# InstAddr vs 電卓 履歴が残る計算機

The clearest difference is device support: InstAddr at 3 against 電卓 履歴が残る計算機's 1. InstAddr also leads on iOS requirement (14.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. InstAddr sells 2 in-app purchases, starting at $1.49 per month and 電卓 履歴が残る計算機 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | InstAddr | 電卓 履歴が残る計算機 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (960 ratings)](https://appshunter.io/ios/app/instaddr/id806157957/reviews)** | — |
| Number of ratings | **960** | — |
| Positive reviews | 86.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 34 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aki Ueno](https://appshunter.io/developer/717956926) | [KAZUHIRO ISHIBASHI](https://appshunter.io/developer/1865380440) |

## What reviewers say

### InstAddr

[App page](https://appshunter.io/ios/app/instaddr/id806157957)

Create and manage multiple disposable email addresses for free. Use them for various purposes without worrying about spam or privacy. Addresses are permanent and can be accessed across devices.

**Highlights:** Create unlimited disposable email addresses, Permanent email addresses, Send, reply, and forward emails, Push notifications for new messages, Sync across PC and smartphones, Supports HTML mail and attachments, Built-in mailer functions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan (1 Month) | $1.49 | per month |
| Premium Plan (1 Year) | $7.99 | per year |

**What reviewers like**

- 🚀 Fast and efficient
- 🔒 Secure and private
- 👍 Convenient and easy to use
- 💡 Customizable email addresses
- 👍 Reliable service

**What reviewers complain about**

- 🐛 Connectivity issues and server problems
- 🐛 Inability to receive verification codes
- 🐛 Emails not being delivered
- 🐛 Unreliable performance

**Reported bugs**

- Server connectivity problems
- Inability to receive verification codes
- Emails not being delivered

**Requested features**

- Add more email domain options
- Improve integration with native email apps
- Implement a login system to save email accounts
- Provide better support and communication


### 電卓 履歴が残る計算機

[App page](https://appshunter.io/ios/app/id6802676473)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を消す | $1.99 | one-time |


## Frequently asked questions

### Is InstAddr free?

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

### Is 電卓 履歴が残る計算機 free?

電卓 履歴が残る計算機 is free to download, with in-app purchases available.

### Do InstAddr or 電卓 履歴が残る計算機 have ads?

Both InstAddr and 電卓 履歴が残る計算機 show ads.

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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.*