Comparison

Flow Interval vs Countdown Timer

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

Head to head
About

Flow Interval

Features
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Flow Interval – Customizable Step Timer Build your perfect routine with connected timers. Flow Interval lets you create flexible timer sequences for any activity β€” from high-intensity interval training (HIIT) and yoga flows to Pomodoro study sessions and cooking routines. Key Features: β€’ Flexible Timer Sequences Add unlimited steps and combine β€œWork,” β€œRest,” and β€œPrep” intervals in any order. β€’ Clear, Intuitive Visuals A circular progress indicator and clean interface show exactly where you are and what’s coming next. β€’ Effortless Editing Duplicate, reorder, and fine-tune steps with ease. Copying β€œRound 1” instantly creates β€œRound 2.” β€’ Custom Alerts Choose from multiple sound effects and vibration options to match your style. β€’ Background Support Stay on track with notifications, even when the app is in the background or your screen is locked. β€’ Privacy First No accounts. No tracking. All data stays on your device. Ideal For: β€’ Fitness β€” HIIT, Tabata, yoga, stretching β€’ Productivity β€” Pomodoro, presentations, deep work β€’ Lifestyle β€” meditation, cooking, daily routines Focus on what matters. Let Flow Interval handle the time. Download now and find your flow.

About

Countdown Timer

Features
Read full description

OneDial is a structured routine system built for focused execution. Create routines, break them into tasks, and run them seamlessly through an intuitive dial interface. Whether it’s a morning ritual, deep work session, or workout block, OneDial helps you stay intentional and in control. Free includes: β€’ One active routine β€’ Up to 5 tasks per routine β€’ Manual progression β€’ Clean, distraction-free design OneDial Pro unlocks: β€’ Unlimited routines β€’ Unlimited tasks β€’ Auto-play transitions β€’ Auto-loop functionality Built for clarity. Designed for execution. No clutter. No noise. Just structure. Privacy Policy: https://one-dial.vercel.app/privacy Terms of Service: https://one-dial.vercel.app/terms

Screenshots

Flow Interval4 screens
Countdown Timer4 screens

Verdict

The call

The clearest difference is update cadence: Countdown Timer at weekly against Flow Interval's every 3 months. Countdown Timer also leads on iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

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

Both are free to download. Flow Interval sells 3 one-off in-app purchases and Countdown Timer sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Flow Interval ships an update every 3 months, Countdown Timer weekly. The most recent releases landed on September 5, 2026 and September 9, 2026 respectively.

Scorecard2 real differences Β· 4 level
Flow Interval versus Countdown Timer: the parameters behind the verdict, then further details
ParameterFlow IntervalCountdown Timer
PriceFreeFree
Update frequencyEvery 3 monthsWeekly β€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS26.015.1 β€” better
Further details β€” not scored
Size1 MB71 MB
Age rating4+4+
DeveloperTakumi KanayaDenys Koshman

In-app purchases

3 purchases

Flow Interval

One-time3
  • Small Tip$0.99
  • Medium Tip$3.99
  • Large Tip$8.99
3 purchases

Countdown Timer

Subscriptions2
  • OneDial Pro Monthly$3.991 Month
  • OneDial Pro Yearly$29.991 Year
One-time1
  • OneDial Pro Lifetime$59.99

Questions

Is Flow Interval free?
Flow Interval is free to download, with in-app purchases available.
Is Countdown Timer free?
Countdown Timer is free to download, with in-app purchases available.
Do Flow Interval or Countdown Timer have ads?
Neither Flow Interval nor Countdown Timer shows ads.
Which is updated more often, Flow Interval or Countdown Timer?
Flow Interval ships an update every 3 months, and Countdown Timer weekly. Most recently, Flow Interval was updated on September 5, 2026 and Countdown Timer on September 9, 2026.

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