# 簡易デコメ vs SwiftSum

The clearest difference is review sentiment: 簡易デコメ at 100% against SwiftSum's 82%. 簡易デコメ also leads on iOS requirement (11.0 vs 15.0). SwiftSum's advantage is update cadence (monthly vs every 3 months). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

簡易デコメ ships an update every 3 months, SwiftSum monthly. The most recent releases landed on November 4, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 簡易デコメ | SwiftSum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (67 ratings)](https://appshunter.io/ios/app/swiftsum-simple-calculator/id1610829871/reviews)** |
| Number of ratings | — | **67** |
| Positive reviews | **100.0% of reviews** | 82.1% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Ad-supported |
| Size | 18 MB | 28 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Silver Soft](https://appshunter.io/developer/554369138) | [APPS BAY LIMITED](https://appshunter.io/developer/1599035519) |

## What reviewers say

### 簡易デコメ

[App page](https://appshunter.io/ios/app/id554369135)

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

**In-app purchases:** none


### SwiftSum

[App page](https://appshunter.io/ios/app/swiftsum-simple-calculator/id1610829871)

This app provides a user-friendly interface for performing basic mathematical operations quickly and accurately. It's designed for anyone needing a reliable tool for everyday calculations, from students to professionals.

**Highlights:** Basic operations (add, subtract, multiply, divide), User-friendly interface, Rapid calculation results, Versatile for students and professionals, Portable and accessible on mobile devices

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

**In-app purchases:** none


## Frequently asked questions

### Is 簡易デコメ free?

簡易デコメ is free to download, with no in-app purchases.

### Is SwiftSum free?

SwiftSum is free to download, with no in-app purchases.

### Do 簡易デコメ or SwiftSum have ads?

Both 簡易デコメ and SwiftSum show ads.

### Which is updated more often, 簡易デコメ or SwiftSum?

簡易デコメ ships an update every 3 months, and SwiftSum monthly. Most recently, 簡易デコメ was updated on November 4, 2026 and SwiftSum on November 7, 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.*