Comparison

Oneing vs Fill

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Oneing

Features
Read full description

One: the game that lights up your mind The goal is to set all cells on the board to 1 with a sequence of clicks. When you click on a 0, the cell is set to 1; when you click on a 1 the cell is set to 0. In addition, each click changes the current state of the entire row and column that contain the cell you've clicked.

About

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.

Highlights
  • Fill all empty blocks
  • Swipe-based controls
  • Intricate levels
  • Minimalist design
  • Portal to next level
  • Problem-solving challenges
Features
Read full description

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.

Screenshots

Oneing4 screens
Fill4 screens

Verdict

The call

The clearest difference is in-app purchases: Oneing at none against Fill's 1. Fill's advantage is update cadence (every 6 days vs every 18 months). On price, ads, device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Fill sells 1 one-off in-app purchase. Oneing asks for nothing beyond the download.

UpkeepUpdate frequency

Oneing ships an update every 18 months, Fill every 6 days. The most recent releases landed on October 27, 2026 and November 4, 2026 respectively.

Scorecard2 real differences · 8 level
Oneing versus Fill: the parameters behind the verdict, then further details
ParameterOneingFill
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 18 monthsEvery 6 days — better
AdsYesYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.012.0 — better
Further details — not scored
Size31 MB108 MB
Age rating4+4+
DeveloperUgo ChiricoJan Nemecek

In-app purchases

None

Oneing

No in-app purchases

1 purchases

Fill

One-time1
  • Remove Ads$1.99

Questions

Is Oneing free?
Oneing is free to download, with no in-app purchases.
Is Fill free?
Fill is free to download, with in-app purchases available.
Do Oneing or Fill have ads?
Both Oneing and Fill show ads.
Which is updated more often, Oneing or Fill?
Oneing ships an update every 18 months, and Fill every 6 days. Most recently, Oneing was updated on October 27, 2026 and Fill on November 4, 2026.

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