# FIRE_Calculator vs DueScope

The clearest difference is update cadence: DueScope at every 3 weeks against FIRE_Calculator's every 10 months. FIRE_Calculator's advantage is iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

FIRE_Calculator ships an update every 10 months, DueScope every 3 weeks. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FIRE_Calculator | DueScope |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fire-calculator/id6751175936/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 6 MB | 41 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Feng chen](https://appshunter.io/developer/1833687430) | [Stephan Mett](https://appshunter.io/developer/1844459338) |

## What reviewers say

### FIRE_Calculator

[App page](https://appshunter.io/ios/app/fire-calculator/id6751175936)

Visualize your savings and investments growing over time to determine if you are on track for early retirement. Input your financial details and goals to project your future wealth and assess your Financial Independence, Retire Early (FIRE) progress.

**Highlights:** Calculate investment growth, Set annual return rates, Add contributions, Project compound growth, Set retirement goals, Visualize financial path, Assess FIRE readiness

**Features:** macOS Compatibility

**In-app purchases:** none


### DueScope

[App page](https://appshunter.io/ios/app/duescope/id6754844964)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FIRE_Calculator free?

FIRE_Calculator is free to download, with no in-app purchases.

### Is DueScope free?

DueScope is free to download, with no in-app purchases.

### Do FIRE_Calculator or DueScope have ads?

Neither FIRE_Calculator nor DueScope shows ads.

### Which is updated more often, FIRE_Calculator or DueScope?

FIRE_Calculator ships an update every 10 months, and DueScope every 3 weeks. Most recently, FIRE_Calculator was updated on October 17, 2026 and DueScope 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.*