Comparison

Asset Trend Simulator vs FIRE Countdown

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

Head to head
About

Asset Trend Simulator

Features
Read full description

Picture your financial future in seconds. Asset Trend Simulator projects your net worth month by month — from today through retirement — based on your household cash flow, assets and assumptions. Tap one of the built-in sample cases (Fresh Graduate, DINKs, Mortgage Family, FIRE, Pre-Retirement) and watch decades of growth instantly. Then customize numbers to match your own situation. KEY FEATURES - 5 ready-made sample cases — try the simulator without entering anything - Monthly net worth projection with a single, clear chart - Compare up to 3 scenarios side by side in the Compare view - Income, expense, investment, asset and loan inputs in one place - Adjustable horizon (1–60 years), income growth, inflation, investment return, dividend reinvestment - Compound interest and equal-payment loan amortization - Yearly / monthly toggle with a detailed data table - Save, name, load and delete unlimited scenarios (stored locally) - JPY / USD / EUR support - Apple Intelligence on-device AI evaluation (supported devices) GREAT FOR - People aiming for FIRE or early retirement - Anyone considering a mortgage, auto loan or other large purchase - Long-term investors who want to feel the power of compounding - Planning for retirement or education funding PRIVACY All data stays on your device. No accounts, no tracking, no cloud sync. Note: This app is a planning aid only. Please enter take-home (after-tax) figures. It does not provide investment, tax or financial advice.

About

FIRE Countdown

Features
Read full description

"When will I finally have the freedom to choose how I work?" FIRE Countdown is a simulation app designed to answer that question and maximize your motivation for wealth building. Simply input your current assets, monthly contributions, and expected rate of return. The app instantly calculates the "Destined Day" you reach your financial goal in real-time.

Screenshots

Asset Trend Simulator4 screens
FIRE Countdown3 screens

Verdict

The call

The clearest difference is update cadence: Asset Trend Simulator at every 2 days against FIRE Countdown's every 2 weeks. FIRE Countdown's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Asset Trend Simulator ships an update every 2 days, FIRE Countdown every 2 weeks. The most recent releases landed on September 18, 2026 and September 29, 2026 respectively.

Scorecard3 real differences · 3 level
Asset Trend Simulator versus FIRE Countdown: the parameters behind the verdict, then further details
ParameterAsset Trend SimulatorFIRE Countdown
PriceFreeFree
Update frequencyEvery 2 days — betterEvery 2 weeks
AdsYesYes
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size5 MB23 MB
Age rating4+4+
DeveloperKenta TakeuchiNaoyuki Maeda

In-app purchases

None

Asset Trend Simulator

No in-app purchases

None

FIRE Countdown

No in-app purchases

Questions

Is Asset Trend Simulator free?
Asset Trend Simulator is free to download, with no in-app purchases.
Is FIRE Countdown free?
FIRE Countdown is free to download, with no in-app purchases.
Do Asset Trend Simulator or FIRE Countdown have ads?
Both Asset Trend Simulator and FIRE Countdown show ads.
Which is updated more often, Asset Trend Simulator or FIRE Countdown?
Asset Trend Simulator ships an update every 2 days, and FIRE Countdown every 2 weeks. Most recently, Asset Trend Simulator was updated on September 18, 2026 and FIRE Countdown on September 29, 2026.

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