Comparison

Outbox vs Adapter™

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

Head to head
About

Outbox

Effortlessly unsubscribe from unwanted emails and delete thousands of junk messages with a few taps. This app helps you reclaim storage space and focus on important communications by decluttering your inbox.

Highlights
  • Swipe to unsubscribe
  • Bulk unsubscribe
  • Delete junk emails
  • Reclaim storage space
  • Subscription sorting
  • Dark mode
Read full description

Outbox: Declutter Your Inbox in Seconds Tired of missing important emails buried under countless newsletters and promotions? Outbox makes unsubscribing from unwanted emails effortless, freeing up your inbox so you can focus on what truly matters. Spend less time scrolling and more time reading the messages that count. WHY OUTBOX? . Addictively Simple: Swipe left to unsubscribe or swipe right to keep. No more searching for hidden “unsubscribe” links. . Instant Cleanups: Delete thousands of junk emails with just a few taps. . One-Click Multi-Unsubscribe: Tired of unsubscribing sender by sender? Outbox allows you to remove multiple senders at once. . Reclaim Storage Space: Track exactly how much storage your emails occupy and free it up instantly. . Peace of Mind: Focus on urgent emails instead of drowning in promotional clutter. . Built for Gmail: Connect securely with your Gmail account for a streamlined, instant setup. . Dark Mode: Clean your inbox anytime with a theme that’s easy on the eyes. FEATURES THAT SAVE YOU TIME . Bulk Unsubscribe Mode: Unsubscribe from multiple senders with a single tap. . Subscription Sorting: Sort by frequency, size, or how often you open emails - so you can tackle the worst offenders first. . One-Tap Cleanup: Choose to unsubscribe, delete, or mark messages as read - all in one place. . Undo Swipes: Accidentally swipe the wrong way? No problem - easily undo for 24 hours. PRIVACY- FOCUSED Your data and email content are safe with us. Outbox never stores the content of your emails or sells your data. We only use minimal inbox information - like sender addresses and unsubscribe links—to provide essential details and ensure a secure, seamless experience. BETTER THAN COMPETITORS Other apps like Trimbox and Unroll.me can be clunky and complex. Outbox keeps it simple, with a clean interface in both light and dark modes - no extra gimmicks, no clutter, just results. Achieving inbox zero has never been so straightforward. TAKE BACK CONTROL OF YOUR INBOX Stop letting unwanted emails bury the ones that matter. Thousands have already rescued their inboxes from subscription overload - be next. Download Outbox now and experience true email freedom! By using Outbox, you agree to our terms of service, as outlined by standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Adapter™

This app acts as an intelligent conductor for your digital life, transforming personal data into a seamless experience. It proactively filters distractions, anticipates needs, and highlights what matters most, maximizing your time away from screens.

Highlights
  • Filters life's scattered data
  • Manages schedules and preferences
  • Integrates with daily apps
  • Builds secure knowledge of preferences
  • Archives important information
  • Delivers proactive reminders
Features
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Adapter—Your World, Adapted to You. Adapter is your autonomous conductor, orchestrating the technology in your daily life. It transforms your personal data into a seamless symphony, eliminating overwhelming chaos and maximizing your time away from screens. A groundbreaking tool in personalized and collaborative technology, Adapter proactively filters distractions and anticipates your needs while highlighting what matters most. Finally, personal computing done right—seriously. Starting small with a bold vision, Adapter is committed to growing with you. We craft powerful, delightful, proactive, and ambient tools for people like you. Your personal Adapter continuously finds the perfect balance of usefulness while prioritizing your freedom. People are not our products. If Adapter fails to bring you delight, save you time, or spark a serendipitous moment, we don't deserve to stay in business. Features: - LIFE RADAR: Shields your attention by sifting through life's scattered data, ensuring nothing important slips through the cracks while cutting out all the excess noise. - SEAMLESS COORDINATION: Effortlessly manages your schedule, preferences, and friends' plans to deliver the most useful outcomes. - AVAILABLE WHERE YOU ARE: Integrates into your daily apps—iMessage, WhatsApp, or our web app—liberating you from screen time. - TRUSTED UNDERSTANDING: Builds a secure, real knowledge of your preferences through conversations and data from tools like email, mobile messaging and calendar. - BOUNDLESS MEMORY: Archives what matters, reflecting relevant details at the perfect moment for epic wins. - REMINDERS THAT WORK: Proactively delivers timely information behind the scenes, keeping you focused on life. Google Account Requirement: Adapter requires connecting to your Google account to provide our services. It All Starts With Trust Adapter transforms your personal data from emails, calendars, and social accounts into actionable knowledge. Built by a team with decades of experience building for and defending regulated enterprises with the highest grade security and privacy architectures. - You decide what data we access and use. - Your information serves you, not the other way around. - We never sell your data. - Privacy is engineered in our core from the ground up. Try Adapter for Free and put Adapter to work for you.

Screenshots

Outbox4 screens
Adapter™4 screens

Verdict

The call

The clearest difference is in-app purchases: Adapter™ at none against Outbox's 2. Adapter™ also leads on update cadence (every 5 days vs fortnightly). Outbox's advantage is ratings volume (11 vs 3). On price, rating, review sentiment and ads 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. Outbox sells 2 in-app purchases, starting at $12.99 per month. Adapter™ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Outbox against 5.0 for Adapter™. Both are backed by a comparable volume of ratings — 11 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Outbox ships an update fortnightly, Adapter™ every 5 days. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 6 level
Outbox versus Adapter™: the parameters behind the verdict, then further details
ParameterOutboxAdapter™
PriceFreeFree
Rating4.9 (11 ratings)5.0 (3 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings11 — better3
Update frequencyFortnightlyEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhoneiPhone, iPad — better
Requires iOS17.617.6
Further details — not scored
Size42 MB33 MB
Age rating4+4+
DeveloperOutbox LLCAdapter

Customer experience

Outbox

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Adapter™

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Outbox

Subscriptions2
  • Monthly $12.99$12.991 Month
  • Outbox - Gmail Inbox Cleaner$39.991 Year
None

Adapter™

No in-app purchases

Questions

Is Outbox free?
Outbox is free to download, with in-app purchases available.
Is Adapter™ free?
Adapter™ is free to download, with no in-app purchases.
Which has better reviews, Outbox or Adapter™?
Adapter™ is rated higher. Outbox averages 4.9 out of 5 from 11 ratings, while Adapter™ averages 5.0 from 3 ratings.
Do Outbox or Adapter™ have ads?
Neither Outbox nor Adapter™ shows ads.
Which is updated more often, Outbox or Adapter™?
Outbox ships an update fortnightly, and Adapter™ every 5 days. Most recently, Outbox was updated on October 24, 2026 and Adapter™ on October 12, 2026.

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