Comparison

One Thing vs FocusFlow · Focus Timer

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

Head to head
About

One Thing

Read full description

Make measurable progress every day by focusing on just one thing. • Reduce overwhelm and finish what matters — one meaningful task a day moves you forward. • Build unstoppable momentum — small daily wins add up into real change. • Clear your mind — remove distractions and decision-fatigue so you can focus. • Keep it private — what you add stays on your device, no syncing or sharing. How it works Set exactly one task for today. Commit to it, complete it, and mark it done — that's progress. One Thing tracks your streaks and weekly consistency so you can see momentum without clutter or complexity. Access it directly from home screen, no need to open the app and find the correct place. Who it’s for For entrepreneurs, creatives, minimalists, and anyone tired of endless to-do lists who wants a simple, reliable way to get meaningful work done daily. Start small. Finish big. Download One Thing and begin today. 100% privacy. What is added to the app, stays in the app. No content is ever synced or exported in any way. Development in Germany Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://alluring-caribou-3e8.notion.site/Privacy-Policy-316a0c6a3d8f8087912fecd13583d2b6

About

FocusFlow · Focus Timer

Features
Read full description

Focus deeper. Distract less. Build the habit. FocusFlow is a beautifully simple Pomodoro timer for people who want to do meaningful work. No accounts. No tracking. No cloud. Just a calm, focused space that helps you put in the hours that matter. Whether you're studying for an exam, shipping code, writing a novel, or learning a new skill — FocusFlow gives you the structure of the Pomodoro technique, the calm of ambient soundscapes, and the satisfaction of watching your focus streak grow. WHY FOCUSFLOW • Designed for deep work, not gamification • Your data stays on your device — nothing leaves your iPhone • Native iOS through and through: SwiftUI, Live Activities, Dynamic Island, Apple Watch • Beautiful in every detail — colour themes, accessible typography, thoughtful animations • English, Türkçe, Deutsch, Français, Español, 日本語, 한국어, 简体中文 — switch languages instantly inside the app CORE FEATURES (FREE) • Customisable Pomodoro timer with focus, short break, and long break phases • Five session profiles (Work, Study, Creative, Reading, Exercise) — each with its own preset durations • Auto-start breaks so you stay in flow • Three high-quality ambient sounds (Rain, Birds, Coffee Shop) you can mix freely • Daily focus goal with progress tracking • Session history and basic statistics • Live Activity on the lock screen and Dynamic Island • Local notifications when each phase ends — no alerts you didn't ask for • System-wide Light, Dark, and per-app accent color • Full VoiceOver support FOCUSFLOW PRO Unlock everything with FocusFlow Pro: • 7 additional ambient sounds — Thunderstorm, Forest, Ocean Waves, City Traffic, White Noise, Pink Noise, Lo-Fi Beats • Sound mix presets — Rainy Cafe, Forest Morning, Deep Focus, Ocean Breeze, Cozy Storm • Detailed weekly chart and full session history • Apple Watch sync — start, pause, and skip from your wrist; durations stay in sync both ways • Future Pro features included automatically PRIVACY-FIRST BY DESIGN FocusFlow does not collect, transmit, or sell your data. Everything — sessions, settings, sound preferences — lives on your device. We don't have user accounts, analytics SDKs, or third-party trackers. The only network calls FocusFlow makes are to Apple's StoreKit servers when you subscribe. SUBSCRIPTION FocusFlow Pro is available as a Monthly subscription, Yearly subscription, or one-time Lifetime purchase. The Monthly and Yearly plans include a 1-week free trial for new subscribers. • Payment will be charged to your Apple ID account at confirmation of purchase. • Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. • You can manage and cancel your subscription anytime in your App Store account settings. • Any unused portion of a free trial period will be forfeited when you purchase a subscription. Privacy Policy: https://focusflow.deepytech.com/privacy Terms of Service: https://focusflow.deepytech.com/terms Made with care by DeepyTech.

Screenshots

One Thing4 screens
FocusFlow · Focus Timer4 screens

Verdict

The call

The clearest difference is update cadence: FocusFlow · Focus Timer at every 9 days against One Thing's every 5 weeks. FocusFlow · Focus Timer also leads on iOS requirement (17.0 vs 26.2). On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. One Thing sells 2 in-app purchases, starting at $0.99 per year and FocusFlow · Focus Timer sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

One Thing ships an update every 5 weeks, FocusFlow · Focus Timer every 9 days. Both last shipped on October 7, 2026.

Scorecard2 real differences · 4 level
One Thing versus FocusFlow · Focus Timer: the parameters behind the verdict, then further details
ParameterOne ThingFocusFlow · Focus Timer
PriceFreeFree
Update frequencyEvery 5 weeksEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone
Requires iOS26.217.0 — better
Further details — not scored
Size6 MB35 MB
Age rating4+4+
DeveloperStefan MattisHAKAN AKYAZ

In-app purchases

2 purchases

One Thing

Subscriptions1
  • Yearly$0.991 Year
One-time1
  • Forever Pro$2.99
3 purchases

FocusFlow · Focus Timer

Subscriptions2
  • Pro Monthly7 Days trial$4.991 Month
  • Pro Yearly7 Days trial$29.991 Year
One-time1
  • Pro Lifetime$39.99

Questions

Is One Thing free?
One Thing is free to download, with in-app purchases available.
Is FocusFlow · Focus Timer free?
FocusFlow · Focus Timer is free to download, with in-app purchases available.
Do One Thing or FocusFlow · Focus Timer have ads?
Neither One Thing nor FocusFlow · Focus Timer shows ads.
Which is updated more often, One Thing or FocusFlow · Focus Timer?
One Thing ships an update every 5 weeks, and FocusFlow · Focus Timer every 9 days. Most recently, One Thing was updated on October 7, 2026 and FocusFlow · Focus Timer on October 7, 2026.

Other comparisons