Comparison

Apostrophe Power vs Science Libs

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

Head to head
About

Apostrophe Power

This game makes learning apostrophe rules fun and engaging. It features levels with a rocket-powered mouse navigating challenges by correctly placing apostrophes to reach its goal. Short training videos offer quick overviews and examples of apostrophe usage.

Highlights
  • Interactive game levels
  • Rocket-powered mouse challenges
  • Apostrophe placement puzzles
  • Short training videos
  • Rule overviews and examples
  • Progressive difficulty
Features
Read full description

When apostrophes leave you confused, bored or both, recharge with the Apostrophe Power game. It’s fun, fast, easy to play, and a great way to get better at using apostrophes. Work your way through game levels for each type of apostrophe by saving the rocket-powered mouse from plunging into the river. Position each apostrophe in the right place to help the mouse reach its ultimate goal – cheese! If you need a reminder about the different types of apostrophes take a look at the short training videos. They provide a quick overview of the rules that cover apostrophe use, and include easy-to-understand examples. So brush up on your skills, test yourself for fun, or learn something new. Blast off with Apostrophe Power!

About

Science Libs

This app makes learning science fun for kids aged 6-12 through Mad Libs-style stories. Children fill in blanks to create hilarious tales, then read engaging articles explaining the real science. It encourages vocabulary, creativity, and curiosity in a safe, ad-free environment.

Highlights
  • Mad Libs-style science stories
  • Vocabulary and creativity building
  • Engaging science articles
  • Reflective questions for discussion
  • Kid-friendly design
  • Optional social sharing with parental controls
  • Ad-free environment
Features
Read full description

Science Libs: Laugh, Learn, Grow Science Libs combines the silly fun of classic Mad Libs with an educational twist that helps kids ages 6–12 build vocabulary, creativity, and curiosity while learning science. Kids fill in the blanks with their own words to create hilarious stories focused on science topics, then discover a short, engaging article that explains the real science in a way they can understand. It’s more than just laughs—each Science Lib ends with age-appropriate thought-provoking questions that invite reflection and conversation, turning screen time into meaningful learning moments. Features: ~ Playful, kid-friendly design with bright colors and clear fonts. ~ Eight categories of Mad Lib–style activities focused on learning science. ~ Stories that encourage creativity and language skills. ~ Short educational articles after each activity for deeper learning. ~ Reflective questions to spark curiosity and discussion. ~ Safe, ad-free environment designed for kids and families. ~ Language filters to ensure a kid-friendly space with no direct messaging between users. ~ Perfect for car rides, classroom enrichment, or cozy evenings, Science Libs makes learning an adventure—one laugh at a time. NEW! ~ Optional social sharing section where kids can read and rate other kids' Science Libs with parent-approved access. Parents can set a password so kids can only browse shared stories together, adding an extra layer of safety. Science Libs is designed to help your child laugh, learn, and grow in a safe, ad-free environment while exploring science. You remain in control of sharing features, and we are committed to protecting your child’s privacy and experience. Science Libs – Parent FAQ How do you protect my child’s data?We collect only the minimum data necessary to operate the app, such as device type and nicknames. We do not sell personal data, and parents can request data deletion at any time or use the in-app delete button. Do you show ads in the app?No, Science Libs does not display ads. Is there a cost to use the app?Science Libs offers a free core experience for your child to enjoy, with optional themed Science Lib packs available as one-time purchases. Can other users contact my child?No. Users can only rate shared Science Libs. There is no commenting or messaging within the app. How can I delete my child’s data or account?You can easily use the in-app delete account button at any time. Is it safe for my child to share their Science Libs?Yes. Sharing is optional, and your child can choose which Science Libs to share. Shared stories display only the text and your child’s chosen nickname, not personal information. Can I control whether my child can view or share Science Libs?Yes. You can lock the sharing and browsing sections behind a parent password so your child cannot access or view shared stories without your permission. What if someone shares something inappropriate?We use automated filters and manual review to keep Science Libs a safe space. If you see something inappropriate, you can report it using the in-app report button, and we will review and remove any content that violates our guidelines. Can I review or delete what my child has shared?Yes. You can request review or deletion of your child’s shared Science Libs at any time, or you or your child can remove their submissions directly within the app. Do you recommend products in the app?Sometimes, we may recommend age-appropriate books and games we believe add value to your child’s learning experience, but we only suggest products we genuinely trust. Science Libs is designed to help your child laugh, learn, and grow in a safe, ad-free environment while exploring science and creativity, giving parents control while supporting a fun, educational experience.

Screenshots

Apostrophe Power4 screens
Science Libs4 screens

Verdict

The call

The clearest difference is in-app purchases: Apostrophe Power at none against Science Libs's 4. Apostrophe Power also leads on iOS requirement (7.0 vs 13.4). Science Libs's advantage is update cadence (every 9 days vs every 3 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

Both are free to download. Science Libs sells 4 one-off in-app purchases. Apostrophe Power asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Apostrophe Power against 5.0 for Science Libs. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Apostrophe Power ships an update every 3 months, Science Libs every 9 days. The most recent releases landed on October 13, 2026 and September 18, 2026 respectively.

Scorecard4 real differences · 5 level
Apostrophe Power versus Science Libs: the parameters behind the verdict, then further details
ParameterApostrophe PowerScience Libs
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Number of ratings12 — better
Update frequencyEvery 3 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS7.0 — better13.4
Further details — not scored
Size24 MB41 MB
Age rating9+4+
DeveloperShamus SmithAaran Solh

Customer experience

Apostrophe Power

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Science Libs

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Apostrophe Power

No in-app purchases

4 purchases

Science Libs

One-time4
  • Purchase all Science Libs$2.99
  • Workbook download$2.99
  • Category Purchase$4.99
Show 1 more
  • Purchase Four Categories$9.99

Questions

Is Apostrophe Power free?
Apostrophe Power is free to download, with no in-app purchases.
Is Science Libs free?
Science Libs is free to download, with in-app purchases available.
Which has better reviews, Apostrophe Power or Science Libs?
Apostrophe Power and Science Libs are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do Apostrophe Power or Science Libs have ads?
Neither Apostrophe Power nor Science Libs shows ads.
Which is updated more often, Apostrophe Power or Science Libs?
Apostrophe Power ships an update every 3 months, and Science Libs every 9 days. Most recently, Apostrophe Power was updated on October 13, 2026 and Science Libs on September 18, 2026.

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