# FI Countdown vs Finstery

The clearest difference is in-app purchases: FI Countdown at none against Finstery's 1. FI Countdown also leads on update cadence (every 2 days vs every 2 months) and iOS requirement (18.5 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Finstery sells 1 in-app purchase, starting at $9.99 per month. FI Countdown asks for nothing beyond the download.

FI Countdown ships an update every 2 days, Finstery every 2 months. The most recent releases landed on September 6, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | FI Countdown | Finstery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/finstery/id6757093872/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | — | Freemium |
| Size | 6 MB | 8 MB |
| Requires iOS | **18.5** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Chun](https://appshunter.io/developer/1723908636) | [Nicholas Summers](https://appshunter.io/developer/1143547879) |

## What reviewers say

### FI Countdown

[App page](https://appshunter.io/ios/app/fi-countdown/id6751446629)

**Features:** macOS Compatibility

**In-app purchases:** none


### Finstery

[App page](https://appshunter.io/ios/app/finstery/id6757093872)

This app helps DIY investors and those nearing retirement stress-test their financial plans. It simulates portfolio performance using historical data and Monte Carlo analysis to visualize risk and uncertainty, aiding in the creation of resilient retirement strategies.

**Highlights:** Portfolio creation, Historical backtesting, Monte Carlo simulations, Safe withdrawal rate analysis, Inflation and volatility simulation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Finstery Pro Access | $9.99 | per month |


## Frequently asked questions

### Is FI Countdown free?

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

### Is Finstery free?

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

### Do FI Countdown or Finstery have ads?

Neither FI Countdown nor Finstery shows ads.

### Which is updated more often, FI Countdown or Finstery?

FI Countdown ships an update every 2 days, and Finstery every 2 months. Most recently, FI Countdown was updated on September 6, 2026 and Finstery on June 5, 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.*