Comparison

I Fly Cabri G2 vs Zero100

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

I Fly Cabri G2

This app assists Cabri G2 helicopter pilots with preflight calculations and flight safety. It offers tools for weight and balance, hover ceiling, rate of climb, and flight plan generation. Print and share essential performance documents for improved situational awareness.

Highlights
  • Weight and Balance Calculator
  • Hover Ceiling & Rate of Climb Charts
  • Flight Plan Printing
  • Performance Calculations (HIGE, HOGE)
  • Printable PDF Documents
  • Shareable Preflight Documents
Features
Read full description

An essential tool for Cabri G2 helicopter pilots. This app simplifies your preflight calculations and enhances flight safety with essential performance tools. Print off a flight plan with Weight and Balance, Nav Log, Weather and performance like HIGE, HOGE and rate of climb for each point on your route. Weight & Balance Calculator – Quickly and accurately determine if your Cabri G2 is within weight and balance limits. Print and share your weight and balance in seconds. Hover Ceiling & Rate of Climb Charts – enter your weight and temperature and get hover in ground effect and out of ground effect altitude limits. Print off a signed pdf with temp and take off weight. Print & Share W&B – Generate professional preflight documents for record-keeping and compliance. Coming Soon: checklists, and more! As we add more features the price will go up, but if you buy it now you will get them for free for ever. Whether you're a student pilot or a seasoned aviator, this app streamlines your workflow and improves situational awareness. Download now and make every flight smoother and safer!

About

Zero100

Features
Read full description

Zero100 turns your iPhone into a GPS performance meter. Mount the phone, come to a full stop and launch — Zero100 starts timing the moment the car moves and shows your 0–100 km/h (0–60 mph) time, top speed and peak G. ALL TIMINGS, FREE • 0–100 and 0–200 km/h, 0–60 mph • 80–120 and 100–200 km/h in-gear times • ¼ mile and ½ mile with trap speed • Optional 1-ft rollout, like on a drag strip • Unlimited runs MADE FOR LAUNCHES • Live GPS accuracy, so you know when you’re ready • Starts automatically from a full stop • Big, clear readout and windshield HUD mode YOUR CAR • Pick your car from a catalogue of 600+ makes and models, or type your own • Share a clean result card with your time and speed chart ZERO100 PRO (PAID — IN-APP PURCHASE REQUIRED) These features require a separate in-app purchase: • Full history of every run and best times per car • Unlimited cars • No ads • Monthly subscription (first week free) or a one-time Lifetime purchase SAFETY FIRST Measure only on a closed track or private road where it is legal. Never handle your phone while driving — mount it before you start or let a passenger run it. Results are based on GPS and are for entertainment only, not certified measurements. Terms of Use: https://speednetapp.duckdns.org/zero100/#terms Privacy Policy: https://speednetapp.duckdns.org/zero100/#privacy Terms of Use (Apple EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

I Fly Cabri G24 screens
Zero1004 screens

Verdict

The call

The clearest difference is ads: I Fly Cabri G2 at none against Zero100's shown. I Fly Cabri G2 also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). Zero100's advantage is update cadence (every 5 days vs fortnightly). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. I Fly Cabri G2 sells 2 in-app purchases, starting at $4.99 per month and Zero100 sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

I Fly Cabri G2 ships an update fortnightly, Zero100 every 5 days. The most recent releases landed on November 12, 2026 and November 10, 2026 respectively.

Scorecard4 real differences · 5 level
I Fly Cabri G2 versus Zero100: the parameters behind the verdict, then further details
ParameterI Fly Cabri G2Zero100
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyFortnightlyEvery 5 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size238 MB7 MB
Age rating+44+
DeveloperNicholas BradleyPavel lishnev

In-app purchases

2 purchases

I Fly Cabri G2

Subscriptions2
  • Pro Monthly7 Days trial$4.991 Month
  • Pro Annual7 Days trial$29.991 Year
2 purchases

Zero100

Subscriptions1
  • Zero100 Pro Monthly7 Days trial$2.991 Month
One-time1
  • Zero100 Pro Lifetime$9.99

Questions

Is I Fly Cabri G2 free?
I Fly Cabri G2 is free to download, with in-app purchases available.
Is Zero100 free?
Zero100 is free to download, with in-app purchases available.
Do I Fly Cabri G2 or Zero100 have ads?
Zero100 shows ads; I Fly Cabri G2 does not.
Which is updated more often, I Fly Cabri G2 or Zero100?
I Fly Cabri G2 ships an update fortnightly, and Zero100 every 5 days. Most recently, I Fly Cabri G2 was updated on November 12, 2026 and Zero100 on November 10, 2026.

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