# InstAddr vs Cworth Energy

The clearest difference is in-app purchases: Cworth Energy at none against InstAddr's 2. Cworth Energy also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. InstAddr sells 2 in-app purchases, starting at $1.49 per month. Cworth Energy asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | InstAddr | Cworth Energy |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 46 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aki Ueno](https://appshunter.io/developer/717956926) | [Guangdong Cworth Energy Technology Co.,Ltd.](https://appshunter.io/developer/1896549588) |

## 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


### Cworth Energy

[App page](https://appshunter.io/ios/app/cworth-energy/id6768208064)

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

**In-app purchases:** none


## Frequently asked questions

### Is InstAddr free?

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

### Is Cworth Energy free?

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

### Do InstAddr or Cworth Energy have ads?

InstAddr shows ads; Cworth Energy does not.

### Which is updated more often, InstAddr or Cworth Energy?

InstAddr ships an update monthly, and Cworth Energy monthly. Most recently, InstAddr was updated on November 1, 2026 and Cworth Energy on October 24, 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.*