FCD vs FillPass
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FCD
This application calibrates engine gauges for turboprop aircraft using an iPad. It connects via Bluetooth to a specialized adapter plugged into the back of the gauges, allowing full control of calibration parameters and download of flight log data.
- iPad-based calibration
- Bluetooth connectivity
- Control calibration parameters
- Download flight log data
- Supports TR1 engine gauges
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iPad based calibration app for the Electronics International Inc line of Turboprop 2 inch round engine gauges. The FCD-TR1 adapter is a BLE (BlueTooth) device that can be plugged directly into the back of any of the TR1 instruments and then controlled by this app via a BLE (BlueTooth) connection. All calibration parameters of the TR1 are accessible via this app. In addition, recorded flight log data can be downloaded to the iPad.
FillPass
Securely store and manage all your passwords and passkeys in one place. This app encrypts your data using iCloud and allows for autofill on apps and websites. Access your credentials across all your Apple devices with biometric or PIN unlock.
- Encrypted iCloud storage
- Cross-device sync
- Biometric and PIN unlock
- Secure password and passkey creation
- Autofill for apps and websites
- Insecure password warnings
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FillPass is a password and passkey management application. FillPass stores data in your iCloud. In case you lose your phone, you just need to install the app on a new device with the same Apple iCloud account. Featured: - All data is always encrypted and stored securely in your iCloud. You are the only one who can access your data. - Sync data on all devices. - Unlock with Touch ID or Face ID, PIN. - Create and manage passwords, passkeys securely and conveniently. - Autofill names and passwords on every app and website. - Insecure password warning. Privacy policy: https://www.vit-software.com/fillpass-privacy-policy Terms of service: https://www.vit-software.com/fillpass-terms-of-service For any questions, please contact email: contact@vit-software.com
Screenshots
Verdict
The clearest difference is update cadence: FillPass at every 2 months against FCD's every 7 months. FillPass also leads on ratings volume (7 vs 1). On price, rating, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for FCD against 5.0 for FillPass. That said, the two scores are not equally well evidenced: FillPass has 7 ratings behind it against 1, so its average is the more settled of the two.
FCD ships an update every 7 months, FillPass every 2 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.
| Parameter | FCD | FillPass |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (7 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 7 — better |
| Update frequency | Every 7 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.4 | 13.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 87 MB |
| Age rating | 4+ | 4+ |
| Developer | Ross Morrison | Nguyen Viet Anh |
Customer experience
FCD
FillPass
In-app purchases
FCD
No in-app purchases
FillPass
No in-app purchases
