Comparison

Notebox vs black.com

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

Head to head
About

Notebox

This app offers a secure, block-based editor with Markdown support for local note-taking. For cross-device synchronization and real-time updates, a subscription unlocks cloud features with zero-knowledge encryption.

Highlights
  • Zero-knowledge encryption
  • Block-based editor
  • Markdown support
  • Local-only mode
  • Cross-device sync
  • Real-time updates
Read full description

# V2 Ultimate Privacy - All user data is stored with D2D zero-knowledge encryption - Block based flexible editor - Supports Markdown - Local-only use on iPhone, iPad and Mac is FREE. # Subscribe to Sync - Across all devices - Real time - Conflict-Free - Complete Security All personal data is stored in personal iCloud. All synchronization is processed on user device locally. --- privacy policy: https://notebox.cloud/privacy-policy terms of use: https://notebox.cloud/terms-of-use

About

black.com

Secure and encrypted email with a personalized @black.com address. Features AI writing tools for effortless composition, unlimited storage, and alias addresses to manage spam. Protects your data with zero-access encryption and app-based two-factor authentication.

Highlights
  • Personalized @black.com email address
  • Zero-access encryption
  • AI-powered email composition
  • Unlimited storage (25GB + annual increase)
  • Spam-free alias addresses
  • App-based two-factor authentication
Features
Read full description

@black.com email address An email address is a reflection of your personal brand. Stand out with your own @black.com address that low-budget alternatives simply can't match. Secure & encrypted email Zero-Access Encryption secures your data with a key derived from your password. This means that not even we can access the contents of your stored emails. Our app-based two-factor authentication protects your account even if your password is compromised. Write emails effortlessly Supercharge your email experience with our integrated AI tools. Let the AI create, correct, optimize, and translate your messages. Unlock a whole new level of productivity and compose polished emails in a few seconds! Completely optional, of course. Unlimited* storage You start with 25 GB and get 2 GB of additional storage every year - forever. With normal usage, you will never run out of space. Alias addresses for a spam-free inbox Memorable and removable alias addresses like redcat42@black.com that you can use for newsletters etc. keep your inbox spam-free - forever. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula

Screenshots

Notebox4 screens
black.com4 screens

Verdict

The call

The clearest difference is rating: Notebox at 4.3 against black.com's 3.6. Notebox also leads on update cadence (every 2 days vs every 6 weeks) and review sentiment (86% vs 67%). On price, ratings volume, ads and in-app purchases 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. Notebox sells 2 in-app purchases, starting at $1.49 per month and black.com sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Notebox holds the better App Store score, 4.3 against 3.6. Both are backed by a comparable volume of ratings — 6 and 9 respectively. Written reviews point the same way: 86% of Notebox's written reviews are positive against 67% of black.com's.

UpkeepUpdate frequency

Notebox ships an update every 2 days, black.com every 6 weeks. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.

Scorecard3 real differences · 7 level
Notebox versus black.com: the parameters behind the verdict, then further details
ParameterNoteboxblack.com
PriceFreeFree
Rating4.3 (6 ratings) — better3.6 (9 ratings)
Positive reviews85.7% of reviews — better66.7% of reviews
Number of ratings69 — better
Update frequencyEvery 2 days — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS17.016.4 — better
Further details — not scored
Size49 MB14 MB
Age rating4+4+
DeveloperGuap Inc.black.com GmbH

Customer experience

Notebox

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews7 reviews
Positive85.7%
Neutral0.0%
Negative14.3%

black.com

All ratings9 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews9 reviews
Positive66.7%
Neutral11.1%
Negative22.2%

In-app purchases

2 purchases

Notebox

Subscriptions2
  • Monthly Cloud Subscription7 Days trial$1.491 Month
  • Yearly Cloud Subscription1 Month trial$14.991 Year
1 purchases

black.com

Subscriptions1
  • Membership$4.991 Month

Questions

Is Notebox free?
Notebox is free to download, with in-app purchases available.
Is black.com free?
black.com is free to download, with in-app purchases available.
Which has better reviews, Notebox or black.com?
Notebox is rated higher. Notebox averages 4.3 out of 5 from 6 ratings, while black.com averages 3.6 from 9 ratings.
Do Notebox or black.com have ads?
Neither Notebox nor black.com shows ads.
Which is updated more often, Notebox or black.com?
Notebox ships an update every 2 days, and black.com every 6 weeks. Most recently, Notebox was updated on September 30, 2026 and black.com on October 3, 2026.

Other comparisons