# 手数料電卓in返済くん vs ZeroContact

The clearest difference is ads: ZeroContact at none against 手数料電卓in返済くん's shown. 手数料電卓in返済くん's advantage is iOS requirement (15.0 vs 17.6). On price, update cadence, 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.

手数料電卓in返済くん ships an update every 9 days, ZeroContact every 6 days. The most recent releases landed on November 12, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 手数料電卓in返済くん | ZeroContact |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 6 days** |
| Size | 5 MB | 4 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ichiro tanioka](https://appshunter.io/developer/557079290) | [HIROKI NIIYAMA](https://appshunter.io/developer/1867050101) |

## What reviewers say

### 手数料電卓in返済くん

[App page](https://appshunter.io/ios/app/in/id1624626880)

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

**In-app purchases:** none


### ZeroContact

[App page](https://appshunter.io/ios/app/zerocontact/id6757471357)

**In-app purchases:** none


## Frequently asked questions

### Is 手数料電卓in返済くん free?

手数料電卓in返済くん is free to download, with no in-app purchases.

### Is ZeroContact free?

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

### Do 手数料電卓in返済くん or ZeroContact have ads?

手数料電卓in返済くん shows ads; ZeroContact does not.

### Which is updated more often, 手数料電卓in返済くん or ZeroContact?

手数料電卓in返済くん ships an update every 9 days, and ZeroContact every 6 days. Most recently, 手数料電卓in返済くん was updated on November 12, 2026 and ZeroContact on October 31, 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.*