Comparison

Science Libs vs Opposite

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

Head to head
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.

About

Opposite

Read full description

Opposite Match — App Store Description (Revised) The fun way for kids to learn opposites — one match at a time. Opposite Match turns vocabulary learning into a daily adventure. Kids match opposite word pairs using colorful illustrations, building language skills through play — not repetition. Structured, rewarding, and genuinely enjoyable for young learners aged 5–8. TWO WAYS TO LEARN Learn Mode — guided practice that walks kids through opposite pairs step by step. Perfect for first-time learners or exploring a new word pack before game time. Play Game — choose a pack, complete rounds, and earn stars. Each game session has a clear start and finish, so screen time feels purposeful, not endless. THEMED WORD PACKS Pick an adventure and dive in! Each pack covers a real-world topic kids connect with: • Home & Domestic Life • School & Learning • Feelings & Emotions • …and many more themes to explore Every pack includes 15 rounds and 75 word pairs, with clear age guidance (Ages 5–8). One pack is free to get started — unlock more in the Parents Section. MISTAKE → CORRECT When a match is wrong, kids immediately see what they matched, what the correct pair was, and an example sentence for both words. They can even tap Listen to hear the words out loud. Mistakes become mini-lessons, not frustrations. PROGRESS KIDS CAN SEE The home screen shows stars earned, words learned, and daily streak — a simple dashboard that gives kids ownership of their progress and a reason to return every day. PARENT DASHBOARD — FULLY GATED The Parents Section sits completely outside the child's flow, protected so kids can't wander in. Inside, parents get: • Words learned, accuracy %, sessions, and streak — by week, month, or all time • Pack-by-pack progress tracking • The store to unlock new word packs • App settings Real insight into your child's learning — without interrupting their play. WHY FAMILIES CHOOSE OPPOSITE MATCH - Colorful visuals kids actually engage with - Structured rounds — not aimless, endless swiping - Instant feedback that teaches, not just scores - Stars, streaks, and celebrations that motivate daily practice - Themed packs that grow with your child's vocabulary - Parent area fully separated from the kids' experience - 1 free pack — no pressure to unlock more Every opposite is a discovery. Download Opposite Match and start your child's vocabulary journey today.

Screenshots

Science Libs4 screens
Opposite4 screens

Verdict

The call

The clearest difference is iOS requirement: Science Libs at 13.4 against Opposite's 18.0. 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. Science Libs sells 4 one-off in-app purchases and Opposite sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on September 18, 2026 and October 15, 2026 respectively.

Scorecard1 real difference · 8 level
Science Libs versus Opposite: the parameters behind the verdict, then further details
ParameterScience LibsOpposite
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 9 daysEvery 9 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.4 — better18.0
Further details — not scored
Size41 MB175 MB
Age rating4+4+
DeveloperAaran SolhNadimbhai Sheikh

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
10 purchases

Opposite

One-time10
  • Weather & Nature$0.99
  • Body & Health$0.99
  • Actions & Activities$0.99
Show 7 more
  • Safety Rules$0.99
  • Direction Positions$0.99
  • Technology & Objects$0.99
  • Money & Shopping$0.99
  • Travel & Transportation$0.99
  • Social Behavior$0.99
  • All in one$6.99

Questions

Is Science Libs free?
Science Libs is free to download, with in-app purchases available.
Is Opposite free?
Opposite is free to download, with in-app purchases available.
Do Science Libs or Opposite have ads?
Neither Science Libs nor Opposite shows ads.
Which is updated more often, Science Libs or Opposite?
Science Libs ships an update every 9 days, and Opposite every 9 days. Most recently, Science Libs was updated on September 18, 2026 and Opposite on October 15, 2026.

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