Comparison

What's Hiding? vs Starfall Learn to Read

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

What's Hiding?

This educational app helps young learners practice basic addition and subtraction. It uses visual aids like discs presented in frames, with some hidden to test number sense. The app supports numbers up to 20 and offers options for counting or subtilizing.

Highlights
  • Addition and subtraction practice
  • Visual disc counting
  • Numbers 1-5, 1-10, or 1-20 support
  • 5-frame and 10-frame formats
  • Counting or subtilizing options
  • iPad specific features
Features
Read full description

Practice basic addition and subtraction concepts. Discs are counted, then covered, and some slide out from under the cover. Your job is to tell how many are still hidden under the cover. Work with numbers 1-5 or 1-10. Discs are displayed in a 5-frame or 10-frame format. The iPad version includes an option to use numbers to 20 in two 10 frames. This option was added at the request of elementary education teacher candidates at Augustana College in Rock Island, IL who were working with kindergarten students. The iPad version also includes an option to count or subtilize the number of discs. That option was added in response to a user request. Developed as part of the NumberSense Project at Augustana College in Rock Island, IL.

About

Starfall Learn to Read

This free app offers engaging books, games, and movies to help children learn to read. It focuses on vowel sounds and spelling through interactive activities, songs, and movies, fostering a love for language and reading.

Highlights
  • Interactive reading activities
  • Engaging games and movies
  • Focus on vowel sounds and spelling
  • Songs and positive reinforcement
  • Suitable for emerging readers
  • Supports English language learners
Features
Read full description

Starfall® Learn to Read is the second step of Starfall’s Learn to Read phonics sequence, which teaches the foundational skills for learning to read. Step 1: ABCs Step 2: Learn to Read Step 3: It’s Fun to Read Step 4: I’m Reading! In Starfall Learn to Read, children explore early phonics in a sequential, stress-free environment. Each step of the learning journey comes to life with help from the Vowel Pals—delightful characters that add depth and personality to each vowel sound. Children develop their phonics skills through the use of CVC (consonant-vowel-consonant) words, sight words, and vowel teams. Mastering the skills taught in Starfall Learn to Read helps children become confident, independent readers. Travel-ready. No internet connection required. Find Starfall Learn to Read, along with 700+ additional activities and counting across reading, math, music, and more in the Starfall app. The Starfall website and applications are program services of Starfall Education Foundation, a 501(c)(3) publicly supported nonprofit organization. Starfall® and Starfall.com® are registered trademarks in the US, the European Union, and various other countries. Copyright © 2002–2026 by Starfall Education. All rights reserved. Starfall apps are inclusively designed to support all children, including English Language Learners (ELLs). Starfall also provides an Enhanced Accessible Index for children with visual, hearing, or mobility impairments. For more information, please contact Customer Service at (+1) 303-417-6414.

Screenshots

What's Hiding?4 screens
Starfall Learn to Read4 screens

Verdict

The call

The clearest difference is rating: Starfall Learn to Read at 4.2 against What's Hiding?'s 2.0. Starfall Learn to Read also leads on review sentiment (75% vs 33%) and ratings volume (229 vs 3). What's Hiding?'s advantage is iOS requirement (8.1 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Starfall Learn to Read holds the better App Store score, 4.2 against 2.0. That said, the two scores are not equally well evidenced: Starfall Learn to Read has 229 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 33% of What's Hiding?'s written reviews are positive against 75% of Starfall Learn to Read's.

UpkeepUpdate frequency

What's Hiding? ships an update every 10 months, Starfall Learn to Read every 9 months. The most recent releases landed on October 11, 2026 and October 21, 2026 respectively.

Scorecard4 real differences · 6 level
What's Hiding? versus Starfall Learn to Read: the parameters behind the verdict, then further details
ParameterWhat's Hiding?Starfall Learn to Read
PriceFreeFree
Rating2.0 (3 ratings)4.2 (229 ratings) — better
Positive reviews33.3% of reviews74.7% of reviews — better
Number of ratings3229 — better
Update frequencyEvery 10 monthsEvery 9 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.1 — better15.0
Further details — not scored
Size37 MB91 MB
Age rating4+4+
DeveloperClassroom Focused SoftwareStarfall Education Foundation

Customer experience

What's Hiding?

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Starfall Learn to Read

All ratings229 ratings
Positive77.3%
Neutral7.0%
Negative15.7%
Written reviews75 reviews
Positive74.7%
Neutral1.3%
Negative24.0%

Bugs and requests

What's Hiding?

Not enough reviews yet to summarise bugs or requests.

Starfall Learn to Read

Reported bugs

8 issues
  • App won't load beyond launch screen (black or green screen)
  • Math games incompatible with iPhone updates
  • Sound not playing in some instances
  • App requires deletion and reinstallation to function
  • Crashes on iOS 9.2.1 and older versions
Show 3 more
  • Glitches when pressing letter machine words
  • App needs to be opened twice each time to run
  • Compatibility issues with various iOS versions

Requested features

10 requests
  • Reward/star system for motivation and progress tracking
  • Lesson progression markers showing mastery of modules
  • Writing and spelling exercises to reinforce learning
  • More stories and content variety
  • UK English version option
Show 5 more
  • Settings to control word pronunciation features
  • More word-building exercises
  • Sight vocabulary games for common words
  • Additional phonics rules (ng, tch, ck, tion, sion)
  • Level progression system to track advancement

In-app purchases

None

What's Hiding?

No in-app purchases

None

Starfall Learn to Read

No in-app purchases

Questions

Is What's Hiding? free?
What's Hiding? is free to download, with no in-app purchases.
Is Starfall Learn to Read free?
Starfall Learn to Read is free to download, with no in-app purchases.
Which has better reviews, What's Hiding? or Starfall Learn to Read?
Starfall Learn to Read is rated higher. What's Hiding? averages 2.0 out of 5 from 3 ratings, while Starfall Learn to Read averages 4.2 from 229 ratings.
Do What's Hiding? or Starfall Learn to Read have ads?
Neither What's Hiding? nor Starfall Learn to Read shows ads.
Which is updated more often, What's Hiding? or Starfall Learn to Read?
What's Hiding? ships an update every 10 months, and Starfall Learn to Read every 9 months. Most recently, What's Hiding? was updated on October 11, 2026 and Starfall Learn to Read on October 21, 2026.

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