# Authenticator vs Temp Mail

The clearest difference is rating: Temp Mail at 4.7 against Authenticator's 3.7. Temp Mail also leads on ratings volume (2.5K vs 407) and review sentiment (77% vs 68%). Authenticator's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Temp Mail sells 2 in-app purchases, starting at $9.99 per month. Authenticator asks for nothing beyond the download.

Temp Mail holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Temp Mail has 2.5K ratings behind it against 407, so its average is the more settled of the two. Written reviews point the same way: 68% of Authenticator's written reviews are positive against 77% of Temp Mail's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 22, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Authenticator | Temp Mail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (407 ratings)](https://appshunter.io/ios/app/authenticator/id766157276/reviews) | **[4.7 (2.5K ratings)](https://appshunter.io/ios/app/temp-mail-tmailor/id1659587742/reviews)** |
| Number of ratings | 407 | **2.5K** |
| Positive reviews | 67.6% of reviews | **76.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 49 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Matt Rubin](https://appshunter.io/developer/766157279) | [Minh Nguyen](https://appshunter.io/developer/1659587744) |

## What reviewers say

### Authenticator

[App page](https://appshunter.io/ios/app/authenticator/id766157276)

This app provides a secure and straightforward way to protect your online accounts. It generates one-time passwords that, when combined with your regular password, significantly enhance your account security. The app operates offline, ensuring your sensitive data remains on your device.

**Highlights:** Generates one-time passwords, QR code setup, Encrypted data storage, Time-based and counter-based OTP support, Offline operation

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Simple and easy to use
- 🔒 Secure, no cloud backup
- 👍 Clean and intuitive UI
- 💡 Open-source and transparent

**What reviewers complain about**

- 🐛 Tokens easily deleted by accident
- 🔒 No backup/transfer options for tokens
- 🔒 Locked out when changing devices
- 🐛 Codes not working after app updates

**Reported bugs**

- Blank screen on iOS 26 upgrade
- Codes not working on new devices
- Unable to log in to accounts after token loss

**Requested features**

- Add biometric lock (Touch ID/Face ID)
- Ability to export/backup tokens
- Companion Apple Watch app
- Folder/tag organization for accounts


### Temp Mail

[App page](https://appshunter.io/ios/app/temp-mail-tmailor/id1659587742)

Instantly receive emails without revealing your personal address. Protect your inbox from spam and use disposable emails for registrations and verification codes. Securely manage multiple temporary inboxes and restore them with an access token.

**Highlights:** Instant temporary email address, Multiple temporary inboxes, Restore email with access token, Real-time email notifications, Fast global email delivery, Privacy protection, Anti-tracking protection

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $59.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick email generation
- 🔒 Secure emails
- 💡 Helpful for various use cases

**What reviewers complain about**

- 🐛 Issues with receiving confirmation codes
- 🤬 Too many ads
- 🤬 App not working properly on some devices

**Reported bugs**

- Inability to read received emails
- App crashes or freezes on some devices
- Temporary emails not working as expected

**Requested features**

- Reduce the number of ads
- Improve reliability of confirmation code delivery
- Add premium plan to remove ads


## Frequently asked questions

### Is Authenticator free?

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

### Is Temp Mail free?

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

### Which has better reviews, Authenticator or Temp Mail?

Temp Mail is rated higher. Authenticator averages 3.7 out of 5 from 407 ratings, while Temp Mail averages 4.7 from 2.5K ratings.

### Do Authenticator or Temp Mail have ads?

Temp Mail shows ads; Authenticator does not.

### Which is updated more often, Authenticator or Temp Mail?

Authenticator ships an update every 2 months, and Temp Mail every 2 months. Most recently, Authenticator was updated on September 22, 2026 and Temp Mail on September 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*