# Mental Math Practice vs Murf Planet

Mental Math Practice and Murf Planet are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Mental Math Practice sells 9 in-app purchases, starting at $2.99 per 7 days and Murf Planet sells 10 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Mental Math Practice ships an update every 4 weeks, Murf Planet every 2 weeks. The most recent releases landed on November 7, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Mental Math Practice | Murf Planet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mental-math-practice-1x1/id1580519521/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 29 MB | 104 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Florian Schweizer](https://appshunter.io/developer/1142213239) | [Al now AG](https://appshunter.io/developer/1739159525) |

## What reviewers say

### Mental Math Practice

[App page](https://appshunter.io/ios/app/mental-math-practice-1x1/id1580519521)

Sharpen your mental math skills with quick, focused practice sessions. Covers addition, subtraction, multiplication, and division across various number ranges and difficulty levels. Includes a home screen widget for hourly math drills.

**Highlights:** Addition, subtraction, multiplication, division, Multiple difficulty levels, Customizable number ranges, Distraction-free interface, Home screen widget, Progress tracking

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Weekly) | $2.99 | per 7 days |
| Pro (Yearly) | $19.99 | per year |
| Division Operator | $0.99 | one-time |
| Numbers up to 1000 | $0.99 | one-time |
| Sine Operator | $0.99 | one-time |
| Cosine Operator | $0.99 | one-time |
| Logarithm Operator | $0.99 | one-time |
| Percent Operator | $0.99 | one-time |
| All Operators | $2.99 | one-time |


### Murf Planet

[App page](https://appshunter.io/ios/app/murf-planet/id6497792129)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $4.99 | per month |
| Premium | $9.99 | per month |
| 15 Diamonds | $0.49 | one-time |
| 50 Diamonds | $0.99 | one-time |
| 100 Diamonds | $1.99 | one-time |
| 100 Credits | $2.99 | one-time |
| 200 Diamonds | $3.99 | one-time |
| 300 Diamonds | $4.99 | one-time |
| 250 Credits | $5.99 | one-time |
| 500 Credits | $9.99 | one-time |


## Frequently asked questions

### Is Mental Math Practice free?

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

### Is Murf Planet free?

Murf Planet is free to download, with in-app purchases available.

### Do Mental Math Practice or Murf Planet have ads?

Neither Mental Math Practice nor Murf Planet shows ads.

### Which is updated more often, Mental Math Practice or Murf Planet?

Mental Math Practice ships an update every 4 weeks, and Murf Planet every 2 weeks. Most recently, Mental Math Practice was updated on November 7, 2026 and Murf Planet on October 27, 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.*