# Subtraction Wiz vs Goodnight ABC Lite

The clearest difference is update cadence: Subtraction Wiz at every 4 months against Goodnight ABC Lite's every 49 months. Goodnight ABC Lite's advantage is price ($0.99 vs $1.99) and iOS requirement (10.2 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Subtraction Wiz costs $1.99 and Goodnight ABC Lite $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Subtraction Wiz ships an update every 4 months, Goodnight ABC Lite every 49 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Subtraction Wiz | Goodnight ABC Lite |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/goodnight-abc-lite/id555748610/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 49 months |
| Monetization | — | Paid |
| Size | 12 MB | 308 MB |
| Requires iOS | 15.6 | **10.2** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Rocket Studio](https://appshunter.io/developer/445439580) | [Quasar Alliance, Inc](https://appshunter.io/developer/513003031) |

## What reviewers say

### Subtraction Wiz

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Goodnight ABC Lite

[App page](https://appshunter.io/ios/app/goodnight-abc-lite/id555748610)

This interactive educational app teaches young children the alphabet, phonics, and vocabulary through engaging scenes and hundreds of animations. It offers a playful environment with no rules or time limits, fostering imagination and problem-solving skills.

**Highlights:** Teaches ABCs, Phonics, and Vocabulary, Hundreds of interactive elements, 26 pages with original art and animation, Vocabulary and Coloring options, Fosters imagination and problem-solving, Child-friendly interface, No rules or time limits

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Subtraction Wiz free?

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

### Is Goodnight ABC Lite free?

Goodnight ABC Lite costs $0.99, with no in-app purchases.

### Do Subtraction Wiz or Goodnight ABC Lite have ads?

Neither Subtraction Wiz nor Goodnight ABC Lite shows ads.

### Which is updated more often, Subtraction Wiz or Goodnight ABC Lite?

Subtraction Wiz ships an update every 4 months, and Goodnight ABC Lite every 49 months. Most recently, Subtraction Wiz was updated on November 1, 2026 and Goodnight ABC Lite on November 1, 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.*