Comparison

91 Payments vs WhaleSpy

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

Head to head
About

91 Payments

Features
Read full description

91 Payments offers a licensed environment for executing cross-border transactions. From supply chain payments to partner settlements, our infrastructure ensures your funds move securely and compliantly across borders.

About

WhaleSpy

Features
Read full description

WhaleSpy is a mobile dashboard for tracking major DeFi whale positions and monitoring liquidation risk Designed for DeFi users who want to understand on-chain risk dynamics, WhaleSpy provides a clear view of large lending positions, collateral structures, and health factors โ€” all in one place. Key Features 1. Whale Position Tracking Monitor large Aave lending positions with detailed collateral and debt breakdowns. 2. Liquidation Risk Overview Identify positions with elevated liquidation risk based on health factors and protocol parameters. 3. Critical Position Highlighting Quickly spot high-risk whale positions using clear visual indicators. 4. Protocol-Level Insights View aggregated statistics such as popular collateral assets and debt distribution. 5. Mobile-First Experience A clean, focused interface designed for fast checks during volatile market conditions.

Screenshots

91 Payments4 screens
WhaleSpy4 screens

Verdict

The call

The clearest difference is update cadence: WhaleSpy at every 2 days against 91 Payments's every 3 weeks. 91 Payments's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.6). On price, ads and in-app purchases 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

91 Payments ships an update every 3 weeks, WhaleSpy every 2 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

Scorecard3 real differences ยท 3 level
91 Payments versus WhaleSpy: the parameters behind the verdict, then further details
Parameter91 PaymentsWhaleSpy
PriceFreeFree
Update frequencyEvery 3 weeksEvery 2 days โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone
Requires iOS15.1 โ€” better17.6
Further details โ€” not scored
Size28 MB5 MB
Age rating4+4+
DeveloperGREY INVENT TECHNOLOGY LIMITEDSoon Chan Hwang

In-app purchases

None

91 Payments

No in-app purchases

None

WhaleSpy

No in-app purchases

Questions

Is 91 Payments free?
91 Payments is free to download, with no in-app purchases.
Is WhaleSpy free?
WhaleSpy is free to download, with no in-app purchases.
Do 91 Payments or WhaleSpy have ads?
Neither 91 Payments nor WhaleSpy shows ads.
Which is updated more often, 91 Payments or WhaleSpy?
91 Payments ships an update every 3 weeks, and WhaleSpy every 2 days. Most recently, 91 Payments was updated on October 30, 2026 and WhaleSpy on October 28, 2026.

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