Comparison

Hamster vs Taco 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

Hamster vs Taco

Engage in a fun, space-themed game to master double-digit addition and subtraction. Defeat incoming invaders by solving math problems to power up your defenses and advance through levels.

Highlights
  • Double-digit addition practice
  • Double-digit subtraction practice
  • Space-themed gameplay
  • Level-based progression
  • Enemy invaders
  • Power-up mechanics
Features
Read full description

Get ready to practice double-digit addition and subtraction and have some fun! Is that an enemy spaceship? No! It's a taco! Have Hamster throw fireballs and laser beams at tacos, pizza, cookies, pickles, and other space invaders to move up levels in the game. The enemy invaders will come faster as you reach higher levels. Correctly answer double-digit addition and subtraction problems to restore your firepower or your jetpack! Appropriate for anyone wanting to practice double-digit addition and subtraction while having a bit of fun! * No ads

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

Hamster vs Taco4 screens
Science Libs4 screens

Verdict

The call

The clearest difference is rating: Hamster vs Taco at 5.0 against Science Libs's 3.7. Hamster vs Taco also leads on monetization model (free vs free with in-app purchases). Science Libs's advantage is iOS requirement (13.4 vs 16.0). On price, ratings volume, update cadence 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. Hamster vs Taco sells 1 one-off in-app purchase and Science Libs sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Hamster vs Taco holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 6 and 3 respectively.

UpkeepUpdate frequency

Hamster vs Taco ships an update every 6 days, Science Libs every 9 days. The most recent releases landed on October 9, 2026 and October 22, 2026 respectively.

Scorecard3 real differences · 7 level
Hamster vs Taco versus Science Libs: the parameters behind the verdict, then further details
ParameterHamster vs TacoScience Libs
PriceFreeFree
Rating5.0 (6 ratings) — better3.7 (3 ratings)
Positive reviews100.0% of reviews—
Number of ratings6 — better3
Update frequencyEvery 6 days — betterEvery 9 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.013.4 — better
Further details — not scored
Size6 MB41 MB
Age rating4+4+
DeveloperLearnEd Apps LLCAaran Solh

Customer experience

Hamster vs Taco

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Science Libs

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

In-app purchases

1 purchases

Hamster vs Taco

One-time1
  • Full Access$3.99
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 Hamster vs Taco free?
Hamster vs Taco is free to download, with in-app purchases available.
Is Science Libs free?
Science Libs is free to download, with in-app purchases available.
Which has better reviews, Hamster vs Taco or Science Libs?
Hamster vs Taco is rated higher. Hamster vs Taco averages 5.0 out of 5 from 6 ratings, while Science Libs averages 3.7 from 3 ratings.
Do Hamster vs Taco or Science Libs have ads?
Neither Hamster vs Taco nor Science Libs shows ads.
Which is updated more often, Hamster vs Taco or Science Libs?
Hamster vs Taco ships an update every 6 days, and Science Libs every 9 days. Most recently, Hamster vs Taco was updated on October 9, 2026 and Science Libs on October 22, 2026.

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