# Tricky Words vs Mental Math

The clearest difference is in-app purchases: Tricky Words at none against Mental Math's 2. Tricky Words also leads on update cadence (every 6 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Mental Math sells 2 one-off in-app purchases. Tricky Words asks for nothing beyond the download.

Tricky Words ships an update every 6 days, Mental Math fortnightly. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Tricky Words | Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/mental-math-kalc/id6764098294/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 52 MB | 17 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Moritz Schmittat](https://appshunter.io/developer/1884151292) | [LMT Digital Creations](https://appshunter.io/developer/640455461) |

## What reviewers say

### Tricky Words

[App page](https://appshunter.io/ios/app/tricky-words/id6763272480)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mental Math

[App page](https://appshunter.io/ios/app/mental-math-kalc/id6764098294)

Sharpen your mental math skills with daily practice. This app uses spaced repetition to help you master concepts like fractions, percentages, and algebra. It offers two modes for flexible learning and provides real-life examples of how math is used every day.

**Highlights:** Spaced repetition system (SRS), Covers multiplication, division, fractions, percentages, algebra, Zen and Chrono practice modes, Visible progress tracking, Real-life math examples, Home screen widgets, Customizable reminders

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plan Annuel | $17.99 | one-time |
| Accès à vie | $29.99 | one-time |


## Frequently asked questions

### Is Tricky Words free?

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

### Is Mental Math free?

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

### Do Tricky Words or Mental Math have ads?

Neither Tricky Words nor Mental Math shows ads.

### Which is updated more often, Tricky Words or Mental Math?

Tricky Words ships an update every 6 days, and Mental Math fortnightly. Most recently, Tricky Words was updated on October 19, 2026 and Mental Math on October 15, 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.*