Comparison

Oil Timer vs Fill

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

Head to head
About

Oil Timer

Read full description

Make every minute a little more relaxing. Oil Timer is a simple timer app featuring soothing liquid motion inspired by classic oil timers. Set the time you want and enjoy watching the colorful liquid flow while you study, work, read, relax, or take a break. Perfect for: • Studying and staying focused • Work and productivity sessions • Reading and hobbies • Taking relaxing breaks • Meditation and quiet time • Anyone who wants something more enjoyable than an ordinary timer Features: • Set any timer duration you like • Relaxing liquid animation • Simple and easy-to-use interface • Great for study, work, breaks, reading, and more Turn everyday time management into a calmer, more enjoyable experience. Set your timer, watch the liquid flow, and enjoy the moment. standard Apple Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Fill

Features
Read full description

Fill-Timer isn't just a countdown it makes time something you can actually see. Start a timer and watch the hourglass slowly fill up. Seasonal particles drift across your screen. When time's up, a gentle chime brings you back. Simple. Intentional. Calming. Timer • Intuitive dial interface — spin to set your time in seconds • Animated hourglass — sand grains fall and pile up as time passes • Push notification when timer ends, even when the app is in the background • Multiple alert sounds to choose from Seasonal Themes • Spring: soft cherry blossom petals • Summer: clear raindrops sliding down • Autumn: drifting maple leaves and pumpkin season • Winter: pure white snowflakes Premium Themes Unlock exclusive themes including Candy Cane, Soccer, Carnation, Colour Ball and more. Go ad-free and make Fill-Timer your own personal time space. Life Clock Enter your birthday and see how many seasons you have left. Not to create anxiety — but to remind you to savour them. Available in English, Traditional Chinese, Simplified Chinese, Japanese, Korean, French and Spanish.

Screenshots

Oil Timer2 screens
Fill4 screens

Verdict

The call

The clearest difference is in-app purchases: Oil Timer at none against Fill's 3. Fill's advantage is update cadence (daily vs every 7 months) and device support. On price and iOS requirement there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Fill sells 3 one-off in-app purchases. Oil Timer asks for nothing beyond the download.

UpkeepUpdate frequency

Oil Timer ships an update every 7 months, Fill daily. Both last shipped on October 24, 2026.

Scorecard3 real differences Ā· 3 level
Oil Timer versus Fill: the parameters behind the verdict, then further details
ParameterOil TimerFill
PriceFreeFree
Update frequencyEvery 7 monthsDaily — better
Ads—No
In-app purchasesNo — betterYes
Devices—iPhone, iPad — better
Requires iOS15.0 — better16.6
Further details — not scored
Size53 MB25 MB
Age rating4+4+
DeveloperFocaccia, Inc.Cheng Hung Lo

In-app purchases

None

Oil Timer

No in-app purchases

3 purchases

Fill

One-time3
  • Remove Ads$1.99
  • Premium Scenes$1.99
  • Bundle Package$2.99

Questions

Is Oil Timer free?
Oil Timer is free to download, with no in-app purchases.
Is Fill free?
Fill is free to download, with in-app purchases available.
Which is updated more often, Oil Timer or Fill?
Oil Timer ships an update every 7 months, and Fill daily. Most recently, Oil Timer was updated on October 24, 2026 and Fill on October 24, 2026.

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