# Coastful vs Inflation Simulator

The clearest difference is ads: Coastful at none against Inflation Simulator's shown. Inflation Simulator's advantage is iOS requirement (15.6 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Coastful sells 2 in-app purchases, starting at $1.99 per month and Inflation Simulator sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

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

## The numbers

| Metric | Coastful | Inflation Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/coastful-fire-calculator/id6769537698/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 76 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZW Studio LLC](https://appshunter.io/developer/1896285113) | [Fumihiko Hatta](https://appshunter.io/developer/1848713763) |

## What reviewers say

### 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 |


### Inflation Simulator

[App page](https://appshunter.io/ios/app/inflation-simulator/id6797600075)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムアドバイス 月額プラン | $1.99 | per month |
| Premium Advice Yearly Plan | $19.99 | per year |
| Premium AI Diagnostic Gen-Ticket | $2.99 | one-time |


## Frequently asked questions

### Is Coastful free?

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

### Is Inflation Simulator free?

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

### Do Coastful or Inflation Simulator have ads?

Inflation Simulator shows ads; Coastful does not.

### Which is updated more often, Coastful or Inflation Simulator?

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

---

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