FCD vs DeeUP
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.
DeeUP
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upgrade vehicle meter, bms, controller firmware.
Screenshots
Verdict
FCD and DeeUP 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.
FCD ships an update every 7 months, DeeUP every 9 months. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.
| Parameter | FCD | DeeUP |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 7 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.4 — better | 15.6 |
| Further details — not scored | ||
| Size | 2 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Ross Morrison | Wuxi Dilu Electronic Technology Co.,Ltd |
In-app purchases
FCD
No in-app purchases
DeeUP
No in-app purchases









