Flight Debugger vs DRIN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flight Debugger
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Support your Cleanflight/Betaflight/INAV aircraft configure and monitor . App can be used to configure the general parameters, PID, OSD, receiver, ports, modes and channels of flight controller. App can backup your profile and restore it to the flight controller.
DRIN
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DRIN is the all-in-one offline toolkit for FPV racing pilots, long-range builders and hobbyists. Whether you're planning your first 5" quad or maintaining a fleet of 10" long-range platforms - DRIN has the tools you need, no internet required. 17 OFFLINE CALCULATORS • Flight time & thrust-to-weight ratio • Battery capacity, charge time & health (mAh → Wh) • ESC & propeller thrust • Ohm's law & link budget • Signal distance, VSWR loss & dBm to Watts conversion • Dipole design, antenna angle & radio horizon • VTX frequency table & Rx/Tx intermodulation checker All calculators work fully offline — in the field, at the bench, anywhere. PREFLIGHT CHECKLISTS • Separate checklists for FPV, fixed-wing and preflight inspection • Fully offline — never miss a step, even without signal COMPONENT FINDER WITH LIVE PRICES • Browse and compare drone parts sourced from AliExpress — only components with verified quality • Auto-generated build recommendations for 5", 7", 8", 9" and 10" drones • Build your own setup from recommended parts, or bookmark components to a local database • Price updates delivered directly in the news feed FLIGHT LOG & BLACKBOX IMPORT • Log every flight manually or import directly from Betaflight Blackbox • Track: voltage start/end/min, flight duration, temperature, altitude, distance, battery health • Assign logs to specific drones and batteries • Visualize your data with charts: voltage drop, flight duration, distance & altitude, flight type breakdown BETAFLIGHT CAMERA & VTX PRESETS • Ready-to-use Betaflight configurations for popular cameras and VTX modules • Save your preferred presets for offline access KNOWLEDGE BASE & NEWS • Short guides and life hacks written by pilots who fly daily • Component overviews, setup tips and best practices • News feed with firmware releases and price updates • Save any article offline for field reference Available in English, Ukrainian, Spanish and Portuguese.
Screenshots
Verdict
The clearest difference is update cadence: Flight Debugger at fortnightly against DRIN's every 2 months. Flight Debugger also leads on iOS requirement (7.0 vs 15.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Flight Debugger ships an update fortnightly, DRIN every 2 months. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.
| Parameter | Flight Debugger | DRIN |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 7.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 7 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | 加彬 薛 | Ihor Bochko |
In-app purchases
Flight Debugger
No in-app purchases
DRIN
No in-app purchases









