Comparison

Simple Q&A Diary 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

Simple Q&A Diary

This journaling app simplifies tracking your life by having you answer a set of questions instead of writing long entries. Customize your questions to focus on habits, productivity, mood, or fitness, making journaling faster and more consistent.

Highlights
  • Answer questions instead of writing essays
  • Fully customizable questions
  • Entries viewable by day or grouped by question
  • Export data as plain text
  • Track habits, productivity, mood, and fitness
  • Numeric answers visualized as graphs
Features
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In this journaling app you answer a set of questions regularly. This makes journaling faster, more focused, and easier to stick with. You decide what to track - and you can change your questions at any time. Want to lose weight? Add questions like “What did I eat today?” or “How many miles did I run?” Want to improve your habits, productivity, or mood? Just ask the right questions. Answering the same questions daily (or weekly) helps you stay aware, consistent, and goal-oriented. Key ideas - You journal by answering questions, not writing essays - Questions are fully customizable - Entries can be viewed by day or grouped by question - All data can be exported as plain text, so you always own it Free features - One question list with up to 2 questions - Edit your questions at any time (existing entries stay intact) - Text, numeric, and yes/no question types - Skip questions and answer them later — entries remember unanswered questions - Edit or delete any entry - Create entries gradually throughout the day (perfect for gym workouts, habit tracking, or quick notes) - Group entries by question - Search your entire diary - View numeric answers as graphs - Export your diary as plain text and copy it anywhere - Import, export, back up, and restore entries via email - iCloud backup - Custom URL scheme (to open the app from a launcher): simpleqadiary:// Paid features - One template (or list of questions) with unlimited number of questions - Unlimited templates (multiple question lists for different goals) Simple Q&A Diary is ideal for habit tracking, self-reflection, fitness logs, productivity monitoring, and anyone who wants a structured, low-friction journaling system. 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

One Thing4 screens

Verdict

The call

The clearest difference is update cadence: One Thing at fortnightly against Simple Q&A Diary's every 2 months. Simple Q&A Diary's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 26.2). On price, 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. Simple Q&A Diary sells 4 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

Simple Q&A Diary ships an update every 2 months, One Thing fortnightly. The most recent releases landed on November 1, 2026 and November 9, 2026 respectively.

Scorecard3 real differences · 7 level
Simple Q&A Diary versus One Thing: the parameters behind the verdict, then further details
ParameterSimple Q&A DiaryOne Thing
PriceFreeFree
Rating5.0 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better26.2
Further details — not scored
Size12 MB8 MB
Age rating4+4+
DeveloperKaren GrigorianStefan Mattis

In-app purchases

4 purchases

Simple Q&A Diary

Subscriptions3
  • One Template$1.991 Month
  • Unlimited Templates (monthly)$3.991 Month
  • Unlimited Templates (yearly)$34.991 Year
One-time1
  • Unlimited templates$69.99
2 purchases

One Thing

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

Questions

Is Simple Q&A Diary free?
Simple Q&A Diary 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 Simple Q&A Diary or One Thing have ads?
Neither Simple Q&A Diary nor One Thing shows ads.
Which is updated more often, Simple Q&A Diary or One Thing?
Simple Q&A Diary ships an update every 2 months, and One Thing fortnightly. Most recently, Simple Q&A Diary was updated on November 1, 2026 and One Thing on November 9, 2026.

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