Comparison

Goodnight ABC vs Question Sleuth

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

Head to head
About

Goodnight ABC

This interactive app uses engaging scenes and animations to teach young children the alphabet, phonics, vocabulary, and numbers. It offers a playful environment with hundreds of touchable elements and hidden surprises, fostering imagination and problem-solving skills.

Highlights
  • Teaches ABCs and phonics
  • Hundreds of interactive elements
  • Hidden object discovery
  • Vocabulary building
  • Coloring and learning modes
  • Child-friendly interface
  • Original art and animation
Features
Read full description

- Editor's Choice Award, Children's Technology Review - The winner of The Best Debut award at SmartAppsforKids.com - Featured by Apple in App Store Essentials - Apps for Parents - in 82 countries. - "If you have young kids, this is an absolute must purchase app."- PadGadget -"Fantastic learn by playing ABC app and much more that is a ringing endorsement for why educational apps should be made by professional educators." - Smart Apps For Kids - "Goodnight ABC is one of the best preschool apps I've seen. It's extensive scenes and surprising animations will keep toddlers and preschoolers engaged for hours... While I know it's educational, my son just loves the fun of it all. The attention to detail in each themed scene is incredible." - Fun Educational Apps - "This is one app you will want to sit down and play with the kids!"- BestAppsForKids - "This app is a spectacular addition to your collection especially for learning early word/object association, finding hidden objects, colorful illustrations and the ability to play while learning." - TheiMums - Illustrations by Ukrainian illustrator Ivan Sulima Fly a hot air balloon - Make ice cream - Play at the beach - Create your own thunder and rain - Watch aliens land - Hatch a dinosaur egg - Play a harp - Make it show - Shoot some hoops - Ride a submarine - Shop at a swanky boutique - Even grow a potted plant if you like - The possibilities are endless - KEY FEATURES - Fully supports the Retina display of the new iPad - Teaches ABCs, Phonics, word recognition, vocabulary, colors, numbers and more - 26 animals to represent each letter of the English alphabet - Hundreds of interactive elements - Interaction on every one of the 26 pages - 26 pages of amazing original art - Animation on every page - Hundreds of thrilling sound effects - Hundreds of vocabulary words spelled and pronounced - Play and Learn, Vocabulary, and Coloring options - Fosters imagination, problem solving, logical thinking - Child-friendly interface - No rules to follow, no time limits, no stress for your child - No third party advertising WHY EVERY CHILD WILL LOVE IT -Fully interactive -Every inch of the screen is touchable - perfect for youngsters’ inquisitive minds -Full of fascinating animals and curious objects to manipulate and explore -Ability to control what happens on each page -Ability to uncover hidden items -Fun games to play -Gorgeous eye-catching illustrations and animation -Hundreds of thrilling visual and sound effect -Coloring option -Vocabulary option WHY PARENTS WOULD LOVE IT -Teachers letters, letter sounds, and word recognition -Teaches hundreds of vocabulary words with the vocabulary option -Teaches colors -Teaches numbers -Encourages interest in nature and technology -Cultivates imagination and creativity -Taps into your child’s artistic skills with the coloring option -Encourages logical thinking -Fosters problem solving -Highly imaginative -Great for toddlers, preschoolers, or anyone who loves to have fun Is it a lesson or a game? Kids can’t tell the difference. Goodnight ABC teaches letters, letter sounds, colors, numbers, vocabulary, the basics of nature and technology and a lot more, but to your child it feels like playing the most exciting game in the world! An animal that lives in its own ingenious micro world represents each of the 26 letters of the alphabet. Every picture is different, unconventional, beautifully illustrated, and never boring. Touch, tap, or drag every inch of the screen to uncover more items, set things in motion, assemble and disassemble devices, and find exciting games. When you are done exploring a letter says good night to the animal and watch it fall asleep under the twinkling stars. Filled with exceptional artwork, animation, hundreds of interactive elements, hidden surprises and fun sound effects, Goodnight ABC is a never-ending playsacpe. Recommended Ages: 2 and up.

About

Question Sleuth

A language game for two or more players where one person hides a star behind a picture and others guess its location by asking questions. Customize categories and play for all ages, making it ideal for families and educators.

Highlights
  • Picture-based guessing game
  • Secret star hiding mechanic
  • Process of elimination gameplay
  • Customizable image categories
  • Use camera or web images
  • Suitable for all ages
Features
Read full description

Calling All Sleuths! Are you clever enough to ask the right questions and find the hidden star? Give it a try with this delightfully entertaining language game designed for two or more players. Pick a player to secretly hide the star behind a picture and let everyone else compete to find it through the process of elimination. Use our image categories or go ahead and make your own using the iPad's camera, your photos or search from the web. Question Sleuth is a great way to practice categories, attributes, "wh" questions, articulation or whatever you like. Game play can be customized for all ages and makes a great family activity! Though designed with educators in mind, Question Sleuth is a fun, imaginative and engaging game to play with family and friends as well.

Verdict

The call

Goodnight ABC and Question Sleuth both sit at 5.0 stars, but that hides the real split: 94% of Goodnight ABC's written reviews are positive against 67% of Question Sleuth's. Goodnight ABC also leads on update cadence (every 5 months vs every 29 months). On price, rating, ratings volume and ads 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

Goodnight ABC costs $1.99 and Question Sleuth $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Goodnight ABC against 5.0 for Question Sleuth. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews are what separate them: 94% of Goodnight ABC's written reviews are positive against 67% of Question Sleuth's.

UpkeepUpdate frequency

Goodnight ABC ships an update every 5 months, Question Sleuth every 29 months. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 8 level
Goodnight ABC versus Question Sleuth: the parameters behind the verdict, then further details
ParameterGoodnight ABCQuestion Sleuth
Price$1.99$1.99
Rating5.0 (5 ratings)5.0 (2 ratings)
Positive reviews93.5% of reviews — better66.7% of reviews
Number of ratings5 — better2
Update frequencyEvery 5 months — betterEvery 29 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPadiPad
Requires iOS10.210.0 — better
Further details — not scored
Size297 MB118 MB
Age rating4+4+
DeveloperQuasar Alliance, IncZorten Software, LLC

Customer experience

Goodnight ABC

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews31 reviews
Positive93.5%
Neutral0.0%
Negative6.5%

Question Sleuth

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive66.7%
Neutral16.7%
Negative16.7%

In-app purchases

None

Goodnight ABC

No in-app purchases

None

Question Sleuth

No in-app purchases

Questions

Is Goodnight ABC free?
Goodnight ABC costs $1.99, with no in-app purchases.
Is Question Sleuth free?
Question Sleuth costs $1.99, with no in-app purchases.
Which has better reviews, Goodnight ABC or Question Sleuth?
Goodnight ABC and Question Sleuth are both rated 5.0 out of 5 on the App Store, from 5 and 2 ratings respectively.
Do Goodnight ABC or Question Sleuth have ads?
Neither Goodnight ABC nor Question Sleuth shows ads.
Which is updated more often, Goodnight ABC or Question Sleuth?
Goodnight ABC ships an update every 5 months, and Question Sleuth every 29 months. Most recently, Goodnight ABC was updated on October 6, 2026 and Question Sleuth on October 2, 2026.

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