# 名札交換 vs RenjiCalc

The clearest difference is ads: 名札交換 at none against RenjiCalc's shown. RenjiCalc's advantage is iOS requirement (18.0 vs 26.0). 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.

名札交換 ships an update every 3 weeks, RenjiCalc fortnightly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 名札交換 | RenjiCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 8 MB | 11 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ryoga Tanaka](https://appshunter.io/developer/1480265212) | [ken hasegawa](https://appshunter.io/developer/1487396483) |

## What reviewers say

### 名札交換

[App page](https://appshunter.io/ios/app/id6463661561)

**Features:** Apple Wallet

**In-app purchases:** none


### RenjiCalc

[App page](https://appshunter.io/ios/app/renjicalcmicro-calc-and-timer/id6758229797)

**In-app purchases:** none


## Frequently asked questions

### Is 名札交換 free?

名札交換 is free to download, with no in-app purchases.

### Is RenjiCalc free?

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

### Do 名札交換 or RenjiCalc have ads?

RenjiCalc shows ads; 名札交換 does not.

### Which is updated more often, 名札交換 or RenjiCalc?

名札交換 ships an update every 3 weeks, and RenjiCalc fortnightly. Most recently, 名札交換 was updated on October 24, 2026 and RenjiCalc on October 25, 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.*