# Force Converter vs Fogstar

The clearest difference is price: Fogstar at Free against Force Converter's $1.99. Fogstar also leads on update cadence (every 4 days vs every 38 months). Force Converter's advantage is iOS requirement (13.4 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Fogstar is free to download; Force Converter costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Force Converter ships an update every 38 months, Fogstar every 4 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Force Converter | Fogstar |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/force-converter/id1540754517/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 4 days** |
| Monetization | Paid | — |
| Size | 0 MB | 26 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Anna Filobok](https://appshunter.io/developer/1613515832) | [Fogstar Drift](https://appshunter.io/developer/1642643716) |

## What reviewers say

### Force Converter

[App page](https://appshunter.io/ios/app/force-converter/id1540754517)

Easily convert force measurements between various units including Newton, kilonewton, ton-force, kilogram-force, and pound-force. Ideal for physicists, builders, and engineers needing quick and accurate conversions.

**Highlights:** Convert Newton (N), Convert kilonewton (kN), Convert ton-force (tf), Convert kilogram-force (kgf), Convert pound-force (lbf), Fast and accurate conversions

**Features:** macOS Compatibility

**In-app purchases:** none


### Fogstar

[App page](https://appshunter.io/ios/app/fogstar/id6738583949)

**In-app purchases:** none


## Frequently asked questions

### Is Force Converter free?

Force Converter costs $1.99, with no in-app purchases.

### Is Fogstar free?

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

### Do Force Converter or Fogstar have ads?

Neither Force Converter nor Fogstar shows ads.

### Which is updated more often, Force Converter or Fogstar?

Force Converter ships an update every 38 months, and Fogstar every 4 days. Most recently, Force Converter was updated on November 3, 2026 and Fogstar on October 30, 2026.

---

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