# 電卓カスタム：自分だけのこだわりの電卓 vs ReptilesFunction

The clearest difference is in-app purchases: 電卓カスタム：自分だけのこだわりの電卓 at none against ReptilesFunction's 2. 電卓カスタム：自分だけのこだわりの電卓 also leads on update cadence (every 3 days vs every 2 weeks). ReptilesFunction's advantage is iOS requirement (18.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. ReptilesFunction sells 2 in-app purchases, starting at $1.99 per month. 電卓カスタム：自分だけのこだわりの電卓 asks for nothing beyond the download.

電卓カスタム：自分だけのこだわりの電卓 ships an update every 3 days, ReptilesFunction every 2 weeks. The most recent releases landed on November 8, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 電卓カスタム：自分だけのこだわりの電卓 | ReptilesFunction |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Size | 4 MB | 85 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Koya Nambo](https://appshunter.io/developer/1633778504) | [imada katsuki](https://appshunter.io/developer/1756699653) |

## What reviewers say

### 電卓カスタム：自分だけのこだわりの電卓

[App page](https://appshunter.io/ios/app/id1633778502)

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

**In-app purchases:** none


### ReptilesFunction

[App page](https://appshunter.io/ios/app/reptilesfunction-repfun/id6541752715)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReptilesFunction Premium Monthly | $1.99 | per month |
| ReptilesFunction Premium Annual | $17.99 | per year |


## Frequently asked questions

### Is 電卓カスタム：自分だけのこだわりの電卓 free?

電卓カスタム：自分だけのこだわりの電卓 is free to download, with no in-app purchases.

### Is ReptilesFunction free?

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

### Do 電卓カスタム：自分だけのこだわりの電卓 or ReptilesFunction have ads?

Both 電卓カスタム：自分だけのこだわりの電卓 and ReptilesFunction show ads.

### Which is updated more often, 電卓カスタム：自分だけのこだわりの電卓 or ReptilesFunction?

電卓カスタム：自分だけのこだわりの電卓 ships an update every 3 days, and ReptilesFunction every 2 weeks. Most recently, 電卓カスタム：自分だけのこだわりの電卓 was updated on November 8, 2026 and ReptilesFunction on November 4, 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.*