Epistles Mail vs Kimpa
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Epistles Mail
Consolidate multiple email accounts into a single, unified inbox. Enjoy a native mobile experience with responsive gestures and offline functionality. Prioritizes user privacy with a zero-knowledge cloud vault for secure cross-device setup.
- Unified inbox for multiple providers
- Native mobile experience
- Offline functionality
- Privacy-first design
- Zero-knowledge cloud vault
- Local-first sync
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Epistles is a fast, powerful email app for people who use more than one provider. Bring Fastmail, Gmail, Microsoft 365 / Outlook, ProtonMail, and generic IMAP accounts into one unified inbox, with the polish of a premium client and architecture built for real-world email. MULTIPLE ACCOUNTS, ONE EXPERIENCE See everything in one timeline or drill into a single account when you need focus. Switch providers without switching apps. NATIVE WHERE IT MATTERS Built as a real native mobile experience. Responsive gestures, solid offline behavior, and attention to the small details that make daily email less painful. PRIVACY-FIRST DESIGN Epistles is not an “AI that reads your threads” product. Your mail stays oriented around you and your providers, not server-side content mining for ads or training. ZERO-KNOWLEDGE CLOUD VAULT Cross-device setup backs up connection metadata with encryption designed so the relay can’t unwrap your secrets. LOCAL-FIRST SYNC Keep working when connectivity is spotty; sync when you’re back online. WHO IT’S FOR • Multi-account professionals juggling work and personal mail • Power users coming from Fastmail, Gmail, Outlook, or Proton who want one inbox • Anyone who wants a universal client without giving up control Epistles is independently developed with a simple goal: make excellent email software that respects how people actually use email today. Terms of Use: https://epistles.net/terms/
Kimpa
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Private by design. Secure by default. Kimpa is a secure business communication platform that brings together encrypted email, messaging, calendar, contacts, notes, tasks, and cloud storage in one place. Built for professionals, teams, and organizations, Kimpa helps protect sensitive communication while making collaboration simple and reliable. Secure Email Send and receive email with enterprise-grade protection designed to help defend against phishing, spoofing, and account compromise. Encrypted Messaging Communicate with confidence using end-to-end encrypted messaging designed to keep conversations private. Calendar & Scheduling Organize meetings, events, and appointments with an integrated calendar that works seamlessly across your devices. Contacts Keep your personal and business contacts securely organized and synchronized. Notes Capture ideas, meeting notes, and important information with secure note-taking. Tasks Manage projects, assignments, and daily work with built-in task management. Cloud Storage Store, organize, and access your files securely from anywhere. Built for Business Whether you're an individual, startup, or enterprise, Kimpa provides a secure workspace for modern communication and collaboration. Features • Secure business email • End-to-end encrypted messaging • Integrated calendar • Contacts management • Notes • Task management • Secure cloud storage • Cross-device synchronization • Modern, intuitive interface • Privacy-first architecture Experience a communication platform designed with security, privacy, and productivity at its core. Download Kimpa today.
Screenshots
Verdict
The clearest difference is in-app purchases: Kimpa at none against Epistles Mail's 2. Epistles Mail's advantage is update cadence (daily vs every 2 weeks). 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
Both are free to download. Epistles Mail sells 2 in-app purchases, starting at $49.99 per year. Kimpa asks for nothing beyond the download.
Epistles Mail ships an update daily, Kimpa every 2 weeks. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.
| Parameter | Epistles Mail | Kimpa |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (7 ratings) — better | — |
| Positive reviews | 62.5% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Daily — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 94 MB | 47 MB |
| Age rating | 4+ | 17+ |
| Developer | Netwarden LLC | Glemad |
In-app purchases
Epistles Mail
- Pro Annual$49.991 Year
- Bereans Edition$149.99
Kimpa
No in-app purchases









