# Compound Interest Calc vs Coast FIRE Calculator

The clearest difference is price: Compound Interest Calc at Free against Coast FIRE Calculator's $4.99. Compound Interest Calc also leads on rating (4.8 vs 1.0) and ratings volume (6.7K vs 1). Coast FIRE Calculator's advantage is ads (none vs shown) and update cadence (every 2 days vs every 3 months). On in-app purchases, device support and iOS requirement there is nothing between them.

Compound Interest Calc is free to download; Coast FIRE Calculator costs $4.99 up front. Compound Interest Calc sells 1 one-off in-app purchase and Coast FIRE Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Compound Interest Calc holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Compound Interest Calc has 6.7K ratings behind it against 1, so its average is the more settled of the two.

Compound Interest Calc ships an update every 3 months, Coast FIRE Calculator every 2 days. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Compound Interest Calc | Coast FIRE Calculator |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.8 (6.7K ratings)](https://appshunter.io/ios/app/compound-interest-calc/id1509212588/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/coast-fire-calculator/id6754495451/reviews) |
| Number of ratings | **6.7K** | 1 |
| Positive reviews | 68.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 16 MB | 30 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Dane Hankamer](https://appshunter.io/developer/1509095396) | [Ataraxia Labs](https://appshunter.io/developer/1823083991) |

## What reviewers say

### Compound Interest Calc

[App page](https://appshunter.io/ios/app/compound-interest-calc/id1509212588)

Plan your financial future with a powerful compound interest calculator. It helps you visualize investment growth with periodic contributions and plan retirement withdrawals with inflation adjustments. Offers detailed breakdowns and interactive charts for informed financial decisions.

**Highlights:** Calculate investment growth with contributions, Plan retirement withdrawals with inflation, Interactive growth and depletion charts, Year-by-year detailed breakdowns, Real-time calculations, Works offline

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 🚀 Visually appealing
- 🚀 Helpful for financial planning
- 🚀 Powerful compound interest calculations
- 🚀 Intuitive interface

**What reviewers complain about**

- 🐛 Scaling issues on smaller devices
- 🐛 Inaccurate calculations in certain scenarios
- 🐛 Frequent ads disrupting user experience
- 🐛 Crashing and compatibility issues
- 🐛 Lack of customization options

**Reported bugs**

- Withdrawal calculations showing incorrect results
- App crashing on certain device models
- Scaling issues on iPad devices
- Compound interest calculations not accurate for weekly/monthly contributions

**Requested features**

- Add dividend calculation option
- Allow for daily compound interest calculations
- Implement a save/load feature to retain user inputs
- Add ability to input one-time lump sum contributions
- Provide inflation-adjusted withdrawal calculations


### Coast FIRE Calculator

[App page](https://appshunter.io/ios/app/coast-fire-calculator/id6754495451)

This app helps you calculate the investment amount needed to achieve financial independence by retirement. It models your portfolio growth based on various financial assumptions, allowing you to plan for a secure future.

**Highlights:** Calculate Coast FIRE number, Project year-by-year growth, Compare different scenarios, Track progress towards goals, Save and manage multiple calculations, Flexible retirement age and income planning

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Usage | $8.99 | one-time |


## Frequently asked questions

### Is Compound Interest Calc free?

Compound Interest Calc is free to download, with in-app purchases available.

### Is Coast FIRE Calculator free?

Coast FIRE Calculator costs $4.99, and also offers in-app purchases.

### Which has better reviews, Compound Interest Calc or Coast FIRE Calculator?

Compound Interest Calc is rated higher. Compound Interest Calc averages 4.8 out of 5 from 6.7K ratings, while Coast FIRE Calculator averages 1.0 from 1 ratings.

### Do Compound Interest Calc or Coast FIRE Calculator have ads?

Compound Interest Calc shows ads; Coast FIRE Calculator does not.

### Which is updated more often, Compound Interest Calc or Coast FIRE Calculator?

Compound Interest Calc ships an update every 3 months, and Coast FIRE Calculator every 2 days. Most recently, Compound Interest Calc was updated on November 7, 2026 and Coast FIRE Calculator on November 9, 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.*