# NumberSlam® vs Schulte Table Focus Trainer

The clearest difference is update cadence: NumberSlam® at every 6 days against Schulte Table Focus Trainer's every 2 weeks. NumberSlam® also leads on iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. NumberSlam® sells 1 one-off in-app purchase and Schulte Table Focus Trainer sells 1 in-app purchase, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

NumberSlam® ships an update every 6 days, Schulte Table Focus Trainer every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | NumberSlam® | Schulte Table Focus Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (8 ratings)](https://appshunter.io/ios/app/numberslam/id1618839777/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 31 MB | 1 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PIRUX, LLC](https://appshunter.io/developer/1618629503) | [广顺 王](https://appshunter.io/developer/1896763211) |

## What reviewers say

### NumberSlam®

[App page](https://appshunter.io/ios/app/numberslam/id1618839777)

This is a fast-paced mental math game designed to enhance your calculation skills on mobile. It's a digital adaptation of a popular classroom game, offering an engaging way to practice math for fun or improvement. The game is ad-free and tracks no user data for a safe, distraction-free experience.

**Highlights:** Improves mental math skills, Engaging and fast-paced gameplay, Digital remake of a popular classroom game, Ad-free experience, Tracking-free for user privacy, Suitable for practice or fun

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Activate NumberSlam | $7.99 | one-time |


### Schulte Table Focus Trainer

[App page](https://appshunter.io/ios/app/schulte-table-focus-trainer/id6771820769)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FocusCells Pro Annual | $4.99 | per year |


## Frequently asked questions

### Is NumberSlam® free?

NumberSlam® is free to download, with in-app purchases available.

### Is Schulte Table Focus Trainer free?

Schulte Table Focus Trainer is free to download, with in-app purchases available.

### Do NumberSlam® or Schulte Table Focus Trainer have ads?

Neither NumberSlam® nor Schulte Table Focus Trainer shows ads.

### Which is updated more often, NumberSlam® or Schulte Table Focus Trainer?

NumberSlam® ships an update every 6 days, and Schulte Table Focus Trainer every 2 weeks. Most recently, NumberSlam® was updated on October 24, 2026 and Schulte Table Focus Trainer on October 24, 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.*