# Fumicalc vs TrollDepth

The clearest difference is price: Fumicalc at Free against TrollDepth's $4.99. TrollDepth's advantage is update cadence (every 3 weeks vs every 5 months) and chart position (#200 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Fumicalc is free to download; TrollDepth costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Fumicalc ships an update every 5 months, TrollDepth every 3 weeks. Both last shipped on October 4, 2026.

## The numbers

| Metric | Fumicalc | TrollDepth |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fumicalc/id968243920/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | — |
| Best chart rank | — | **#200** |
| Size | 22 MB | 5 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ensystex , Inc](https://appshunter.io/developer/968243919) | [Matthew Frost](https://appshunter.io/developer/6776035082) |

## What reviewers say

### Fumicalc

[App page](https://appshunter.io/ios/app/fumicalc/id968243920)

This utility quickly calculates doses for monitored and unmonitored applications. It simplifies the process of determining correct dosages for various uses.

**Highlights:** Quick dose computation, Supports monitored applications, Supports unmonitored applications, Easy to use interface

**Features:** macOS Compatibility

**In-app purchases:** none


### TrollDepth

[App page](https://appshunter.io/ios/app/trolldepth/id6776035080)

**Currently charting:** #200 Top Paid · Utilities (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fumicalc free?

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

### Is TrollDepth free?

TrollDepth costs $4.99, with no in-app purchases.

### Do Fumicalc or TrollDepth have ads?

Neither Fumicalc nor TrollDepth shows ads.

### Which is updated more often, Fumicalc or TrollDepth?

Fumicalc ships an update every 5 months, and TrollDepth every 3 weeks. Most recently, Fumicalc was updated on October 4, 2026 and TrollDepth on October 4, 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.*