Comparison

Breathe Tech vs Mementia

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

Head to head
About

Breathe Tech

Monitor your indoor air quality in real-time with this companion app. Gain insights into your environment, track changes, and receive tips to improve your living space's air for better well-being.

Highlights
  • Real-time air quality insights
  • Indoor environment monitoring
  • Track air quality fluctuations
  • Tips to enhance living space well-being
  • Companion to Breathe Airmonitor Plus
Features
Read full description

Breathe Tech is the companion app for BREATHE Airmonitor Plus, giving you real-time insight into the air you breathe at home, work, school, or anywhere indoors. View live and historical air quality data directly from your smartphone, helping you identify hidden air quality issues, understand trends over time, and make informed decisions to create a healthier indoor environment. Monitor key air quality metrics including: - Carbon Dioxide (CO₂) - PM1, PM2.5 & PM10 Particulate Matter - Total Volatile Organic Compounds (TVOC) - Formaldehyde (HCHO) - Temperature - Humidity Key Features - Real-time air quality monitoring - Live dashboard with easy-to-read sensor data - Historical graphs with dynamic scaling for improved clarity - Free 90-day cloud data storage - Multi-day data export for analysis and reporting - Custom alerts for important air quality events - Support for multiple Airmonitor Plus devices under one account - Secure cloud synchronisation so your data is available wherever you are Whether you're improving your home's air quality, monitoring a workplace, tracking allergens and wildfire smoke, or simply wanting to understand what you're breathing, the Breathe Tech app provides the data you need in a simple, intuitive interface. Take control of your indoor environment with Breathe Tech and breathe with confidence.

About

Mementia

Features
Read full description

A warm, private home for the people, places, and afternoons of one life. Mementia is part journal, part scrapbook. Write down today, press in a photo, set the vibe, and keep a codex of everything that matters to you. No Mementia account. No sign-up. It opens to a blank page and waits for you. THREE WAYS TO KEEP YOUR WORLD - Scrapbook: photo stories, paper layers and colourful tape. Free for everyone. - Diary: fountain-pen writing, ivory pages and little keepsakes, with photos you can swipe through. With Mementia+. - Stickers: bold colour, playful stickers and a world of your own. With Mementia+. Each theme has its own pages, share cards and matching app icon, all over the same private codex. Switch themes and your memories stay where they are. THE FREE JOURNAL - Write journal entries with photos and a vibe meter for how the day felt - Speak instead of type with voice-to-text, processed on your device where it supports it - Build a starter codex of up to 10 entries each for the people, places, days, moments, and things you want to remember - Search everything in one place, and share a memory as a card that matches your theme - No ads and no tracking MEMENTIA+ Upgrade when you want more room and deeper connections: - Unlock the Diary and Stickers themes - An unlimited codex, with no cap on any kind of memory - @mentions that link your stories: tap a name to revisit its page, with links that follow every rename - Opt-in encrypted backup and sync through your own iCloud or Google Drive Restoring a backup is free on any device. PRIVATE BY DESIGN Your journal and codex are kept on your device, and Mementia keeps its own copy of the photos you add, so you can delete them from your camera roll and still keep them here. Mementia runs no content servers and cannot see your entries. Backup and sync are encrypted on your device before upload to your own iCloud or Google Drive, so Mementia cannot read them. Subscriptions are validated by RevenueCat using an anonymous app user id. Anonymous feedback and early-testing requests are optional and send only what you type. Details are in the privacy policy. A quiet place to keep your one life, and to find it again later. Mementia+ is an auto-renewing subscription, offered monthly, every 6 months, or yearly, with a 30-day free trial for eligible new subscribers. In the United States it is $0.99 per month, $4.99 every 6 months, or $9.99 per year; the app shows the price for your region before you subscribe. Payment is charged to your App Store account at confirmation of purchase. It renews automatically unless cancelled at least 24 hours before the period ends. Manage or cancel in your App Store account settings. Privacy policy: https://mementia.cyberflux.in/privacy Terms of use: https://mementia.cyberflux.in/terms

Screenshots

Breathe Tech4 screens
Mementia4 screens

Verdict

The call

The clearest difference is in-app purchases: Breathe Tech at none against Mementia's 3. Mementia's advantage is update cadence (every 2 days vs every 8 months). On price, ads, 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. Mementia sells 3 in-app purchases, starting at $1.49 per month. Breathe Tech asks for nothing beyond the download.

UpkeepUpdate frequency

Breathe Tech ships an update every 8 months, Mementia every 2 days. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 8 level
Breathe Tech versus Mementia: the parameters behind the verdict, then further details
ParameterBreathe TechMementia
PriceFreeFree
Rating3.0 (9 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings9 — better—
Update frequencyEvery 8 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size204 MB106 MB
Age rating4+4+
DeveloperBreathe Tech LtdCyberflux Enterprises Private Limited

In-app purchases

None

Breathe Tech

No in-app purchases

3 purchases

Mementia

Subscriptions3
  • Mementia+1 Month trial$1.491 Month
  • Mementia+1 Month trial$8.496 Months
  • Mementia+1 Month trial$15.991 Year

Questions

Is Breathe Tech free?
Breathe Tech is free to download, with no in-app purchases.
Is Mementia free?
Mementia is free to download, with in-app purchases available.
Do Breathe Tech or Mementia have ads?
Neither Breathe Tech nor Mementia shows ads.
Which is updated more often, Breathe Tech or Mementia?
Breathe Tech ships an update every 8 months, and Mementia every 2 days. Most recently, Breathe Tech was updated on October 21, 2026 and Mementia on October 7, 2026.

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