Comparison

Moon vs WhaleSpy

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

Head to head
About

Moon

Read full description

Tired of unexpected charges on your bank statement? Meet Moon, the most intuitive and private subscription manager designed to help you track spending and never pay for a forgotten trial again. Unlike other finance apps, Moon puts your privacy first. No accounts, no logins, and no bank linking required. Moon runs 100% offline, meaning your data never leaves your device. Just add your subscriptions in seconds and see exactly where your money goes. β€’ All Subscriptions in One Place: A beautiful dashboard to visualize your monthly and yearly commitments. β€’ Smart Billing Reminders: Get notified before a payment is due or a free trial expires. β€’ Free Trial Tracker: Add trials and get a "cancel alert" so you’re never charged unexpectedly. β€’ 100% Private & Offline: No accounts needed. Your data stays on your phone, not on a server.Β  β€’ Monthly Budget: Set a monthly budget and track how much your recurring bills take out of your limit.Β  β€’ Categories: Organize your bills and subscriptions exactly the way you want. From students managing streaming services to professionals tracking SaaS tools, Moon is built for anyone who wants to simplify their financial life and stop "subscription creep." Free to use. Forever. All core features at no cost. Upgrade to Moon Premium to unlock unlimited subscriptions, custom budget settings, and optional iCloud sync. Best of all? Pay once, own it foreverβ€”no recurring subscription required. Download Moon today and start saving!

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 β€” 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

Moon4 screens
WhaleSpy4 screens

Verdict

The call

The clearest difference is in-app purchases: WhaleSpy at none against Moon's 4. WhaleSpy also leads on update cadence (every 2 days vs fortnightly). Moon's advantage is iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Moon sells 4 one-off in-app purchases. WhaleSpy asks for nothing beyond the download.

UpkeepUpdate frequency

Moon ships an update fortnightly, WhaleSpy every 2 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard3 real differences Β· 3 level
Moon versus WhaleSpy: the parameters behind the verdict, then further details
ParameterMoonWhaleSpy
PriceFreeFree
Update frequencyFortnightlyEvery 2 days β€” better
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPod β€” betteriPhone
Requires iOS15.1 β€” better17.6
Further details β€” not scored
Size27 MB5 MB
Age rating12+4+
DeveloperMartin JirickaSoon Chan Hwang

In-app purchases

4 purchases

Moon

One-time4
  • Buy me a Coffee$2.99
  • Buy me a Beer$4.99
  • Unlock Moon$5.99
Show 1 more
  • Buy me a Lunch$9.99
None

WhaleSpy

No in-app purchases

Questions

Is Moon free?
Moon is free to download, with in-app purchases available.
Is WhaleSpy free?
WhaleSpy is free to download, with no in-app purchases.
Do Moon or WhaleSpy have ads?
Neither Moon nor WhaleSpy shows ads.
Which is updated more often, Moon or WhaleSpy?
Moon ships an update fortnightly, and WhaleSpy every 2 days. Most recently, Moon was updated on October 25, 2026 and WhaleSpy on October 28, 2026.

Other comparisons