Apps by Houghton Mifflin Harcourt
Mac, Izzy & Friends app icon

Education

Mac, Izzy & Friends

Houghton Mifflin Harcourt

Free download 3.27 · 1 storefront · 15 ratings In-app purchases
Open on Apple

About this app

Brought to you by the trusted team that created Curious George’s Curious About Shapes and Colors . . . Join Izzy and Mac as they guide your child into the a world of curious adventures. Your children can help Curious George find dinosaur bones, look at the world through the eyes of Steve Jenkins’s creatures, or play hide-and-seek with Gossie in your own home. Children can even personalize the app to incorporate the world around them by creating puzzles with personal photos. Photographer to expert puzzle-solver in seconds! There’s always a new curiosity-inspired adventure waiting just around the corner in Mac, Izzy and Friends. Through several themed app packs and the curiosity toolkit features, Mac, Izzy and Friends encourages kids to investigate, imagine, observe, and discover new things as they play. Each app pack provides at least five activities, including a real-world experience that parents and children can enjoy together. CURIOSITY TOOLKIT FEATURES: • Drawing • Stickers • Puzzles • Camera • Microphone APP PACK FEATURES: • Roar like a dinosaur • Try on different animal eyes • Create shadow puppets • Listen to books • Play at your own pace • Child-friendly navigation (ages 3–5+) • Real-life activities HIGHLIGHTED CHARACTERS AND AUTHORS: • Curious George: Margret and H.A. Rey • Gossie & Friends: Olivier Dunrea • Steve Jenkins • and introducing . . . Izzy & Mac! IN-APP PURCHASES: App comes with Izzy and Mac’s Light & Shadows app pack, with additional Gossie’s Favorite Things, Curious George Dinosaur Discovery, and Steve Jenkins Animal Eyes app packs available for purchase. The Mac, Izzy & Friends app is a vital component of the Curious World early learning family. Be sure to visit our CuriousWorld.com website for parent resources, curiosity-inspiring activity ideas, and a community of early education support.

Latest release

What’s New

Version 1.1 Aug 25, 2015

Re-branding of app to Mac, Izzy & Friends

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
15 ratings
15 Sep 11, 2026 · 15 ratings Sep 11, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free 0×
Price history
Current Free
Free Sep 11, 2026 · Free Sep 11, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Sep 11, 2026 · 9:56 PM Free

Screenshots

Mac, Izzy & Friends iPhone screenshotMac, Izzy & Friends iPhone screenshotMac, Izzy & Friends iPhone screenshotMac, Izzy & Friends iPhone screenshotMac, Izzy & Friends iPhone screenshot Mac, Izzy & Friends iPad screenshotMac, Izzy & Friends iPad screenshotMac, Izzy & Friends iPad screenshotMac, Izzy & Friends iPad screenshotMac, Izzy & Friends iPad screenshot