The Credit Ledger 
If you have ever tapped “Buy” inside the standard Kraken app, you paid more than you probably realized. The convenient one-tap flow, often called Instant Buy, hides most of its cost. Kraken Pro, the advanced trading interface tied to the same account, shows its cost openly and charges a fraction of the amount. This guide quantifies the difference, explains why it exists, and walks you through placing the identical purchase on Pro.
The headline number: roughly 9x to 14x more
Here is the comparison that most large finance sites skip.
The simple Instant Buy flow stacks three costs: a flat trading fee, a spread baked into the quoted price, and a payment processing fee when you fund with a card. Add those together and a card-funded instant purchase commonly lands somewhere around 3.5 percent all-in (verify against Kraken’s current terms, which vary by funding method and asset).
Kraken Pro charges a published maker/taker fee that starts near 0.25 percent maker and 0.40 percent taker at the base 30-day volume tier. A market order on Pro typically pays the taker rate.
So on the same dollar amount, you are roughly comparing 3.5 percent to somewhere between 0.25 and 0.40 percent. That is about 9x to 14x more on the convenient flow.
What that costs in dollars
| Purchase amount | Instant Buy at ~3.5% | Pro taker at ~0.40% | Extra you pay |
|---|---|---|---|
| $100 | ~$3.50 | ~$0.40 | ~$3.10 |
| $500 | ~$17.50 | ~$2.00 | ~$15.50 |
| $1,000 | ~$35.00 | ~$4.00 | ~$31.00 |
| $5,000 | ~$175.00 | ~$20.00 | ~$155.00 |
These figures are illustrative based on the rate structure above. Your exact numbers depend on the live spread, your funding method, and your volume tier, so confirm them at checkout.
Why Instant Buy costs so much more
Three things drive the gap.
The spread is invisible. Instant Buy shows you one all-in price. The difference between what you pay and the true market mid-price is a cost you never see itemized. On Pro, you see the order book and the live bid/ask, so the spread is transparent.
Card processing is expensive. Funding an instant purchase with a debit or credit card layers on a processing fee that can add several percentage points. This is a payment-network cost, not unique to Kraken, but it is fully avoided when you fund with a bank transfer and trade on Pro.
You pay for simplicity. The flat trading fee on the simple flow is higher than the Pro maker/taker base. You are paying a premium for one tap instead of one order ticket.
A useful caution from the Consumer Financial Protection Bureau: crypto-asset products often carry costs and risks that are not obvious at the point of purchase, and consumers should understand fees before transacting. The hidden spread is a textbook example.
How Pro volume tiers change the math
Kraken Pro fees fall as your rolling 30-day trading volume rises. The base tier near 0.25/0.40 percent is the ceiling, not the floor. As volume climbs through successive tiers, both maker and taker rates step down, reaching very low maker rates and single-digit-basis-point taker rates at the highest published tiers (verify the current tier table against Kraken’s fee schedule).
Two points matter for most readers:
- Casual buyers rarely leave the base tier. If you buy a few hundred dollars a month, you will pay the base maker/taker rate. That is fine, because even the base rate is a fraction of Instant Buy.
- Instant Buy volume does not count. Purchases made through the simple flow generally do not advance you down the Pro volume ladder. Only Pro trades build tier progress, so staying on the convenient flow costs you twice: higher fees now and no progress toward lower fees later.
Where Kraken+ fits in
Kraken+ is a paid subscription (around $4.99 per month, verify current pricing) that can waive the flat trading fee on the simple buy/sell flow up to a capped amount of monthly volume, often cited near $10,000.
Read the fine print before assuming it closes the gap:
- It waives the flat trading fee, not the spread or card processing fee. Those still apply on Instant Buy.
- It applies to the app and web simple flow, not to Kraken Pro pricing, which is a separate structure.
- It has a monthly volume cap. Above the cap, normal fees resume.
So Kraken+ can be worth it for someone who makes frequent small bank-funded purchases on the simple flow. It is not a substitute for trading on Pro, and it does not make Instant Buy as cheap as a Pro market order.
Decision framework: which path to use
Use this quick rule set.
- You want the lowest possible cost and can spend two extra minutes: Use Kraken Pro with a bank-funded balance. This wins for almost any amount above a small purchase.
- You buy small amounts frequently on the simple flow and value one tap: Consider Kraken+ to waive the flat fee, but accept that the spread remains.
- You are funding with a card right now and want crypto immediately: Instant Buy is the convenient choice, but it is the most expensive. Recognize you are paying a premium of roughly 9x to 14x versus Pro.
- You plan to buy regularly: Move to Pro and let your volume start counting toward lower tiers.
Step by step: place the same buy on Kraken Pro
This uses your existing verified account. No new sign-up.
- Fund with a bank transfer. In your Kraken account, deposit USD (or your local currency) via bank transfer rather than card. This avoids the card processing fee entirely. Allow time for the transfer to settle.
- Open Kraken Pro. From the app or web, switch to the Pro interface. It is the same login and the same balance.
- Select the trading pair. Choose the asset paired with the currency you funded, for example a BTC/USD pair.
- Choose your order type. A market order fills immediately at the taker rate. A limit order set at or below the current ask can fill at the lower maker rate, but it may not fill instantly.
- Enter the amount and review the fee. Pro displays the maker/taker fee before you confirm. Compare it to what Instant Buy quoted you.
- Place the order. Confirm. Your crypto settles into the same wallet you already use.
That single change, bank funding plus a Pro order ticket, is what converts a roughly 3.5 percent cost into a roughly 0.25 to 0.40 percent cost.
The bottom line
Instant Buy is built for convenience, and you pay heavily for it. Kraken Pro is the same account with a transparent fee that runs about 9x to 14x cheaper on the identical purchase. Volume tiers can push Pro costs even lower over time, while Kraken+ trims (but does not eliminate) the cost of the simple flow. For anyone buying more than pocket change, the Pro route is the clear winner. Always confirm the live spread and current rates before you confirm any order, because crypto pricing and fee schedules change.