Comparison

Sieger vs One Thing

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

Head to head
About

Sieger

This app helps you achieve your goals by combining goal setting, task time tracking, and daily journaling. Organize your to-do lists with timeboxing, save time with task templates, and track your progress with productivity statistics.

Highlights
  • Goal setting
  • Timeboxed to-do lists
  • Daily journaling
  • Reusable task templates
  • Productivity statistics
  • Cloud synchronization
Features
Read full description

Boost your productivity, achieve your goals, and stay organized with Sieger, the app that combines goal setting, task time tracking & journaling. Key Features: • Set Goals: Define clear, actionable objectives and turn your ambitions into achievements. • Todo Lists with Timeboxing: Organize tasks with customizable intervals, using the Pomodoro technique or with your own timings. • Daily Journal: Capture your thoughts, notes, or pictures as you progress towards your goals. • Task Templates: Save time by creating reusable task templates for your daily routines. • Productivity statistics: Track daily, weekly, and monthly statistics to uncover trends and boost efficiency. • Seamless Syncing: Access your data across all your devices, with secure cloud synchronization. Start your journey to a more productive life. Download Sieger today! Privacy policy https://www.sieger-app.com/privacy-policy Terms of use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula

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

Screenshots

Sieger4 screens
One Thing4 screens

Verdict

The call

The clearest difference is device support: Sieger at 3 against One Thing's 1. Sieger also leads on iOS requirement (12.0 vs 26.2). On price, update cadence, ads and in-app purchases 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. Sieger sells 2 in-app purchases, starting at $1.99 per month and One Thing sells 2 in-app purchases, starting at $0.99 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Sieger ships an update every 3 weeks, One Thing every 5 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
Sieger versus One Thing: the parameters behind the verdict, then further details
ParameterSiegerOne Thing
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better26.2
Further details — not scored
Size64 MB6 MB
Age rating4+4+
DeveloperNo Limits Creations LLCStefan Mattis

In-app purchases

2 purchases

Sieger

Subscriptions2
  • Monthly subscription$1.991 Month
  • Six month subscription$9.996 Months
2 purchases

One Thing

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

Questions

Is Sieger free?
Sieger is free to download, with in-app purchases available.
Is One Thing free?
One Thing is free to download, with in-app purchases available.
Do Sieger or One Thing have ads?
Neither Sieger nor One Thing shows ads.
Which is updated more often, Sieger or One Thing?
Sieger ships an update every 3 weeks, and One Thing every 5 weeks. Most recently, Sieger was updated on November 4, 2026 and One Thing on November 5, 2026.

Other comparisons