Comparison

SimpleSigma vs CellNotes

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

Head to head
About

SimpleSigma

This app offers a versatile calculator with three distinct table types for various needs, from simple sums to complex quantity-based calculations. It features intuitive input, auto-saving, and CSV export. An optional Pro version removes ads, unlocks unlimited tables, and adds advanced statistics and OCR receipt scanning.

Highlights
  • Three distinct table types (Simple, Duplex, Shopping)
  • Auto-totaling and quick sum calculations
  • Swipe keyboard for cell navigation
  • CSV data export
  • Auto-save functionality
  • Optional Pro version with advanced features
Features
Read full description

■ About SimpleSigma A simple and powerful calculator app for everyday use. From shopping calculations to business tallies, SimpleSigma handles it all. Choose from 3 table types to match your needs. ■ Key Features Simple Table - Extremely simple input - Auto-totaling as you type - Quick sum calculation - Perfect for receipt scanning (Pro - Beta) Duplex Table - Multiply two values automatically - Great for area or unit price calculations - Subtotal display Shopping Table - Price x Quantity = automatic calculation - Custom tax rates - Subtotals at a glance Common Features for All Tables - Swipe keyboard up/down/left/right to move between cells - CSV export - Auto-save ■ Pro Version Benefits Upgrade to SimpleSigma Pro for more power: No Ads Work distraction-free Unlimited Tables Create as many tables as you need (Free: 3 max) Advanced Statistics - Period-based totals (Today, Week, Month, Year) - Daily trend charts - Type breakdown pie charts - Total, Average, Max, Min at a glance - CSV export AppleWatch supported - Simple Table, Sharing with iPhone Receipt OCR (Beta) - Scan receipts with camera - Auto-recognize total amounts - Best suited for Simple Table - Save time on manual entry Starting at $2.99/month Save more with yearly plan! ■ Perfect For - Quick shopping calculations - Business expense tracking - Visualizing spending patterns - Managing multiple projects separately - Ad-free focus ■ Highlights - Extremely simple input design - Swipe keyboard (up/down/left/right) for fast cell navigation - Native iOS interface - Auto-save results - CSV export for data portability - Japanese & English support ■ Free Version Includes - All 3 table types - Up to 3 tables - Core calculation features - Keyboard swipe navigation - CSV export ■ Privacy - All data stored locally on device - No external server uploads - Secure iOS backup ■ Support Questions or feedback? Contact us: applicast3@gmail.com Make calculations smarter with SimpleSigma. Download now and try Pro for full features! Terms of Service: https://gist.github.com/zekoo2026/892cbcbb08ec7a1ce6e54e370acf2b51 Privacy Policy: https://gist.github.com/zekoo2026/12756689700e4afa4c9295cc4e0ba244

About

CellNotes

Features
Read full description

メモみたいに軽い、シンプルなスプレッドシート。 CellNotes は「表は欲しいけど、本格的な表計算アプリは大げさ」を解決します。 メモアプリのように軽く開けて、ちょっとした集計までこなせます。 家計簿、買い物リスト、点数の記録、出張費の概算。 「表でメモを取りたい」その場面の、第一選択へ。 ■ できること ・表形式のノートをすぐ作成・編集 ・列ごとに型を設定(テキスト/数値/計算) ・数値列の合計、列同士の計算式 ・行のチェックで消し込み(タスクモード) ・アーカイブと復元(うっかり削除を防ぐ論理削除) ■ CellNotes が「やらない」こと 軽さを守るために、あえて持たない機能があります。 ・多人数での共有・同時編集はしません(個人ツールに特化) ・VLOOKUP や IF などの複雑な関数はありません(合計・平均などの基本集計のみ) ・シート切り替えやセル参照式はありません(1ノート=1つの表) ■ データはすべて端末の中 通信は行いません。あなたのノートは端末内にだけ保存されます。 アカウント登録も不要。開いてすぐ書けます。 ```

Screenshots

SimpleSigma4 screens
CellNotes4 screens

Verdict

The call

The clearest difference is in-app purchases: CellNotes at none against SimpleSigma's 2. CellNotes also leads on ads (none vs shown) and iOS requirement (15.1 vs 26.0). On price, update cadence 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. SimpleSigma sells 2 in-app purchases, starting at $2.99 per month. CellNotes asks for nothing beyond the download.

UpkeepUpdate frequency

SimpleSigma ships an update every 6 weeks, CellNotes every 3 weeks. Both last shipped on October 7, 2026.

Scorecard3 real differences · 5 level
SimpleSigma versus CellNotes: the parameters behind the verdict, then further details
ParameterSimpleSigmaCellNotes
PriceFreeFree
Positive reviews66.7% of reviews—
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, Apple WatchiPhone, iPad, iPod — better
Requires iOS26.015.1 — better
Further details — not scored
Size7 MB31 MB
Age rating4+4+
DeveloperMUTSUAKI KIKUCHITakafumi Terasaki

In-app purchases

2 purchases

SimpleSigma

Subscriptions2
  • SimpleSigma Pro (Monthly)$2.991 Month
  • SimpleSigma Pro (Yearly)$29.991 Year
None

CellNotes

No in-app purchases

Questions

Is SimpleSigma free?
SimpleSigma is free to download, with in-app purchases available.
Is CellNotes free?
CellNotes is free to download, with no in-app purchases.
Do SimpleSigma or CellNotes have ads?
SimpleSigma shows ads; CellNotes does not.
Which is updated more often, SimpleSigma or CellNotes?
SimpleSigma ships an update every 6 weeks, and CellNotes every 3 weeks. Most recently, SimpleSigma was updated on October 7, 2026 and CellNotes on October 7, 2026.

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