# SimpleSigma vs 検針アプリ業務

The clearest difference is in-app purchases: 検針アプリ業務 at none against SimpleSigma's 2. 検針アプリ業務 also leads on ads (none vs shown) and iOS requirement (11.0 vs 26.0). On price, update cadence and device support there is nothing between them.

Both are free to download. SimpleSigma sells 2 in-app purchases, starting at $2.99 per month. 検針アプリ業務 asks for nothing beyond the download.

SimpleSigma ships an update every 6 weeks, 検針アプリ業務 every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SimpleSigma | 検針アプリ業務 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 27 MB |
| Requires iOS | 26.0 | **11.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MUTSUAKI KIKUCHI](https://appshunter.io/developer/1874283283) | [Energy Solutions Corporation](https://appshunter.io/developer/1517358694) |

## What reviewers say

### SimpleSigma

[App page](https://appshunter.io/ios/app/simplesigma/id1522264347)

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:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SimpleSigma Pro (Monthly) | $2.99 | per month |
| SimpleSigma Pro (Yearly) | $29.99 | per year |


### 検針アプリ業務

[App page](https://appshunter.io/ios/app/id6446968604)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SimpleSigma free?

SimpleSigma is free to download, with in-app purchases available.

### Is 検針アプリ業務 free?

検針アプリ業務 is free to download, with no in-app purchases.

### Do SimpleSigma or 検針アプリ業務 have ads?

SimpleSigma shows ads; 検針アプリ業務 does not.

### Which is updated more often, SimpleSigma or 検針アプリ業務?

SimpleSigma ships an update every 6 weeks, and 検針アプリ業務 every 2 months. Most recently, SimpleSigma was updated on November 3, 2026 and 検針アプリ業務 on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*