# Device Kit vs Temp Mail

The clearest difference is ads: Device Kit at none against Temp Mail's shown. Device Kit also leads on update cadence (every 10 days vs monthly) and ratings volume (93 vs 21). On price, rating, review sentiment and in-app purchases there is nothing between them.

Both are free to download. Device Kit sells 4 in-app purchases, starting at $3.99 per month and Temp Mail sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Device Kit against 5.0 for Temp Mail. Both are backed by a comparable volume of ratings — 93 and 21 respectively. Written reviews are what separate them: 77% of Device Kit's written reviews are positive against 85% of Temp Mail's.

Device Kit ships an update every 10 days, Temp Mail monthly. The most recent releases landed on October 31, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Device Kit | Temp Mail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (93 ratings)](https://appshunter.io/ios/app/device-kit-phone-temperature/id6761011882/reviews) | **[5.0 (21 ratings)](https://appshunter.io/ios/app/temp-mail-burner-email/id6793336267/reviews)** |
| Number of ratings | **93** | 21 |
| Positive reviews | 77.4% of reviews | **84.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | Freemium | Free with in-app purchases |
| Size | 36 MB | 23 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shuyang Fan Ziyang Software Development Studio (Individually Owned Business)](https://appshunter.io/developer/1879334973) | [Adrian Pompa Pena](https://appshunter.io/developer/1869475074) |

## What reviewers say

### Device Kit

[App page](https://appshunter.io/ios/app/device-kit-phone-temperature/id6761011882)

Monitor your device's hardware performance in real-time with detailed CPU, memory, and battery usage. Access a suite of practical tools including weather, network diagnostics, and sensors. Visualize historical data with customizable charts and home screen widgets.

**Highlights:** Real-time CPU, memory, and battery monitoring, Visual data charts for performance trends, Picture-in-Picture mode for continuous monitoring, Customizable home screen widgets, Pro Toolbox with system, environment, and network tools, Sensor data including compass and barometer

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $3.99 | per month |
| Yearly subscription | $7.99 | per year |
| Lifetime Membership | $12.99 | one-time |
| Lifetime Membership | $14.99 | one-time |


### Temp Mail

[App page](https://appshunter.io/ios/app/temp-mail-burner-email/id6793336267)

Create temporary, receive-only email addresses instantly for online sign-ups and verifications. Protect your real inbox from spam and unwanted messages. Addresses automatically expire to maintain privacy.

**Highlights:** Disposable email addresses, Receive OTP and confirmation emails, One-tap copy address, Auto-expiring inboxes, Local notifications for new mail, Face ID lock for privacy, Pro feature: Inbox recovery

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Yearly | $9.99 | per year |
| Lifetime | $12.99 | one-time |


## Frequently asked questions

### Is Device Kit free?

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

### Is Temp Mail free?

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

### Which has better reviews, Device Kit or Temp Mail?

Temp Mail is rated higher. Device Kit averages 4.9 out of 5 from 93 ratings, while Temp Mail averages 5.0 from 21 ratings.

### Do Device Kit or Temp Mail have ads?

Temp Mail shows ads; Device Kit does not.

### Which is updated more often, Device Kit or Temp Mail?

Device Kit ships an update every 10 days, and Temp Mail monthly. Most recently, Device Kit was updated on October 31, 2026 and Temp Mail on November 2, 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.*