# Moose Math vs Eggy Add to 20

The clearest difference is price: Moose Math at Free against Eggy Add to 20's $1.99. Moose Math also leads on review sentiment (76% vs 33%) and update cadence (every 2 months vs every 46 months). Eggy Add to 20's advantage is iOS requirement (9.0 vs 11.0). On ads, in-app purchases and device support there is nothing between them.

Moose Math is free to download; Eggy Add to 20 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Moose Math holds the better App Store score, 4.2 against 4.0. That said, the two scores are not equally well evidenced: Moose Math has 592 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 76% of Moose Math's written reviews are positive against 33% of Eggy Add to 20's.

Moose Math ships an update every 2 months, Eggy Add to 20 every 46 months. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Moose Math | Eggy Add to 20 |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.2 (592 ratings)](https://appshunter.io/ios/app/moose-math-duck-duck-moose/id660345152/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/eggy-add-to-20/id687207302/reviews) |
| Number of ratings | **592** | 1 |
| Positive reviews | **75.6% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 46 months |
| Monetization | **Free** | Paid |
| Size | 132 MB | 26 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Duck Duck Moose LLC](https://appshunter.io/developer/303076298) | [Blake eLearning](https://appshunter.io/developer/530378341) |

## What reviewers say

### Moose Math

[App page](https://appshunter.io/ios/app/moose-math-duck-duck-moose/id660345152)

This app offers an engaging mathematical adventure for children aged 3-7, teaching core concepts like counting, addition, and subtraction through interactive games. Kids can earn rewards to build and decorate a virtual city while developing essential math skills aligned with early elementary standards.

**Highlights:** Counting, addition, and subtraction practice, Geometry and sorting activities, Interactive multi-level games, Reward system for city building, Parental progress reporting, Aligned with Common Core Standards

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and engaging
- 🚀 Helps with math skills
- 💡 Customizable player profiles
- 🚀 Free and ad-free

**What reviewers complain about**

- 🐛 Occasional crashes and freezes
- 🐛 Incorrect answers in some mini-games
- 🔋 Progress lost when app is closed
- 👎 Limited content and repetitive

**Reported bugs**

- Compatibility issues with newer devices
- Incorrect answers in fruit blending mini-game
- App crashing when exiting levels

**Requested features**

- More levels and locations to explore
- Ability to delete player profiles
- Multiplayer or competitive modes
- Expanded math concepts beyond addition/subtraction


### Eggy Add to 20

[App page](https://appshunter.io/ios/app/eggy-add-to-20/id687207302)

This app helps children aged 4-7 develop addition skills up to 20 through six interactive games. It features bright animations, catchy music, and unlockable characters to keep young learners motivated and engaged.

**Highlights:** 6 interactive addition games, Addition skills up to 20, Unlockable characters as rewards, Multiple difficulty levels, Choice of accents, Engaging animations and music

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Moose Math free?

Moose Math is free to download, with no in-app purchases.

### Is Eggy Add to 20 free?

Eggy Add to 20 costs $1.99, with no in-app purchases.

### Which has better reviews, Moose Math or Eggy Add to 20?

Moose Math is rated higher. Moose Math averages 4.2 out of 5 from 592 ratings, while Eggy Add to 20 averages 4.0 from 1 ratings.

### Do Moose Math or Eggy Add to 20 have ads?

Neither Moose Math nor Eggy Add to 20 shows ads.

### Which is updated more often, Moose Math or Eggy Add to 20?

Moose Math ships an update every 2 months, and Eggy Add to 20 every 46 months. Most recently, Moose Math was updated on November 8, 2026 and Eggy Add to 20 on November 6, 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.*