Is Applied Ballistics Quantum free?

Its base tier is free. Advanced features sit in a paid Elite tier (a subscription), which unlocks free when paired with Applied Ballistics-equipped hardware such as certain Kestrel and Garmin devices.

Is Zero Considerations a replacement for Applied Ballistics?

For solver depth, no — Applied Ballistics is the reference standard, especially with custom drag models. Zero Considerations covers a different job: measuring your actual group from a photo, converting it to turret clicks, truing velocity, and showing to-scale reticle holdovers, for a one-time $9.99 with no subscription.

← zeroconsiderations.com

Applied Ballistics Quantum: Alternative, or Companion?

Q: Can I use both apps together?

Yes, and many precision shooters would sensibly do exactly that: Quantum for match solving, Zero Considerations for zeroing sessions and truing. They don't conflict, and the combined cost is one $9.99 purchase plus whatever AB tier you already run.

Let's start where honesty demands: Applied Ballistics is the reference name in long-range solving, and Quantum — its current app, launched December 2024 — carries that pedigree. Custom drag models, a deep free tier, tight integration with Kestrel and Garmin hardware. If your question is "which solver do the pros trust," you already know the answer, and this page won't pretend otherwise.

The real question is narrower: what job is Quantum not built for, and what does it cost to be in its world?

Who's writing this: the developer of Zero Considerations — one of the apps below. Weigh accordingly. Competitor facts are taken from their public store listings and sites as of September 2026, and where an app is the better pick for a job, the page says so.

The model difference: subscription vs bought-once

Quantum's base tier is free. Its advanced tier — Elite — is a subscription, unlocked free when paired with AB-equipped hardware. That's a fair model for an ecosystem play, but it means the full app is either a recurring charge or a hardware purchase away. Zero Considerations is $9.99 once: every feature, no tiers, no recurring anything. If subscription creep is why you're reading an "alternative" page, that's the difference that brought you here.

The job difference: solving vs zeroing

Quantum answers "what's my firing solution at 850 yards." It's built for the shot. Zero Considerations is built for the part that comes first and eats the most ammo: getting and keeping a zero.

Photograph your shot target once — the app finds the target face and every bullet hole itself, no tapping each hole.
The group's offset becomes an exact click count for your optic's click value and turret direction. Dial, confirm with a group.
The same photos true your muzzle velocity, so the solver matches your rifle instead of the box flap.
301 reticles drawn to published manufacturer subtensions show your holdovers to scale before you shoot.
Height-over-bore computed from your actual optic and mount, offset optics and lasers included.

Quantum has a full solver's environmental handling and trajectory math; so does Zero Considerations (drop, wind, energy, in MOA, MIL, or clicks, offline). But the photo-to-clicks zeroing loop is a job Quantum simply doesn't do.

Side by side

	AB Quantum	Zero Considerations
Price model	Free tier + Elite subscription (free w/ AB hardware)	$9.99 one-time, everything included
Solver pedigree	Reference standard, custom drag models	Full solver (drop/wind/energy), standard drag models
Photo zeroing (holes → clicks)	No	Yes, automatic detection
Velocity truing from paper	Chronograph/hardware-centric	From photographed drop at known distance
To-scale reticle library	Limited	301 reticles to published subtensions
Hardware ecosystem	Kestrel/Garmin integration — its real moat	None required; phone only
Account	Account-based	No account; offline except optional weather

The honest recommendation

Competitive long-range shooter in the AB hardware world: keep Quantum — nothing here replaces it, and the sensible setup is Quantum for solving plus Zero Considerations for zeroing sessions and truing. Hunter or range shooter whose real annual event is sight-in day: the subscription ecosystem is more app than the job needs, and the photo-to-clicks loop is the part you'll actually use — that's the $9.99 one-time case.

For education and lawful sporting use. Figures here are rough and load-dependent — treat them as orientation, not dope. Always confirm your zero with live fire at your real distance before relying on it, and follow all firearm safety rules and your range's procedures.

Zero Considerations — photograph the target, get the measured group and the exact clicks to dial, then keep the DOPE. One-time $9.99 on both stores — no subscription, no account, works with no signal.

App Store — $9.99 once Google Play — $9.99 once What it does Free printable targets

On Android, Google Play gives you 48 hours to ask for a refund — try it on your next range trip and keep it only if it earns its spot in your range bag. Not ready today? Wishlist it on Google Play and Google will notify you if the price drops before opening day.