C2 Password vs React
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
C2 Password
Securely store, sync, and safeguard your passwords and personal information across unlimited devices. Access your credentials from anywhere via web, browser extension, or mobile app. All data is encrypted before leaving your device for maximum privacy.
- Secure password storage
- Unlimited device syncing
- Cross-platform access (web, extension, mobile)
- End-to-end encryption
- Autofill credentials
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C2 Password is a highly secure password management solution to store, sync, and safeguard your passwords and personal information. With unlimited device syncing, you will be able to access your credentials from anywhere through the web portal, browser extension, or mobile app. All the data you upload to C2 Password will be encrypted before leaving your devices, so no one except yourself can decrypt the data. Save time while keeping your data safe. Get started with C2 Password today! For our Terms of Service, visit: https://c2.synology.com/legal/terms_conditions
React
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REACT application makes it easy to store, organize and export measurement data. INSTANTLY CAPTURE: Use the camera to take photos and videos, or import them from your gallery. Then add proof information. IMPROVE IMAGE CLARITY: Select any image from a proof and use our editing tools to enhance its quality for better analysis. EASY EXPORTING: Generate professional measurement reports with a single tap of the Export button. STAY COMPLIANT: Run necessary compliance calculations directly within the app. With REACT, you'll never lose your data again.
Screenshots
Verdict
The clearest difference is in-app purchases: React at none against C2 Password's 3. React also leads on iOS requirement (13.0 vs 15.2). C2 Password's advantage is update cadence (monthly vs every 2 months). On price, 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
Both are free to download. C2 Password sells 3 in-app purchases, starting at $4.49 per year. React asks for nothing beyond the download.
C2 Password ships an update monthly, React every 2 months. The most recent releases landed on October 17, 2026 and October 4, 2026 respectively.
| Parameter | C2 Password | React |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (178 ratings) — better | — |
| Positive reviews | 60.8% of reviews | — |
| Number of ratings | 178 — better | — |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.2 | 13.0 — better |
| Further details — not scored | ||
| Size | 28 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Synology Inc. | Fibermetrix |
In-app purchases
C2 Password
- Plus Plan (1 Year)1 Month trial$4.491 Year
- Plus Plan (1 Year)1 Month trial$4.991 Year
- Plus Plan (1 Year)1 Month trial$5.491 Year
React
No in-app purchases
