is ad-free. The game explicitly states 'no ads' as part of its features, and the monetization model is based on a one-time purchase for full access. ### Can I play Equilibrium offline? Yes, once the Full Game is unlocked and verified with an App Store connection, all unlocked content and gameplay remain available offline. This allows for uninterrupted play without an internet connection. ### What devices does Equilibrium support? Equilibrium currently supports iPhone devices. It utilizes iPhone motion sensors for its responsive liquid physics, enhancing the immersive experience. ### How often is Equilibrium updated? The latest version of Equilibrium is 1.3, which was last updated on July 29, 2026. While specific update frequency isn't detailed, this indicates active development and support. ### What is the age rating for Equilibrium? Equilibrium has an age rating of 4+. This suggests it is suitable for young children and features content that is generally considered appropriate for this age group. ## Version history (last 5 releases) ### 1.4 — 2026-08-13 The same calm puzzle, now easier to discover. This update refreshes Equilibrium’s App Store presentation and adds a Portuguese product-page localisation. Gameplay is unchanged. ### 1.3 — 2026-07-29 Equilibrium 1.3 makes the full-game screen easier to leave and adds more control over how the game looks. • Close full-game options clearly from every entry point and return to the right place. • Choose an accessible liquid palette in Settings, or create a validated Custom RGB palette. • See your historical best star rating as soon as you select a completed campaign level. • Accessibility and stability refinements. ### 1.2 — 2026-07-28 Equilibrium now includes an eight-level free preview with one lifetime unlock for the complete game. Existing paid owners keep full access automatically. Also new: • Solver-based star ratings for campaign levels • Daily and Endless challenges • Game Center leaderboard and five achievements • Manual result sharing • Clearer accessible quantity colours • The original Glass Current soundscape and redesigned sound effects • Performance, accessibility and stability improvements No subscription, advertising, analytics or account is required. ### 1.1 — 2026-07-24 • Clearer, more accessible colours make nearby quantities easier to distinguish. • New mastery chapters, badges, a daily puzzle and endless solver-verified challenges. • Improved liquid motion, settling and performance. • New zen soundscapes and sound controls. • Smarter feedback for near-misses and over-limit attempts. ### 1.0 — 2026-07-21 No release notes. ## Related topics [equilibrium](https://appshunter.io/ios/topics/equilibrium) --- *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 2026-08-19.*