Comparison

Whale Tools vs SizeRight

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

Head to head
About

Whale Tools

Features
Read full description

Whale Tools is a focused calculator suite for trading decisions across crypto, stocks, futures, and any market you trade. Plan entries, exits, position size, liquidation risk, average-down scenarios, fees, and funding costs before you place a trade. Keep your assumptions visible so every decision starts from numbers, not impulse. What you can do: - Calculate position size from risk and stop loss - Estimate liquidation prices before opening a leveraged position - Preview P&L, break-even, targets, and exits - Simulate average-down scenarios in real time - Estimate fees and funding costs Whale Tools does not execute trades, provide financial services, or offer investment advice. It is a calculation and planning tool.

About

SizeRight

Features
Read full description

SizeRight is a focused futures position-size calculator for active traders. Enter your account size, risk percentage, and stop distance in ticks to estimate the maximum contract count before you place a trade. Use SizeRight to: - Calculate futures position size from account size, risk %, and stop distance - See estimated contract count, dollar risk, and stop cost per contract - View stop distance in points alongside contract details - Work with free micro futures including MNQ, MES, M2K, MGC, MCL, MYM, MBT, and SIL - Unlock 20 additional full-size and specialist contracts with Pro - Use exchange-based specs for CME, CBOT, COMEX, and NYMEX markets - Keep calculations on-device with no login required Built for futures day traders, micro futures traders, funded-account traders, and anyone who wants to plan risk before entering a trade. SizeRight is a reference tool only. It does not place trades or connect to a broker. Verify current contract specifications, margin requirements, fees, slippage, and exchange rules with your broker before trading.

Screenshots

Whale Tools4 screens
SizeRight4 screens

Verdict

The call

The clearest difference is update cadence: SizeRight at every 3 weeks against Whale Tools's every 7 months. SizeRight also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Whale Tools ships an update every 7 months, SizeRight every 3 weeks. The most recent releases landed on August 22, 2026 and September 20, 2026 respectively.

Scorecard2 real differences ยท 4 level
Whale Tools versus SizeRight: the parameters behind the verdict, then further details
ParameterWhale ToolsSizeRight
PriceFreeFree
Update frequencyEvery 7 monthsEvery 3 weeks โ€” better
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS17.015.1 โ€” better
Further details โ€” not scored
Size50 MB26 MB
Age rating4+17+
DeveloperJun KimAlexander Bacsa

In-app purchases

None

Whale Tools

No in-app purchases

None

SizeRight

No in-app purchases

Questions

Is Whale Tools free?
Whale Tools is free to download, with no in-app purchases.
Is SizeRight free?
SizeRight is free to download, with no in-app purchases.
Do Whale Tools or SizeRight have ads?
Both Whale Tools and SizeRight show ads.
Which is updated more often, Whale Tools or SizeRight?
Whale Tools ships an update every 7 months, and SizeRight every 3 weeks. Most recently, Whale Tools was updated on August 22, 2026 and SizeRight on September 20, 2026.

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