# simpleFIRE vs Coastful

The clearest difference is update cadence: simpleFIRE at every 6 days against Coastful's fortnightly. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. simpleFIRE sells 1 one-off in-app purchase and Coastful sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for simpleFIRE against 5.0 for Coastful. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

simpleFIRE ships an update every 6 days, Coastful fortnightly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | simpleFIRE | Coastful |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/simplefire-fire-calculator/id6504460384/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/coastful-fire-calculator/id6769537698/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 3 MB | 12 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DAWID MICHAL MILCZAREK](https://appshunter.io/developer/1752376249) | [ZW Studio LLC](https://appshunter.io/developer/1896285113) |

## What reviewers say

### simpleFIRE

[App page](https://appshunter.io/ios/app/simplefire-fire-calculator/id6504460384)

Effortlessly plan your financial future with intuitive sliders and advanced settings. This ad-free calculator keeps your data private and secure on your device, offering a one-time purchase for lifetime access to all features.

**Highlights:** Intuitive sliders for financial input, Compound interest calculation, Advanced settings (withdrawal rates, inflation), Ad-free experience, One-time payment for lifetime access, Privacy-focused, no data collection

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| simpleFIRE Premium | $24.99 | one-time |


### Coastful

[App page](https://appshunter.io/ios/app/coastful-fire-calculator/id6769537698)

Calculate your exact retirement or Coast FIRE year based on your real expenses, portfolio allocation, and chosen assumptions. Model inflation, run what-if scenarios, and track your net worth with this offline, privacy-focused financial planning tool.

**Highlights:** Customizable FIRE year projection, Personalized Safe Withdrawal Rate (SWR), Net worth tracking with history, Real-dollar inflation modeling, What-if scenario analysis, Offline functionality, Privacy-focused design

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coastful Pro (Monthly) | $1.99 | per month |
| Coastful Pro (Lifetime) | $19.99 | one-time |


## Frequently asked questions

### Is simpleFIRE free?

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

### Is Coastful free?

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

### Which has better reviews, simpleFIRE or Coastful?

simpleFIRE and Coastful are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do simpleFIRE or Coastful have ads?

Neither simpleFIRE nor Coastful shows ads.

### Which is updated more often, simpleFIRE or Coastful?

simpleFIRE ships an update every 6 days, and Coastful fortnightly. Most recently, simpleFIRE was updated on November 8, 2026 and Coastful on October 31, 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.*