# Subtraction Wiz vs Hundreds Chart Deluxe

The clearest difference is update cadence: Subtraction Wiz at every 4 months against Hundreds Chart Deluxe's every 10 months. Hundreds Chart Deluxe's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Subtraction Wiz costs $1.99 and Hundreds Chart Deluxe $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Subtraction Wiz ships an update every 4 months, Hundreds Chart Deluxe every 10 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Subtraction Wiz | Hundreds Chart Deluxe |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/hundreds-chart-deluxe/id1496436080/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 10 months |
| Monetization | — | Paid |
| Size | 12 MB | 45 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPad, Mac, Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [The Rocket Studio](https://appshunter.io/developer/445439580) | [Ventura Educational Systems](https://appshunter.io/developer/371324172) |

## What reviewers say

### Subtraction Wiz

[App page](https://appshunter.io/ios/app/subtraction-wiz/id499526686)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hundreds Chart Deluxe

[App page](https://appshunter.io/ios/app/hundreds-chart-deluxe/id1496436080)

This app provides an interactive 10x10 grid for exploring mathematical concepts. Users can select a starting number, use colored markers to identify patterns, and learn about skip counting, multiplication, division, and prime numbers.

**Highlights:** Interactive hundreds chart, Customizable starting number, Colored markers for patterns, Skip-counting practice, Number pattern exploration, Multiplication and division facts

**In-app purchases:** none


## Frequently asked questions

### Is Subtraction Wiz free?

Subtraction Wiz costs $1.99, with no in-app purchases.

### Is Hundreds Chart Deluxe free?

Hundreds Chart Deluxe costs $1.99, with no in-app purchases.

### Do Subtraction Wiz or Hundreds Chart Deluxe have ads?

Neither Subtraction Wiz nor Hundreds Chart Deluxe shows ads.

### Which is updated more often, Subtraction Wiz or Hundreds Chart Deluxe?

Subtraction Wiz ships an update every 4 months, and Hundreds Chart Deluxe every 10 months. Most recently, Subtraction Wiz was updated on November 1, 2026 and Hundreds Chart Deluxe on November 3, 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.*