A crypto arbitrage app is a tool that watches the price of the same coin on many exchanges at once and instantly shows you where it is cheaper and where it is more expensive — so you can buy low on one and sell high on another.
Doing this by hand is impossible: prices on Binance, Bybit, OKX and a dozen other exchanges change every second, and a gap that looks like easy money often disappears after fees. A good crypto arbitrage app does the watching, the math and the net-profit calculation for you, in real time. This page explains what these apps actually do, the different kinds you'll find, how to use one safely, how to avoid the many fake 'arbitrage apps' that are really scams — and how ArbiScreen fits in.
What a Crypto Arbitrage App Actually Does
Strip away the marketing and every genuine crypto arbitrage app does four jobs. If a tool skips any of them, it isn't really helping you make money — it's just showing you numbers.
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Collects live prices
Pulls the current price of each coin from many exchanges at the same time, refreshing every few seconds so the data isn't stale.
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Measures the gap
Compares those prices and calculates the spread — the percentage difference between the cheapest and most expensive venue.
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Subtracts the costs
Deducts trading fees, withdrawal fees and network gas so you see the net profit, not the misleading gross gap.
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Flags the good ones
Sorts opportunities by real profit and (in better apps) alerts you the moment a worthwhile gap appears.
The one rule beginners must remember
A 3% spread on the screen is not 3% profit. You pay a trading fee to buy, a trading fee to sell, and often a withdrawal fee to move the coin between exchanges. A trustworthy app shows the number after all of that. If an app only shows the big gross percentage, treat it with suspicion.
The Types of Crypto Arbitrage App
'App' can mean several different things. Understanding the categories helps you pick the right one and keeps you safe.
| Type | What it is | Good for | Watch out for |
|---|
| Scanner / screener (web app) | Shows live price gaps across exchanges; you place trades yourself | Beginners, learning, full control | Nothing — this is the safest, most transparent type |
| Signal / alert app | Sends you a message (often Telegram) when a gap appears | People who can't watch a screen all day | Fake 'guaranteed profit' channels |
| Trading bot | Connects to your exchange via API and trades automatically | Advanced users who understand the risks | Apps that ask for withdrawal permissions |
| 'Investment' app | Promises fixed daily returns for a deposit | Nobody | Almost always a scam — see below |
Web App, Mobile or Desktop — Which Is Best?
Accessibility matters. You want your arbitrage app reachable wherever you are, because opportunities are short-lived.
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Web app
Opens in any browser on phone or laptop, nothing to install, always up to date. The most flexible option and how ArbiScreen works.
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Mobile app
Convenient for alerts on the go, but small screens make comparing many pairs harder. A good web app on mobile usually does the same job.
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Desktop app
Powerful for advanced users running bots, but ties you to one machine and needs installation and updates.
What to Look For in a Good Crypto Arbitrage App
1
Real-time data across many exchanges
The more exchanges it covers, the more gaps it finds. One or two exchanges is not enough to arbitrage anything.
2
Net-profit calculation
It must subtract fees automatically. This is the single most important feature and the one scam apps skip.
3
Transparency
You should be able to see where the price came from and verify it on the exchange yourself. No black boxes.
4
A free tier
You should be able to test the tool and see live opportunities before paying anything.
5
No custody of your funds
A legitimate scanner or signal app never holds your money. Your coins stay on your own exchange accounts.
⚠️ How to Spot a Fake Crypto Arbitrage App
Search 'crypto arbitrage app' and you'll find dozens of apps promising 'guaranteed 2% daily' or asking you to deposit funds into the app itself. These are the classic warning signs of a scam:
Red flags — walk away if you see these
• Promises of fixed or guaranteed daily returns (real arbitrage is variable and never guaranteed). • Asks you to deposit money into the app instead of trading on your own exchange. • Requires withdrawal API permissions (a scanner only needs read access, if any). • Pressure to recruit friends for bonuses (that's a pyramid). • No way to verify the prices independently.
A genuine arbitrage app is a window onto the market — it shows you information and leaves your money where it is safe. If an app wants to hold your funds and promises easy returns, it is not an arbitrage tool.
The ArbiScreen App — Free, Web-Based, 17 Exchanges
ArbiScreen is a web-based crypto arbitrage app you can open right now in any browser — no download, no deposit, nothing to install. It streams live prices across 17 exchanges, calculates net profit after every fee, and sorts opportunities so the best ones sit at the top. It covers spot spreads, spot-futures gaps, funding rates and regional (geo) premiums in one place. Your funds always stay on your own exchange accounts — ArbiScreen never touches them.
The free tier shows live top opportunities so you can see exactly how it works before deciding anything. Pro unlocks the full list, all exchanges and real-time alerts.
How to Use a Crypto Arbitrage App — Step by Step
1
Open the app and pick a market
Start with spot spreads — the simplest form. ArbiScreen shows them by default, sorted by net profit.
2
Read the net number, not the gross
Look at the profit-after-fees column. That's your real edge. Ignore any headline gap that hasn't had costs removed.
3
Check liquidity and withdrawal networks
Make sure the coin can actually be moved between the two exchanges cheaply and that there's enough volume to fill your order.
4
Act quickly or set an alert
Gaps close fast. Either execute both legs promptly or let the app alert you when a fresh one appears.
5
Start small
Trade a small amount first to learn the mechanics — fees, transfer times, order fills — before scaling up.
Related Tools & Guides
Frequently Asked Questions
What is a crypto arbitrage app?▼
It is a tool that monitors the price of the same cryptocurrency across many exchanges simultaneously and shows you where it is cheaper and where it is more expensive, so you can buy low on one exchange and sell high on another. Good apps also subtract trading and withdrawal fees to show your real net profit.
Is there a free crypto arbitrage app?▼
Yes. ArbiScreen offers a free web-based tier that shows live top arbitrage opportunities across exchanges with net-profit figures, so you can start without paying. Paid plans unlock the full opportunity list, all exchanges and real-time alerts.
Are crypto arbitrage apps safe?▼
Legitimate scanner and signal apps are safe because they never hold your money — your funds stay on your own exchange accounts and the app only shows information. Be very cautious with any 'app' that asks you to deposit funds or promises guaranteed daily returns; those are typically scams.
Do I need to install anything?▼
Not with a web app. ArbiScreen runs in any browser on phone or computer, so there's nothing to download and it's always up to date. Some advanced trading-bot apps are desktop software, but a scanner does not need installation.
Can a crypto arbitrage app trade for me automatically?▼
Some apps (trading bots) connect to your exchange via API and place trades for you, but they carry extra risk and should only use read/trade permissions — never withdrawal access. A scanner like ArbiScreen shows the opportunities and you place the trades yourself, which is simpler and safer for beginners.
How much money do I need to use one?▼
You can watch and learn with any amount. Real net profit becomes meaningful from around a few hundred to a thousand dollars, because fixed fees eat small trades. The app itself is free to explore, so you can study opportunities before committing capital.
