The average cardholder wastes  $240/yr  in unused perks

Every card benefit. Used, not wasted.

Stackk tracks every credit, perk, and reward across all your cards — then nudges you before they expire. Stop leaving money on the table.

No credit card required Your data stays private Works offline, installs like an app
$120 Travel Credit
Expires in 4 days
Annual fee waived
Military · SCRA
Good evening,Welcome back
AV
Net annual value
$2,140
Expiring this month
$385
Your wallet · 5 cards
Sapphire Reserve$300
Travel credit · 60% used
Platinum$200
Airline + Uber credits
Gold Card$120
Dining credit · expires in 4d

Tracks benefits across every major issuer

AmexChaseCapital OneCitiBank of AmericaU.S. BankWells FargoNavy Federal
What Stackk does

One home for every perk you're already paying for

Credits, multipliers, lounge passes, protections, statement rebates — Stackk turns the fine print into money you actually collect.

The stacked Wallet

All your cards in one tactile stack. Tap any card to expand it inline and watch each benefit's progress fill toward its annual value.

Expiry alerts before it's too late

A card glows red when a benefit is within days of resetting. Opt into push notifications and Stackk pings you while there's still time to use it.

60+

Cards pre-loaded

Pick from a curated library of 60+ cards with every benefit already entered. Add yours in seconds — no manual data entry.

Real value, tracked YTD

See net annual value after fees and exactly how much you've realized so far this year — per benefit and per card.

Spotlight search

Hit ⌘K to jump across your wallet, the full card library, the perks directory, and every page — instantly.

A rewards calendar that thinks ahead

Every credit, multiplier, and protection organized by reset period — monthly, quarterly, annual — so you know what to use now and what's coming. Plus smart recommendations on which card to put each purchase on.

Monthly credits Quarterly multipliers Annual statement rebates Purchase protections Best-card-for-this-buy
Dining credit
Monthly · resets in 6d
$10
Travel credit
Annual · resets in 41d
$300
5× travel points
Ongoing multiplier
Cell phone protection
Protection · active
$800
Up and running in 2 minutes

From zero to organized in three taps

01

Create your account

Sign up in seconds. No credit-card connection, no bank login — Stackk never touches your money or statements.

02

Add your cards

Tap the cards you carry from the built-in library. Every benefit, value, and reset date loads automatically.

03

Collect what's yours

Open Stackk, see what's expiring, use it. Watch your realized value climb all year long.

Net value, at a glance

Know exactly what your cards are worth

Annual fees feel like a gut punch — until you see the credits stacked against them. Stackk does the math so the value is obvious.

  • Net value after feesEvery benefit summed, the annual fee subtracted — the real number.
  • Realized vs. remainingHow much you've already collected this year — and what's still on the table.
  • Keep-or-cancel clarityAt renewal, see at a glance whether a card earns its fee for you.
See your numbers
Total net value · 2026▲ on track
$2,140
$1,165 realized · $975 still available
Sapphire Reserve
$300 travel · $0 net fee w/ credits
+$540
Amex Gold
Dining + Uber credits
+$420
Platinum
Airline + lounge access
+$1,180
Built for those who serve

Military mode — your fees, waived

Flip on Active-Duty mode and every SCRA/MLA-waivable annual fee drops to $0 in your value math. Then dive into a verified directory of military discounts — Stackk deep-links you straight to each brand's military page.

Explore military perks
ID.me · GovXVerified-once military pricing
AAFES · NEX · MCXTax-free exchange shopping
Nike · Under ArmourDirect military discounts
Ford · GM · ToyotaMilitary rebates on new vehicles
ExpertVoicePro-deal access on gear
Armed Forces TravelDiscounted travel & lodging
People stop wasting perks

Money found, every month

★★★★★

"I had no idea my Platinum airline credit reset every January. Stackk caught it — that's $200 I would've torched."

JM
Jordan M.
Carries 4 cards
★★★★★

"The wallet view finally made my annual fees make sense. Two cards earned their keep, one didn't — so I cancelled it."

PR
Priya R.
Points optimizer
★★★★★

"Active-duty mode zeroed out my fees and pointed me at discounts I didn't know existed. It just gets it."

DT
Devon T.
Active duty, USAF

Your perks are expiring right now.

Set up your wallet in under two minutes and never hand free money back to the bank again.

Free forever · No bank connection · Installs to your home screen