# FIRECalc vs Investment Optimization

The clearest difference is update cadence: FIRECalc at every 4 days against Investment Optimization's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. FIRECalc sells 2 in-app purchases, starting at $9.99 per month and Investment Optimization sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

FIRECalc ships an update every 4 days, Investment Optimization fortnightly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FIRECalc | Investment Optimization |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (10 ratings)](https://appshunter.io/ios/app/firecalc-retirement-planner/id6757997278/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Freemium | — |
| Size | 17 MB | 37 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Timothy DeGraff](https://appshunter.io/developer/1870176001) | [Optimization Tools LLC](https://appshunter.io/developer/1884494805) |

## What reviewers say

### FIRECalc

[App page](https://appshunter.io/ios/app/firecalc-retirement-planner/id6757997278)

This app simulates thousands of market scenarios to provide customized retirement planning. It helps you determine your exact retirement age, safe annual budget, and optimal withdrawal strategy across various assets, factoring in potential government aid.

**Highlights:** Thousands of market simulations, Customized retirement runway, Smart drawdown strategy, Government aid factoring, Multi-asset tracking, Flexible budget scenarios

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Access | $9.99 | per month |
| Premium Monthly Access | $79.99 | per year |


### Investment Optimization

[App page](https://appshunter.io/ios/app/investment-optimization/id6760441967)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $7.99 | per month |
| Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is FIRECalc free?

FIRECalc is free to download, with in-app purchases available.

### Is Investment Optimization free?

Investment Optimization is free to download, with in-app purchases available.

### Do FIRECalc or Investment Optimization have ads?

Neither FIRECalc nor Investment Optimization shows ads.

### Which is updated more often, FIRECalc or Investment Optimization?

FIRECalc ships an update every 4 days, and Investment Optimization fortnightly. Most recently, FIRECalc was updated on October 24, 2026 and Investment Optimization on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*