Comparison

Authenticator vs Temp Mail

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Authenticator

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
Read full description

Authenticator is a simple, free, and open source two-factor authentication app. It helps keep your online accounts secure by generating unique one-time passwords, which you use in combination with your other passwords to log into supporting websites. The simple combination of the password in your head and the rotating passwords generated by the app make it much harder for anyone but you to access your accounts. • Easy: Simple setup via QR code, "otpauth://" URL, or manual entry • Secure: All data is stored in encrypted form on the iOS keychain • Compatible: Full support for time-based and counter-based one-time passwords as standardized in RFC 4226 and 6238 • Off the Grid: The app never connects to the internet, and your secret keys never leave your device.

About

Temp Mail

Instantly generate a disposable temporary email address to receive emails and attachments without revealing your real inbox. Keep your personal email secure from spam, phishing, and unwanted mailings. Emails are automatically deleted after a set period.

Highlights
  • Instant disposable email generation
  • Receive emails and attachments
  • Hide from spam and phishing
  • No registration required
  • Automatic email deletion
  • Push notifications for new emails
Features
Read full description

Using Temp-Mail app, you can instantly generate disposable temporary email address and immediately receive emails, including photos or any other attachments. Forget about revealing your real email to everyone. It causes endless spam, advertising mailings, email hacking, and phishing attempts. Keep your real inbox clean and secure. Temp Mail provides a temporary, anonymous, free, disposable email address in 10minute mail style. This app is an advanced version of services also known as 10minutemail, disposable-mail, fake email, guerrillamail, mailinator, getairmail,mohmal mail, throwawaymail, tempmail, tempail, anonymous-mail, spambox, tmail, burnermail, trashmail, 20minute email, and others. But much more robust and with an option to unlock unique premium features. Why use Temp-Mail? ● Hide yourself from spam ● No registration is required ● Generate temporary disposable email ● Protect your privacy and anonymity by not allowing spam in your personal inbox ● Receive multiple or single attachment(s) which can be downloaded from email ● Multi-language ● Emails are constantly being securely deleted forever With Temp-Mail app, you can : ● Generate a new email address instantly ● Copy to clipboard or using QR-code ● Receive emails and attachments automatically ● Get push notification of new emails ● Read incoming emails, including attachments ● Download sources (EML), including attachments ● Quickly delete and/or generate new email addresses Access Extra features with Premium : ● Custom email names ● Multiple mailboxes ● In-app emails view ● Premium domains ● Extended email storage ● Premium support ● No ads If you choose to purchase Temp-Mail Premium, payment will be charged to your iTunes account, and your account will be charged for renewal within 24-hours prior to the end of the current period. Auto-renewal may be turned off at any time by going to your settings in the iTunes Store after purchase. Premium subscription prices can depend on user country, you can see exact terms and prices clearly on purchase screen. Any unused portion of a free trial period will be forfeited when you purchase a subscription. All personal data are kept according to privacy policy, terms of service and available here: https://temp-mail.org/privacy-policy-app https://temp-mail.org/terms-of-service-app Temp-Mail in the press: Our service was mentioned a lot in various publications, youtube videos and social media posts. "Dealing with spam flooding your inbox can be stressful, and you have better things to do than go through and delete them." - Entrepreneur.com "It’s a great way of maintaining some anonymity and keeping your main email free from phishers, scammers, and dodgy data buyers." - TheNextWeb.com "The iOS app gives you a temporary e-mail address so that your 'real' inbox stays clean. This makes it an ideal solution for dealing with newsletters, bots and questionable websites"- Iphoned.nl "However, the more secure method is to take advantage of the Temp Email app. With this app, it will generate a temporary email address that isn't associated with you or your personal information. With this app, you will receive any emails sent to this email address such as any account verifications or confirmation codes." - Gadgethacks.com --- Please note: You cannot send email using this app, only receive. Moreover, our free service handling a couple millions emails per hour. Therefore, we are not able to store emails more than 1-2 hours and the domains may be the subject for change. Do not use temporary emails for registering important accounts or receiving sensitive data. We have no ability to restore emails or domains once removed. Please send us any suggestions or inquiries to : support@temp-mail.org

Screenshots

Authenticator3 screens
Temp Mail4 screens

Verdict

The call

The clearest difference is rating: Temp Mail at 4.7 against Authenticator's 3.7. Temp Mail also leads on ratings volume (20K vs 407). Authenticator's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Temp Mail sells 6 in-app purchases, starting at $2.99 per 7 days. Authenticator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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 20K ratings behind it against 407, so its average is the more settled of the two. Written reviews complicate that: 68% of Authenticator's written reviews are positive against 47% of Temp Mail's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 22, 2026 and September 28, 2026 respectively.

Scorecard7 real differences · 3 level
Authenticator versus Temp Mail: the parameters behind the verdict, then further details
ParameterAuthenticatorTemp Mail
PriceFreeFree
Rating3.7 (407 ratings)4.7 (20K ratings) — better
Positive reviews67.6% of reviews — better46.8% of reviews
Number of ratings40720K — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS9.0 — better17.4
Further details — not scored
Size16 MB37 MB
Age rating4+4+
DeveloperMatt RubinPrivatix LTD

Customer experience

Authenticator

All ratings407 ratings
Positive66.1%
Neutral6.6%
Negative27.3%
Written reviews293 reviews
Positive67.6%
Neutral6.1%
Negative26.3%

Temp Mail

All ratings20,152 ratings
Positive91.2%
Neutral3.4%
Negative5.4%
Written reviews444 reviews
Positive46.8%
Neutral5.4%
Negative47.7%

User reviews

Authenticator

From 407 App Store ratings

What we love

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

Room to improve

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

Temp Mail

From 20K App Store ratings

What we love

  • 🚀 Extremely helpful
  • 👍 Well-developed app
  • 🔒 Secure and private
  • 💡 Useful for creating temporary emails

Room to improve

  • 🔍 Excessive ads and paywalls
  • 🐛 Bugs and technical issues
  • 💰 Overpriced subscription
  • 🔒 Privacy concerns

Bugs and requests

Authenticator

Reported bugs

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

Requested features

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

Temp Mail

Reported bugs

4 issues
  • Unexpected format errors
  • Inability to receive verification codes
  • Disappearing email addresses
  • Login and subscription issues

Requested features

3 requests
  • Option to keep email addresses for longer duration
  • Ability to use own email domain
  • Improved inbox management

In-app purchases

None

Authenticator

No in-app purchases

6 purchases

Temp Mail

Subscriptions6
  • One week Premium$2.997 Days
  • One month Premium$7.991 Month
  • One month Premium with trial3 Days trial$7.991 Month
Show 3 more
  • Three months Premium$19.993 Months
  • Premium for 6 months$35.996 Months
  • One year Premium$58.991 Year

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 20K 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 28, 2026.

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