# 送料計算/利益計算アプリ MerCalc vs Graffer電子署名アプリ

The clearest difference is ads: Graffer電子署名アプリ at none against 送料計算/利益計算アプリ MerCalc's shown. Graffer電子署名アプリ also leads on monetization model (free vs free with in-app purchases) and update cadence (every 5 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

送料計算/利益計算アプリ MerCalc ships an update every 2 months, Graffer電子署名アプリ every 5 weeks. The most recent releases landed on October 13, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | 送料計算/利益計算アプリ MerCalc | Graffer電子署名アプリ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.1 (173 ratings)](https://appshunter.io/ios/app/graffer/id1484937227/reviews)** |
| Number of ratings | — | **173** |
| Positive reviews | 79.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 14 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yasufumi Morita](https://appshunter.io/developer/1241372280) | [Graffer, Inc.](https://appshunter.io/developer/1484937226) |

## What reviewers say

### 送料計算/利益計算アプリ MerCalc

[App page](https://appshunter.io/ios/app/mercalc/id1241372281)

This app helps users find the cheapest shipping options for various platforms and carriers. It also calculates profit margins, factoring in sales price, fees, shipping costs, and original cost, to prevent losses. Users can share shipping calculations and track packages.

**Highlights:** Compare shipping costs from 11 carriers, Calculate profit and profit margin, Suggest cheaper shipping services, Supports cash-on-delivery shipping, Share shipping results, Track packages, Save shipping history

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

**In-app purchases:** none


### Graffer電子署名アプリ

[App page](https://appshunter.io/ios/app/graffer/id1484937227)

This app facilitates secure digital signatures using your My Number Card for online government services. It guides you through the process of verifying your identity and completing digital signatures without storing personal information on your device.

**Highlights:** Digital signature with My Number Card, Identity verification, Secure online government applications, No personal data stored in app, NFC/Felica compatible

**In-app purchases:** none


## Frequently asked questions

### Is 送料計算/利益計算アプリ MerCalc free?

送料計算/利益計算アプリ MerCalc is free to download, with no in-app purchases.

### Is Graffer電子署名アプリ free?

Graffer電子署名アプリ is free to download, with no in-app purchases.

### Do 送料計算/利益計算アプリ MerCalc or Graffer電子署名アプリ have ads?

送料計算/利益計算アプリ MerCalc shows ads; Graffer電子署名アプリ does not.

### Which is updated more often, 送料計算/利益計算アプリ MerCalc or Graffer電子署名アプリ?

送料計算/利益計算アプリ MerCalc ships an update every 2 months, and Graffer電子署名アプリ every 5 weeks. Most recently, 送料計算/利益計算アプリ MerCalc was updated on October 13, 2026 and Graffer電子署名アプリ on August 21, 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.*