# Moleculator vs Mental Math

The clearest difference is review sentiment: Moleculator at 50% against Mental Math's 0%. Moleculator also leads on rating (5.0 vs 3.5) and in-app purchases (none vs 3). Mental Math's advantage is update cadence (weekly vs monthly). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Mental Math sells 3 in-app purchases, starting at $5.99 per month. Moleculator asks for nothing beyond the download.

Moleculator holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews point the same way: 50% of Moleculator's written reviews are positive against 0% of Mental Math's.

Moleculator ships an update monthly, Mental Math weekly. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Moleculator | Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/moleculator/id642455598/reviews)** | [3.5 (4 ratings)](https://appshunter.io/ios/app/mental-math-focus-trainer/id6757860865/reviews) |
| Number of ratings | 3 | **4** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 1 MB | 11 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Emil Mikkelsen](https://appshunter.io/developer/642455601) | [Denys Kotenko](https://appshunter.io/developer/1869320256) |

## 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


### Mental Math

[App page](https://appshunter.io/ios/app/mental-math-focus-trainer/id6757860865)

Enhance concentration and mental speed with daily mental math exercises. This app offers a minimalist approach to brain training, helping you prepare for deep work, studying, or important meetings. Track your progress and customize sessions to improve focus and cognitive clarity.

**Highlights:** Performance testing, Mental math training (add, subtract, multiply, divide), Customizable exercises, Progress tracking, Minimalist design, Focus improvement

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly: Focus & Mental Math | $5.99 | per month |
| Pro Yearly: Focus & Mental Math | $24.99 | per year |
| Pro Lifetime: Focus & Mental Math | $49.99 | one-time |


## Frequently asked questions

### Is Moleculator free?

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

### Is Mental Math free?

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

### Which has better reviews, Moleculator or Mental Math?

Moleculator is rated higher. Moleculator averages 5.0 out of 5 from 3 ratings, while Mental Math averages 3.5 from 4 ratings.

### Do Moleculator or Mental Math have ads?

Neither Moleculator nor Mental Math shows ads.

### Which is updated more often, Moleculator or Mental Math?

Moleculator ships an update monthly, and Mental Math weekly. Most recently, Moleculator was updated on October 5, 2026 and Mental Math on October 7, 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.*