Comparison

OpenInbox vs 1Time Mail

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

Head to head
About

OpenInbox

Features
Read full description

OpenInbox gives you instant, disposable email addresses to protect your privacy. Sign up for websites, verify accounts, and receive OTP codes — all without exposing your real email. WHY OPENINBOX? Your real email is your digital identity. Every time you hand it to a website, you risk spam, phishing, and data breaches. OpenInbox gives you a private, temporary address you can throw away when you're done. KEY FEATURES - Instant Inbox — Generate a temporary email address in one tap. No sign-up required. - Real-Time Email — Messages arrive instantly with push notifications. Never miss a verification code. - Copy OTP Codes — One-tap copy for verification codes and links. - Multiple Inboxes — Run up to 10 inboxes at the same time (Premium). - Custom Aliases — Choose your own email name and domain (Premium). - Custom Domains — Connect your own domain for branded disposable addresses (Premium). - Email Threading — Conversations are grouped so you can follow multi-step signups. - API & Webhooks — Automate your workflow with a developer-friendly REST API (Premium). - Privacy First — We never read, scan, or sell your email data. No ads, no tracking. FREE PLAN - 1 inbox at a time - 10-min expiry - Full email receiving with push notifications - Copy OTP codes PREMIUM PLANS - Up to unlimited concurrent inboxes - Extended inbox expiry (24 hours to 30 days) - Custom email aliases and domains - Email search, export, and API access - Priority support PERFECT FOR - Signing up for free trials without spam - Verifying accounts on new services - Receiving one-time passwords and confirmation links - Testing email flows if you're a developer - Protecting your identity on forums and marketplaces SUBSCRIPTION INFO - Payment is charged to your Apple ID account at confirmation of purchase. - Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. - Your account will be charged for renewal within 24 hours prior to the end of the current period. - You can manage and cancel subscriptions in your App Store account settings. - Free trial period (if offered) will be forfeited when you purchase a subscription. Privacy Policy: https://openinbox.io/privacy Terms of Use: https://openinbox.io/terms

About

1Time Mail

Protect your personal inbox from spam by generating temporary email addresses. Use these disposable emails for website sign-ups and registrations on untrusted sites.

Highlights
  • Generate temporary email addresses
  • Disposable email service
  • Block spam from personal inbox
  • Use for website sign-ups
  • Secure registrations
Features
Read full description

Stop spam from reaching your personal inbox. Generate a temporary email address with 1Time Mail and use it for website sign-ups, registrations, and other sites you don't fully trust.

Screenshots

OpenInbox4 screens
1Time Mail3 screens

Verdict

The call

The clearest difference is in-app purchases: 1Time Mail at none against OpenInbox's 5. 1Time Mail also leads on ads (none vs shown). OpenInbox's advantage is update cadence (every 5 days vs monthly). On price, device support and iOS requirement 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. OpenInbox sells 5 in-app purchases, starting at $7.99 per month. 1Time Mail asks for nothing beyond the download.

UpkeepUpdate frequency

OpenInbox ships an update every 5 days, 1Time Mail monthly. Both last shipped on October 25, 2026.

Scorecard3 real differences · 6 level
OpenInbox versus 1Time Mail: the parameters behind the verdict, then further details
ParameterOpenInbox1Time Mail
PriceFreeFree
Rating—3.8 (4 ratings) — better
Number of ratings—4 — better
Update frequencyEvery 5 days — betterMonthly
AdsYesNo — better
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size45 MB30 MB
Age rating17+4+
Developermohammad wassfi mahmoud awadValmark LTD

In-app purchases

5 purchases

OpenInbox

Subscriptions4
  • Pro Monthly$7.991 Month
  • Business Monthly$17.991 Month
  • Premium$34.991 Month
Show 1 more
  • Business Yearly$159.001 Year
One-time1
  • 7 Days Pass$1.99
None

1Time Mail

No in-app purchases

Questions

Is OpenInbox free?
OpenInbox is free to download, with in-app purchases available.
Is 1Time Mail free?
1Time Mail is free to download, with no in-app purchases.
Do OpenInbox or 1Time Mail have ads?
OpenInbox shows ads; 1Time Mail does not.
Which is updated more often, OpenInbox or 1Time Mail?
OpenInbox ships an update every 5 days, and 1Time Mail monthly. Most recently, OpenInbox was updated on October 25, 2026 and 1Time Mail on October 25, 2026.

Other comparisons