black.com vs 10%
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
10%
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【Precision Decision Engine】 Implements scientifically validated 10% core principle: AI-free algorithm dynamically identifies the 10% outcome-critical factors while filtering 90% non-essential noise. Core Features Smart Priority Matrix: Real-time task value density assessment Deep Focus Mode: 67% reduction in attention fragmentation Efficiency Mapping: Quantified time investment ROI 100% Local Processing | Zero Data Upload | No AI Dependency Technical Edge Dual-model algorithm (behavioral analysis + decision tree) Device-level encryption (biometric authentication) Use Cases Enterprise strategic path optimization High-intensity work attention control Immersive academic research solutions
Screenshots
Verdict
The clearest difference is price: black.com at Free against 10%'s $0.99. black.com also leads on iOS requirement (16.4 vs 18.0). 10%'s advantage is in-app purchases (none vs 1) and update cadence (daily vs every 6 weeks). On ads and device support 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
black.com is free to download; 10% costs $0.99 up front. black.com sells 1 in-app purchase, starting at $4.99 per month. 10% asks for nothing beyond the download.
black.com ships an update every 6 weeks, 10% daily. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.
| Parameter | black.com | 10% |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.6 (9 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Every 6 weeks | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.4 — better | 18.0 |
| Further details — not scored | ||
| Size | 14 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | black.com GmbH | Shenzhen Huisheng Computer Technology Co.,Ltd |
In-app purchases
black.com
- Membership$4.991 Month
10%
No in-app purchases









