Geph vs Defyx
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Geph
This app provides a zero-knowledge, open-source VPN service focused on user privacy. It offers free medium-speed browsing and paid tiers for enhanced speed and server access, all while maintaining transparency through its open-source code.
- Zero-knowledge privacy
- Open-source software stack
- Free medium-speed browsing
- Paid tiers for enhanced speed
- Access to more servers
- Transparent and accountable
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Robust zero-knowledge privacy — We don't log you, because we can't. We use zero-knowledge authentication so that we can never associate your browsing activity with your identity. Transparent and accountable — Geph's entire software stack is open source and available on GitHub. Our managing organization is registered in Estonia, an EU jurisdiction with strong privacy laws. Accessible to all — We believe that everyone has the right to internet privacy. So we offer entirely free medium-speed browsing for everyone. For €6/month, you can purchase greatly enhanced speed and access to more servers. Privacy Policy / Terms of Use: https://github.com/geph-official/geph5/wiki/Policies-and-terms
Defyx
This app provides secure and fast internet access with a focus on user privacy. It offers automatic setup, unlimited bandwidth, and end-to-end encryption to protect your data. The interface is clean and designed for ease of use, with features like Cloudflare DNS filtering for enhanced security.
- Secure, high-speed connections
- Automatic smart onboarding
- Unlimited bandwidth, no throttling
- Automatic best server selection
- End-to-end data encryption
- Strict no-logs policy
- Cloudflare DNS filtering
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Crafted for secure internet access, designed for everyone, everywhere Defyx is a privacy-first VPN app with user-friendly interaction, unique visual feedback, and upcoming AI-based security insights. Browse safely and protect your personal data with Defyx — a fast, modern, and easy-to-use VPN that puts your privacy first. Whether you're on public Wi-Fi or want extra peace of mind online, Defyx keeps your connection encrypted and private. Key Features: - Secure, high-speed connections - No setup needed — everything works automatically via smart onboarding - Unlimited bandwidth with no throttling or hidden limits - Automatically selects the best server for your location - End-to-end encryption for your data, wherever you go - Strict no-logs policy — we never track or store your activity - Lightweight, ad-supported experience to keep it free and sustainable - Clean, minimal interface designed for everyone — from first-time users to privacy experts - Cloudflare DNS filtering to block malicious content - Optimized for iPhone (iPad and Mac support coming soon) - Open-source commitment — we’ll publish our source code to promote transparency Focused on Privacy and Simplicity Defyx is built to help users stay secure on untrusted or public networks. Whether you're working remotely, traveling, or simply browsing privately, Defyx makes online protection easy and accessible. Coming Soon: More connection options and VPN protocols for increased reliability on complex networks. Take control of your privacy — with one tap.
Screenshots
Verdict
The clearest difference is review sentiment: Defyx at 80% against Geph's 39%. Defyx also leads on in-app purchases (none vs 1) and rating (4.4 vs 4.1). Geph's advantage is ads (none vs shown) and ratings volume (180 vs 45). On price, monetization model, 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. Geph sells 1 in-app purchase, starting at $5.99 per month. Defyx asks for nothing beyond the download.
Defyx holds the better App Store score, 4.4 against 4.1. Both are backed by a comparable volume of ratings — 180 and 45 respectively. Written reviews point the same way: 39% of Geph's written reviews are positive against 80% of Defyx's.
Geph ships an update every 5 weeks, Defyx every 10 days. Both last shipped on September 22, 2026.
| Parameter | Geph | Defyx |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (180 ratings) | 4.4 (45 ratings) — better |
| Positive reviews | 38.7% of reviews | 80.0% of reviews — better |
| Number of ratings | 180 — better | 45 |
| Update frequency | Every 5 weeks | Every 10 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 36 MB | 137 MB |
| Age rating | 4+ | 12+ |
| Developer | Gephyra OU | UnboundTech UG (haftungsbeschraenkt) |
Customer experience
Geph
Defyx
Bugs and requests
Geph
Reported bugs
15 issues- App frequently opens to a blank screen and cannot be used
- VPN cannot be turned off after opening
- App crashes and does not connect easily
- Connection times out with 'Transport(broker call timed out)' error
- App freezes after loading
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- Download and upload rates display zero and do not change
- App does not react or reacts with delay when disconnecting
- Servers are detected and blocked quickly
- VPN sharing on local network does not work or has no on/off button
- Login errors with 'TypeError: undefined is not an object'
- App not working after updates
- Cannot migrate old account or register new one
- Free settings eliminated after update
- iOS version not connecting at all
- iOS version has slow response bug and cannot establish network connection
Requested features
10 requests- Support for sharing VPN connection via hotspot on iOS
- Faster updates for iOS
- More free servers
- Add more US locations to iOS
- Add split tunneling feature
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- Improve iOS/iPadOS version
- Add background app refresh for iPhone
- Improve customer support for paid users
- Increase free account speed to 300 kb/s on iOS
- Add mainland China traffic exclusion/split tunneling
Defyx
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Geph
- 1 Month of Unlimited Speed$5.991 Month
Defyx
No in-app purchases








