Comparison

SimpleSigma+ vs Thought Organizer

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

Head to head
About

SimpleSigma+

This app simplifies numerical tabulation with three distinct spreadsheet types for various calculation needs. It offers quick data input, immediate recalculation, and convenient features like CSV import/export and tax settings.

Highlights
  • Three spreadsheet types (Simple, Duplex, Shopping)
  • Quick data input and immediate recalculation
  • Swipeable keyboard for cell navigation
  • Customizable consumption tax settings
  • Save and reuse calculation data
  • CSV data import and export
Features
Read full description

"SimpleSigma+โ€ easily totals numerical values in a table. You don't need to input extra data, so you can quickly input values only and get the calculation result. Its function and characteristics are โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”- 3 types of spreadsheet [Simple] -- Sum of simple numbers [Duplex] -- Enter and calculate the quantity for each value too [Shopping] -- Enter quantity and consumption tax for each value too and calculate Swipe the keyboard to quickly move the active cell. Each time you tap the key, it will be recalculated so you can see the result immediately. Initial setting of consumption tax is possible. Saving and reusing each calculation data. Data import and export in CSV format. โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”- Enjoy the maximum comfort with a simple and easy-to-understand interface. "SimpleSigma +" does not display advertisements. It can be used in full screen. There is also a free version "SimpleSigma" that displays advertisements.

About

Thought Organizer

Features
Read full description

Bring your dreams to life with GridGoal, the ultimate goal-setting app inspired by the proven 9x9 "Mandala Chart" method. Having big dreams is great, but do you often feel stuck wondering, "Where do I start?" GridGoal helps you break down a single "Core Goal" into 8 "Sub-goals," and further decomposes them into 64 "Concrete Actions (ToDos)." By organizing your thoughts step-by-step, your first step for today becomes crystal clear. [Recommended for] Anyone with a big dream or ambition they want to achieve. Students and professionals planning their annual goals. People overwhelmed by disorganized ToDo lists. Visual learners who stay motivated by seeing their progress. [Key Features] โ—† Intuitive Zoom-In/Out UI Dive deeper into your plans by seamlessly zooming into any of the 9x9 grids with a simple tap. โ—† 81-Grid Birdโ€™s Eye View Swap to the full grid mode, beautifully optimized for iPad and large screens, allowing you to overview your entire progress at a single glance. โ—† Visual Motivation Decorate your sub-goals and actions with inspiring images. Ticking off completed tasks gives you visual feedback with checkmarks and real-time progress rates. โ—† Easy Share & Export Share your goal sheets instantly using QR codes, or save them as high-quality images to set as your lock screen wallpaper to keep yourself focused daily. โ—† Deadlines & Notifications Set target dates for each action and receive smart notifications to remind you of your commitments. [GridGoal Premium] Unlock the full potential of your goal-setting journey: No Ads: Clean, distraction-free environment. iCloud Sync: Auto-backup and sync across all your iPhones and iPads. Unlimited Sheets & Categories: Create as many sheets as you need (Free version is limited to 5). CSV Data Export: Backup and manage your data in Excel or other spreadsheets. App Lock: Secure your personal goals using Face ID / Touch ID. Stop wishing and start doing. Turn your dreams into actionable steps today with GridGoal! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SimpleSigma+4 screens
Thought Organizer4 screens

Verdict

The call

The clearest difference is price: Thought Organizer at Free against SimpleSigma+'s $3.99. Thought Organizer also leads on update cadence (every 5 days vs every 3 weeks). SimpleSigma+'s advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Thought Organizer is free to download; SimpleSigma+ costs $3.99 up front. Thought Organizer sells 3 in-app purchases, starting at $1.99 per month. SimpleSigma+ asks for nothing beyond the download.

UpkeepUpdate frequency

SimpleSigma+ ships an update every 3 weeks, Thought Organizer every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard4 real differences ยท 4 level
SimpleSigma+ versus Thought Organizer: the parameters behind the verdict, then further details
ParameterSimpleSigma+Thought Organizer
Price$3.99Free โ€” better
Positive reviews100.0% of reviewsโ€”
Update frequencyEvery 3 weeksEvery 5 days โ€” better
AdsNo โ€” betterYes
In-app purchasesNo โ€” betterYes
MonetizationPaidโ€”
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS17.117.0 โ€” better
Further details โ€” not scored
Size1 MB12 MB
Age rating4+4+
DeveloperMUTSUAKI KIKUCHITakao Sunagawa

In-app purchases

None

SimpleSigma+

No in-app purchases

3 purchases

Thought Organizer

Subscriptions2
  • GoalGrid Premium Monthly$1.991 Month
  • GoalGrid Premium Yearly$5.991 Year
One-time1
  • GoalGrid premium lifetime$9.99

Questions

Is SimpleSigma+ free?
SimpleSigma+ costs $3.99, with no in-app purchases.
Is Thought Organizer free?
Thought Organizer is free to download, with in-app purchases available.
Do SimpleSigma+ or Thought Organizer have ads?
Thought Organizer shows ads; SimpleSigma+ does not.
Which is updated more often, SimpleSigma+ or Thought Organizer?
SimpleSigma+ ships an update every 3 weeks, and Thought Organizer every 5 days. Most recently, SimpleSigma+ was updated on November 3, 2026 and Thought Organizer on October 31, 2026.

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