# Temp Mail | Temporary Email vs K9 Smart Rings

The clearest difference is in-app purchases: K9 Smart Rings at none against Temp Mail | Temporary Email's 2. K9 Smart Rings also leads on update cadence (every 4 days vs every 10 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Temp Mail | Temporary Email sells 2 in-app purchases, starting at $0.99 per 7 days. K9 Smart Rings asks for nothing beyond the download.

Temp Mail | Temporary Email ships an update every 10 days, K9 Smart Rings every 4 days. The most recent releases landed on October 28, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Temp Mail | Temporary Email | K9 Smart Rings |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/temp-mail-temporary-email/id6759974860/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 35 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Abirame Ganeshamoorthy](https://appshunter.io/developer/1882050331) | [Simon Prins ACT](https://appshunter.io/developer/1891966426) |

## What reviewers say

### Temp Mail | Temporary Email

[App page](https://appshunter.io/ios/app/temp-mail-temporary-email/id6759974860)

Instantly create disposable email addresses to sign up for services and receive verification codes without revealing your personal inbox. Protect your privacy with quick, secure, and anonymous email access.

**Highlights:** Instant disposable email addresses, No registration required, Privacy protection, Create multiple random emails, Customize email addresses, View and delete emails, Clickable links within emails

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-Day Access | $0.99 | per 7 days |
| Monthly Subscription | $1.99 | per month |


### K9 Smart Rings

[App page](https://appshunter.io/ios/app/k9-smart-rings/id6762005957)

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

**In-app purchases:** none


## Frequently asked questions

### Is Temp Mail | Temporary Email free?

Temp Mail | Temporary Email is free to download, with in-app purchases available.

### Is K9 Smart Rings free?

K9 Smart Rings is free to download, with no in-app purchases.

### Do Temp Mail | Temporary Email or K9 Smart Rings have ads?

Neither Temp Mail | Temporary Email nor K9 Smart Rings shows ads.

### Which is updated more often, Temp Mail | Temporary Email or K9 Smart Rings?

Temp Mail | Temporary Email ships an update every 10 days, and K9 Smart Rings every 4 days. Most recently, Temp Mail | Temporary Email was updated on October 28, 2026 and K9 Smart Rings on October 7, 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.*