# Moleculator vs Fluid Mechanics Calculator

The clearest difference is price: Moleculator at Free against Fluid Mechanics Calculator's $0.99. Moleculator also leads on update cadence (monthly vs every 35 months) and iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Moleculator is free to download; Fluid Mechanics Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Moleculator ships an update monthly, Fluid Mechanics Calculator every 35 months. The most recent releases landed on October 22, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Moleculator | Fluid Mechanics Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/moleculator/id642455598/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 35 months |
| Monetization | Free | — |
| Size | 1 MB | 8 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Emil Mikkelsen](https://appshunter.io/developer/642455601) | [loay setrak](https://appshunter.io/developer/923932983) |

## What reviewers say

### Moleculator

[App page](https://appshunter.io/ios/app/moleculator/id642455598)

Easily calculate the molecular weight of any compound by entering its chemical formula. This app offers a streamlined interface for quick and accurate results.

**Highlights:** Molar mass calculation, Molecular formula input, Sleek interface, Accurate results, iPhone and iPad support

**Features:** macOS Compatibility

**In-app purchases:** none


### Fluid Mechanics Calculator

[App page](https://appshunter.io/ios/app/fluid-mechanics-calculator/id1297964597)

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

**In-app purchases:** none


## Frequently asked questions

### Is Moleculator free?

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

### Is Fluid Mechanics Calculator free?

Fluid Mechanics Calculator costs $0.99, with no in-app purchases.

### Do Moleculator or Fluid Mechanics Calculator have ads?

Neither Moleculator nor Fluid Mechanics Calculator shows ads.

### Which is updated more often, Moleculator or Fluid Mechanics Calculator?

Moleculator ships an update monthly, and Fluid Mechanics Calculator every 35 months. Most recently, Moleculator was updated on October 22, 2026 and Fluid Mechanics Calculator on October 13, 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.*