Comparison

Mental Note ๛ vs Who's Available?

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

Head to head
About

Mental Note ๛

This app offers a versatile digital notepad experience, allowing users to combine text, photos, voice recordings, and drawings on a single page. Capture ideas in any format, organize them with tags, and share them easily.

Highlights
  • Combine text, photos, audio, and drawings
  • Finger drawing with multiple colors
  • Add photos from album or camera
  • Record audio while editing notes
  • Organize notes with tags
  • Password protect private notes
  • Export notes in various formats (PDF, text)
Read full description

"...a true notepad experience that may help you make a clean break from the pencil-and-paper era." -New York Times. Users describe Mental Note as "the only notepad app... that's actually better than, and as simple as, a pen and paper." It's "the future of note taking", and "a big sketchpad... [to] free associate and put stuff down in any format". Turn your iPhone into a digital notepad. Combine photographs, voice recordings, drawings and text - all on the same page, in any order you choose. An idea... a flash - a moment of genius. When a thought hits, and you have to remember it, why limit how you record it? The more context and sensory details you can capture, the clearer the idea can be put down. Use photographs, audio, sketching and text together on the same page... a digital page that can be shared with anyone. Mental Note allows you to capture ideas as they happen: use photographs, dictate, add text, sketch on anything. Ideas clarified. Creativity captured. FEATURES - Draw with your finger using multiple colours and widths on top of photographs, text, or anywhere else on the page. Zoom in to sketch fine details. - Take a photo or choose one from your album and add it to the page. - Add audio to the page by recording with your microphone. Continue to edit your note while recording. - Organize your notes using tags. - Password protect your private notes and flag your important ones. - Attach Calendar events to your notes. - Undo, redo anything in the note by shaking the device. - Delete note sections using the toolbar button or by swiping any note section. - Move a note section by swiping and then dragging it to its new location. - Length of a note is limited only by device memory. - Export in a variety of formats including PDF, text, Mental Note format, and more. Send using email, iCloud, Dropbox, and more. * Send a note in Mental Note format so the note may be imported into another person's Mental Note app. * Using email, export a complete note directly from Mental Note as either a PDF document or a picture (each audio recording is attached to the email as a separate file). You can also email just the text from your note. - Export your notes and backups to your iCloud and/or Dropbox account. - Share a note with your friends using most installed apps. - Map the location a note was created at (if location services are enabled). - Change the size and font of the text in your notes. - Change the color and background of your notes. - Numerous other configuration options. THIS VERSION IS OPTIMIZED FOR iPhone. FOR iPad, PLEASE SEE Mental Note for iPad. Read more: www.zymbiotic.com X @zymbiotic facebook.com/zymbiotic

About

Who's Available?

This app lets you easily share your availability status with friends and family. Securely update your status via the app, widget, or Apple Watch, and see theirs in return. No registration or login is required, and your data remains private.

Highlights
  • Share availability status
  • iCloud Shared Database integration
  • Today widget support
  • Apple Watch app
  • iMessage app integration
  • No registration required
  • Developer cannot access data
Read full description

Ever want to know if your friend is available or not before you call or text? Now you have the tool. Who's Available allows iPhone users to share availability status securely through iCloud Shared Database. You can invite friends who can see your status, set your status in-app, in the Today widget, or on your Apple Watch. Your friends can see your status in-app or in the iMessage app! - No registration / log-in needed - The developer cannot see your data. Your data is stored in iCloud

Screenshots

Mental Note ๛4 screens
Who's Available?3 screens

Verdict

The call

The clearest difference is price: Who's Available? at Free against Mental Note ๛'s $4.99. Who's Available? also leads on in-app purchases (none vs 3) and update cadence (every 2 days vs every 5 months). Mental Note ๛'s advantage is rating (4.0 vs 3.7) and review sentiment (63% vs 50%). On ads 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

Who's Available? is free to download; Mental Note ๛ costs $4.99 up front. Mental Note ๛ sells 3 one-off in-app purchases. Who's Available? asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Mental Note ๛ holds the better App Store score, 4.0 against 3.7. That said, the two scores are not equally well evidenced: Mental Note ๛ has 15 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 63% of Mental Note ๛'s written reviews are positive against 50% of Who's Available?'s.

UpkeepUpdate frequency

Mental Note ๛ ships an update every 5 months, Who's Available? every 2 days. The most recent releases landed on October 13, 2026 and September 29, 2026 respectively.

Scorecard8 real differences · 2 level
Mental Note ๛ versus Who's Available?: the parameters behind the verdict, then further details
ParameterMental Note ๛Who's Available?
Price$4.99Free — better
Rating4.0 (15 ratings) — better3.7 (3 ratings)
Positive reviews63.2% of reviews — better50.0% of reviews
Number of ratings15 — better3
Update frequencyEvery 5 monthsEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad, iPod, Mac, Apple Watch — better
Requires iOS13.013.0
Further details — not scored
Size10 MB2 MB
Age rating4+4+
DeveloperZymbiotic TechnologiesShunzhe Ma

Customer experience

Mental Note ๛

All ratings15 ratings
Positive73.3%
Neutral6.7%
Negative20.0%
Written reviews201 reviews
Positive63.2%
Neutral17.9%
Negative18.9%

Who's Available?

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Bugs and requests

Mental Note ๛

Reported bugs

4 issues
  • Notes sometimes disappear or get deleted unexpectedly
  • Audio recording feature not working properly
  • Keyboard issues causing loss of typed text
  • Location services not accurately detecting user's location

Requested features

6 requests
  • Add iCloud or Dropbox sync
  • Implement copy/paste and text formatting options
  • Improve drawing tools with more customization
  • Introduce a task/to-do list feature
  • Add video recording capability
Show 1 more
  • Provide more font and color options

Who's Available?

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Mental Note ๛

One-time3
  • Paper Customization feature$2.99
  • Straight Line Drawing feature$3.99
  • Dark Mode Override feature$3.99
None

Who's Available?

No in-app purchases

Questions

Is Mental Note ๛ free?
Mental Note ๛ costs $4.99, and also offers in-app purchases.
Is Who's Available? free?
Who's Available? is free to download, with no in-app purchases.
Which has better reviews, Mental Note ๛ or Who's Available??
Mental Note ๛ is rated higher. Mental Note ๛ averages 4.0 out of 5 from 15 ratings, while Who's Available? averages 3.7 from 3 ratings.
Do Mental Note ๛ or Who's Available? have ads?
Neither Mental Note ๛ nor Who's Available? shows ads.
Which is updated more often, Mental Note ๛ or Who's Available??
Mental Note ๛ ships an update every 5 months, and Who's Available? every 2 days. Most recently, Mental Note ๛ was updated on October 13, 2026 and Who's Available? on September 29, 2026.

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