Flow Fill! vs RΔY
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Flow Fill!
This physics-based puzzle game challenges you to predict how liquid flows through connected tanks. Drag numbered balls to lock in your predictions and watch the simulation unfold. Master the logic to progress through increasingly difficult levels.
- Predictive liquid flow puzzles
- Physics-based simulation
- Progressive difficulty
- Intuitive drag-and-drop controls
- Real-time visual feedback
- Logic-testing gameplay
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Flow Fill! Predict the Flow, Master the Logic Think you can outsmart the flow? Pour Orders is a clever physics-based puzzle game where every level challenges your ability to predict how liquid moves through connected tanks. Your mission is simple but deceptive: decide which tank will fill first, and which ones follow. Drag the numbered order balls onto the empty tanks to lock in your prediction. Then watch the water flow in real-time and see if your logic holds up. One wrong move? The level resets. No mercy, only reasoning. Features: Unique flow-based puzzles that test real intuition Satisfying water simulation with clear visual feedback Progressive difficulty that sharpens your brain Simple controls, deep challenge Perfect for quick sessions or long strategy runs This is not a guessing game. This is logic under pressure. Can you read the pipes, predict the path, and pour in the correct order? Download Pour Orders and prove your brain can keep up with the flow.
RΔY
A tranquil puzzle game that challenges your physics knowledge. Aim a ray to hit all targets in a satisfying and brain-tickling experience.
- Physics-based gameplay
- Target hitting puzzles
- Tranquil atmosphere
- Brain workout
- Satisfying challenges
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Aim the Ray to hit all targets. A satisfying and tranquil puzzle game where you can test your physics knowledge and give your brain a good workout.
Screenshots
Verdict
The clearest difference is review sentiment: Flow Fill! at 67% against RΔY's 0%. Flow Fill! also leads on rating (4.3 vs 2.0) and in-app purchases (none vs 1). RΔY's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price, ratings volume, update cadence and device support 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. RΔY sells 1 one-off in-app purchase. Flow Fill! asks for nothing beyond the download.
Flow Fill! holds the better App Store score, 4.3 against 2.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews point the same way: 67% of Flow Fill!'s written reviews are positive against 0% of RΔY's.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on June 3, 2026 and August 1, 2026 respectively.
| Parameter | Flow Fill! | RΔY |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (4 ratings) — better | 2.0 (2 ratings) |
| Positive reviews | 66.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 4 — better | 2 |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 310 MB | 163 MB |
| Age rating | 4+ | 4+ |
| Developer | FUNDORA YAZILIM PAZARLAMA VE TICARET LIMITED SIRKETI | Raketspel AB |
Customer experience
Flow Fill!
RΔY
In-app purchases
Flow Fill!
No in-app purchases
RΔY
- No ads$6.99
