# CompoundIQ vs Coastful

The clearest difference is in-app purchases: CompoundIQ at none against Coastful's 2. CompoundIQ also leads on update cadence (every 6 days vs fortnightly). Coastful's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Coastful sells 2 in-app purchases, starting at $1.99 per month. CompoundIQ asks for nothing beyond the download.

CompoundIQ ships an update every 6 days, Coastful fortnightly. Both last shipped on October 25, 2026.

## The numbers

| Metric | CompoundIQ | Coastful |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 12 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nicholas Costa](https://appshunter.io/developer/1888159762) | [ZW Studio LLC](https://appshunter.io/developer/1896285113) |

## What reviewers say

### CompoundIQ

[App page](https://appshunter.io/ios/app/compoundiq-future-value/id6761183918)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 CompoundIQ free?

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

### Is Coastful free?

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

### Do CompoundIQ or Coastful have ads?

CompoundIQ shows ads; Coastful does not.

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

CompoundIQ ships an update every 6 days, and Coastful fortnightly. Most recently, CompoundIQ was updated on October 25, 2026 and Coastful 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.*