BLNOTE vs SimpleSigma+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BLNOTE
This note-taking app allows extensive customization of themes, fonts, and ruled lines. It offers robust organization features like sorting and auto-save, with keyword search and undo/redo functionality for efficient note management.
- Customizable themes and fonts
- Display ruled lines
- Sort notes by date or alphabet
- Keyword search
- Undo/Redo functionality
- Auto-save and scroll position memory
Read full descriptionHide full description
BLNOTE is a simple note application program as which the theme and the font can be chosen. The ruled line can be displayed. This can manage the note by a favorite background, the font, and the size. Features: 1. The theme can be selected. 2. The font and the fontsize can be specified. 3. Suport custom font. ( It's necessary to install ttf or otf font. ) 4. Ruled Line (There is a limitation in the font designation when multi byte character is used with iOS 4. ) 5. Sort Order(Sort Key: Creation Date、Modification Date、Last Open Date、Alphabetical. Ascending or descending) 6. The scroll position is memorized. 7. Key word search. 8. Undo & Redo. 9. Rotation mode ( Auto, Portrait, Landscape) 10. Auto save mode.
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.
- 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
Read full descriptionHide full description
"SimpleSigma+” 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 ————————- 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. ————————- 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.
Screenshots
Verdict
The clearest difference is review sentiment: SimpleSigma+ at 100% against BLNOTE's 50%. SimpleSigma+ also leads on update cadence (every 3 weeks vs every 3 months). BLNOTE's advantage is price (Free vs $3.99) and device support (3 vs 1). On 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
BLNOTE is free to download; SimpleSigma+ costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
BLNOTE ships an update every 3 months, SimpleSigma+ every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | BLNOTE | SimpleSigma+ |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 3.8 (6 ratings) — better | — |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.1 |
| Further details — not scored | ||
| Size | 4 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | isle inc. | MUTSUAKI KIKUCHI |
Customer experience
BLNOTE
SimpleSigma+
In-app purchases
BLNOTE
No in-app purchases
SimpleSigma+
No in-app purchases









