i.x R2 vs Nukii
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
i.x R2
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R2 app provides end-to-end encryption for the following features: - secure call - secure text message, voice message, photo / PDF document transfer - secure photo / PDF document storage - web portal to upload photos / PDF documents from PC - 2nd factor authentication - secure multi-parties call R2 app needs to work with R2 key or R9 keyserver, where R2 key embeds EAL 5+ secure element and provides the state-of-art mobile security. For more information about R2 key, please visit https://www.ix-security.com.
Nukii
This app manages an intelligent flash drive with patented NFC unlocking technology. It ensures automatic locking and secure sharing of confidential documents, offering remote data clearing for lost devices.
- Patented NFC unlocking
- Automatic locking
- Secure document sharing
- Remote data clearing
- Read-only mode
- Manage shared accounts
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More than 95% of flash drives do not have functions that provide adequate security protection. In the case that the flash drive is lost, trade secrets and confidential documents may be stolen! Introducing: Nukii Next Generation Intelligent Flash Drive - Exclusive patented NFC unlocking technology - Japan Good Design Award Confidential information stored in the cloud may be at risk of being hacked. Nukii flash drive always locks automatically, keeping everything inside protected. Mobile Nukii app is designed for management workflow, share the contents of the flash drive safely and selectively. The best choice for teams sharing confidential documents. Product Features: 1. Always locks automatically 2. Patented NFC sensor unlocking 3. Manage shared accounts by the Nukii App 4. Read-only mode to reduce the risk of virus 5. Remotely clear data incase lost of device 6. High quality memory chips
Screenshots
Verdict
i.x R2 and Nukii are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
i.x R2 ships an update every 5 weeks, Nukii every 2 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | i.x R2 | Nukii |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.4 (5 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 137 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | Fiziico Co. Ltd. | Maktar Inc. |
In-app purchases
i.x R2
No in-app purchases
Nukii
No in-app purchases
