Fill vs DualSide
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Fill
Navigate a minimalist maze by swiping a square to fill every empty block. Once all blocks are filled, a portal opens to the next challenging level. This abstract puzzle game offers a calming yet mentally stimulating experience for players who enjoy elegant design and strategic gameplay.
- Fill all empty blocks
- Swipe-based controls
- Intricate levels
- Minimalist design
- Portal to next level
- Problem-solving challenges
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Introducing Fill—a minimalist puzzle game where every move counts. In this abstract maze challenge, you control a square and must swipe your way through intricate levels by activating every empty block. Once you've filled all blocks, the portal opens, leading you to the next level. With a sleek, minimalist design, Fill offers a calming yet challenging experience. Perfect for puzzle lovers who appreciate simplicity and elegance in their games, Fill will test your problem-solving abilities at every level.
DualSide
A fast-paced reaction game focused on timing and precision. Flip your paddle to match colors and keep the rally going. Compete with friends and climb global leaderboards in this skill-based, minimalist experience.
- One-tap paddle flipping
- Endless rally gameplay
- Global leaderboard competition
- Head-to-head challenges
- Seamless iCloud sync
- Minimalist design
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DualSide is a fast-paced reaction game where timing is everything. Flip your paddle, match the color, and keep the rally alive. What starts simple quickly becomes intense. One mistake and it is game over. Challenge friends with iOS 26 Game Center Challenges, climb the global leaderboard, activate score multipliers, and test your reflexes in an endless, evolving rally. With bold colors and minimal design, DualSide is pure skill with no distractions. Features • One-tap paddle flipping mechanics. • Endless rally gameplay with increasing intensity with multipliers. • Compete head-to-head with friends via Game Center on iOS 26. • Global leaderboard competition , get your pot on today's, week or all time leaderboard. • Seamless iCloud sync. Pick up where you left off on any device. • Clean, minimal design focused on reaction and precision. Can you keep the rally alive and rise to the top?
Screenshots
Verdict
The clearest difference is update cadence: Fill at every 6 days against DualSide's every 3 weeks. Fill also leads on iOS requirement (12.0 vs 15.6). On price, rating, review sentiment and ratings volume 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. Fill sells 1 one-off in-app purchase and DualSide sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Fill against 5.0 for DualSide. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Fill ships an update every 6 days, DualSide every 3 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | Fill | DualSide |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 6 days — better | Every 3 weeks |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 108 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | Jan Nemecek | Vikas Pawar |
Customer experience
Fill
DualSide
In-app purchases
Fill
- Remove Ads$1.99
DualSide
- Remove Ads$2.99









