AquaCircuit vs Project Rail
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
AquaCircuit
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AquaCircuit is a calm pressure-routing puzzle game about building stable water circuits. Rotate pipe tiles, guide colored fluids to matching sinks, seal branch leaks, route through filters, cross over bridges, tune pressure gates, and combine flows through mixers. Each stage has an authored solution and target budgets for moves and time, with difficulty increasing across the full campaign. Features: - 500 playable stages across tutorials, glass routing, deep tanks, pressureworks, and advanced generated challenge packs. - Pipe mechanics including elbows, tees, caps, reservoirs, filters, pumps, bridges, pressure gates, and mixers. - Local-only progress and best-score tracking. - Optional timer, sound, haptics, and reduced-motion setting. - No third-party ads, in-app purchases, or account requirement. - Inspect pipe openings, pressure gates, timers, and portals without changing your route. - Read-only circuit overview for larger puzzles, then return to full-size editing controls. - Saved puzzle routes, clearer flow feedback, and a Firebase gameplay analytics control in Settings. Optional Hishi Games suggestions can introduce Nilo's Path on the main menu after three distinct non-tutorial stages are completed. Suggestions never interrupt a puzzle, appear at most once per app session and seven days, and can be dismissed for 30 days. The link opens the studio's Nilo page, with no user identifier in the URL.
Project Rail
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RAIL is a calm strategy arcade game built on one rule: you never control the trains, you control the world. Swipe any row or column and the whole lane slides one step, tracks, trains and all. The board wraps around, so nothing ever leaves. Trains keep rolling while the landscape shifts beneath them. Guide every pastel train to the station of its own color. A broken connection does not end the game right away. The train pauses, glows amber, and gives you one breath to rescue it with a clever shift. Land five deliveries in a row and you enter Flow, where every arrival counts double. FEATURES - One gesture, endless depth: swipe to shift rows and columns - Every run is a new board with fresh stations and tunnels - Incoming trains are announced ahead of time, so you plan instead of panic - Wordless first ride that teaches the game in seconds - Minimal design, soft pastel colors, subtle haptics - No account, no ads, no internet needed Short runs, deep planning, zero stress. How long can you keep the world moving?
Screenshots
Verdict
AquaCircuit and Project Rail are too close to call on the numbers: across 5 compared parameters โ price, ads, in-app purchases and device support among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | AquaCircuit | Project Rail |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 weeks | โ |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad โ better | iPhone |
| Requires iOS | 16.0 โ better | 16.4 |
| Further details โ not scored | ||
| Size | 13 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | hili mor | Daan Koeman |
In-app purchases
AquaCircuit
No in-app purchases
Project Rail
No in-app purchases
Questions
Is AquaCircuit free?
Is Project Rail free?
Do AquaCircuit or Project Rail have ads?
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