simREF vs UniChecklist
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
simREF
This app provides quick-reference checklists and operational data for flight simulation on iPad. It features interactive normal and abnormal checklists, essential flight data, and a CG/Trim calculator for takeoff planning in a distraction-free, dark UI optimized for cockpit environments.
- Interactive Normal & Abnormal Checklists
- Operational Data at a glance
- CG/Trim calculator
- Offline functionality
- Dark UI for cockpit environments
- iPad landscape optimized
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simREF is a quick-reference companion for flight simulation on iPad. Navigate realistic normal & abnormal checklists and operational data in a distraction-free UI. Features - Interactive Normal & Abnormal Checklists (A319/A320/A321/A330/A340/A350) - Operational Data at a glance (speeds, limitations, references) - CG/Trim calculator for takeoff planning (non A350) Works offline, designed for iPad in landscape Dark UI optimized for cockpit environments Who it’s for Flight-sim enthusiasts seeking a structured, QRH-style workflow on iPad. Notes For flight simulation use only. Not for real-world flight operations or training. simREF is not affiliated with or endorsed by any aircraft manufacturer or add-on developer.
UniChecklist
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Your Digital Cockpit Companion Whether you’re flying a real Cessna or practicing procedures in a simulator, UniChecklist helps you manage every step — from pre-flight to shutdown — just like in the cockpit. Built by a pilot, for pilots and enthusiasts Create what you need, Checklist can mirror real-world cockpit workflows while remaining clear and easy to use on iPhone and iPad. Perfect for General Aviation & Flight Simulation • Practice standard procedures in Microsoft Flight Simulator, X-Plane, or other sims • Stay organized during training or check rides • Use the same flows for your real-world Cessna or club aircraft • App language is English, but all the items and groups you write in the language you like • Check items can even be read by the device and checked by saying "Checked" (Audio Mode) Clean. Fast. Focused. The app keeps distractions to a minimum — no ads, no clutter. Just checklists that feel like the real thing. Items are grouped by phase of flight and easy to follow, even during busy moments. Key Features • Realistic GA checklists inspired by the C172 POH can be downloaded from link in user manual • Foldable checklist groups for each flight phase • Tap-to-check and “next item” progression • Highlighted emergency and abnormal procedures, easy to jump to by Quick Assess button • Offline use — perfect for cockpit or simulator sessions • Easy export and import into/from text files. Write your checklist easy on your computer and just import it into you iPhone or iPad from your • • Audio Mode as if you have a copilot reading the items for you • Available in 4 additional languages, DE, SV, FR and ES Ideal For: • Student pilots learning procedures • Flight instructors guiding pre-flight routines • Simulation enthusiasts wanting realism • General aviation pilots who prefer digital clarity over paper chaos • But also usable for everyone who needs to get tasks done Fly Smart — Train Realistically Turn your device into a co-pilot that never forgets a step. With Checklist, your flight routines are always ready — on the ground, in the air, or in the sim. Note: Use in general aviation on your own risk. Use official paper checklists if in doubt.
Screenshots
Verdict
The clearest difference is update cadence: simREF at every 10 days against UniChecklist's every 11 months. simREF also leads on iOS requirement (17.0 vs 27.0). 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. simREF sells 2 one-off in-app purchases and UniChecklist sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
simREF ships an update every 10 days, UniChecklist every 11 months. Both last shipped on October 24, 2026.
| Parameter | simREF | UniChecklist |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 10 days — better | Every 11 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 17.0 — better | 27.0 |
| Further details — not scored | ||
| Size | 148 MB | 1 MB |
| Age rating | 17+ | 4+ |
| Developer | Chris-Luca Fischer | Hardy Bismark |
In-app purchases
simREF
- IndiGo Virtual Integration$2.99
- simREF Full Access$8.99
UniChecklist
- UniChecklist$4.99









