black.com vs Mamoism
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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@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
Mamoism
Organize notes, photos, PDFs, and more in a single app. Save important information, create countdowns, and access weather and market data. Optional cloud sync is available with a subscription.
- Note-taking and file organization
- Photo and video capture/import
- PDF and audio file support
- Personal countdowns and reminders
- Weather and market data
- Apple Health and Home integration
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Mamoism brings notes, photos, PDFs, countdowns, and everyday information together in one consistent app. Create and organize your own content, save useful information, and find it again with search. With Mamoism, you can: • Write notes and organize your files in folders. • Capture or import photos and videos. • Open your own PDFs and browse photo collections. • Import and play audio files. • Create personal countdowns and set reminders for upcoming events. • View weather and market information, and save favorite charts and countdowns. • View supported Apple Health data and connect Apple Home on compatible devices. Optional Cloud Data Use supported local features without an account. Cloud Data includes 10 GB of storage to synchronize supported content across devices. Synchronization requires an account, an active subscription, and enabled Cloud Sync. Some features require compatible devices, permissions, or an internet connection. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Mamoism at 5.0 against black.com's 3.7. Mamoism also leads on update cadence (every 5 days vs every 6 weeks). black.com's advantage is ratings volume (12 vs 1). On price, ads, in-app purchases and monetization model 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
Both are free to download. black.com sells 1 in-app purchase, starting at $4.99 per month and Mamoism sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Mamoism holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: black.com has 12 ratings behind it against 1, so its average is the more settled of the two.
black.com ships an update every 6 weeks, Mamoism every 5 days. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.
| Parameter | black.com | Mamoism |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (12 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 72.7% of reviews | — |
| Number of ratings | 12 — better | 1 |
| Update frequency | Every 6 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPod, Mac — better |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 170 MB |
| Age rating | 4+ | 4+ |
| Developer | black.com GmbH | Marco Thiel |
Customer experience
black.com
Mamoism
In-app purchases
black.com
- Membership$4.991 Month
Mamoism
- Cloud Data — 10 GB$3.991 Month









