Comparison

NOVA Elements vs MEL STEM

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

Head to head
About

NOVA Elements

Explore the periodic table and understand element properties. Learn how elements combine to form everyday objects through interactive games and educational videos.

Highlights
  • Interactive periodic table
  • Learn element properties
  • Understand element combinations
  • Educational game
  • NOVA program access
Read full description

Did you ever wonder why the periodic table is shaped the way it is, what gives each element its own unique set of properties, or even how elements combine to make everyday objects such as a cup of coffee? With “NOVA Elements,” explore an interactive periodic table, play a game hosted by David Pogue, or watch the two-hour NOVA program, “Hunting the Elements.”

About

MEL STEM

Explore fundamental scientific concepts like light, sound, and electricity through interactive games and AR experiences. This app offers visual explanations and virtual experiments for young learners, guided by engaging characters.

Highlights
  • Interactive science games
  • AR STEM experiences
  • Visual explanations of concepts
  • Virtual science lab
  • 3D/AR visual explanations
Features
Read full description

What is Light? Sound? Electricity? How do they work? With a variety of observations and integrated kids games, your kid will discover all of that and more. Begin your journey into the world of science for kids accompanied by two trusty guides — Zach and Newt. Their marvelous machines are the perfect testing ground for virtual science experiments for kids. With MEL STEM: Science for Kids you’ll get: - An introduction to science backed by fun science games - Simple visual explanations of basic scientific concepts - A science kids AR app full of things to learn and free of ads or in-app purchases - A virtual interactive kids science lab - A great addition to our MEL STEM subscription if you choose to buy one In short, MEL STEM: Science for Kids is carefully crafted to bring science to kids aged 6 to 8 through 3D/AR visual explanations.

Screenshots

MEL STEM4 screens

Verdict

The call

The clearest difference is rating: MEL STEM at 4.8 against NOVA Elements's 4.1. MEL STEM also leads on update cadence (monthly vs every 5 months) and review sentiment (71% vs 62%). NOVA Elements's advantage is iOS requirement (8.0 vs 13.0). On price, ratings volume, 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

MEL STEM holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 254 and 429 respectively. Written reviews point the same way: 62% of NOVA Elements's written reviews are positive against 71% of MEL STEM's.

UpkeepUpdate frequency

NOVA Elements ships an update every 5 months, MEL STEM monthly. The most recent releases landed on October 3, 2026 and October 12, 2026 respectively.

Scorecard5 real differences · 5 level
NOVA Elements versus MEL STEM: the parameters behind the verdict, then further details
ParameterNOVA ElementsMEL STEM
PriceFreeFree
Rating4.1 (254 ratings)4.8 (429 ratings) — better
Positive reviews62.1% of reviews71.4% of reviews — better
Number of ratings254429 — better
Update frequencyEvery 5 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPadiPhone, iPad, iPod — better
Requires iOS8.0 — better13.0
Further details — not scored
Size513 MB244 MB
Age rating4+4+
DeveloperPBSMEL Science Limited

Customer experience

NOVA Elements

All ratings254 ratings
Positive74.0%
Neutral8.3%
Negative17.7%
Written reviews58 reviews
Positive62.1%
Neutral17.2%
Negative20.7%

MEL STEM

All ratings359 ratings
Positive95.3%
Neutral1.7%
Negative3.1%
Written reviews14 reviews
Positive71.4%
Neutral7.1%
Negative21.4%

Bugs and requests

NOVA Elements

Not enough reviews yet to summarise bugs or requests.

MEL STEM

Reported bugs

5 issues
  • Card cannot be scanned, no option available
  • AR sections show black screen
  • App is completely unusable due to black screens in AR and 3D mode after update
  • Non-stop crashing, app not working
  • Missing instruction book for luminescence kit

Requested features

2 requests
  • Fix card scanning functionality
  • Ensure instruction books are included with kits

In-app purchases

None

NOVA Elements

No in-app purchases

None

MEL STEM

No in-app purchases

Questions

Is NOVA Elements free?
NOVA Elements is free to download, with no in-app purchases.
Is MEL STEM free?
MEL STEM is free to download, with no in-app purchases.
Which has better reviews, NOVA Elements or MEL STEM?
MEL STEM is rated higher. NOVA Elements averages 4.1 out of 5 from 254 ratings, while MEL STEM averages 4.8 from 429 ratings.
Do NOVA Elements or MEL STEM have ads?
Neither NOVA Elements nor MEL STEM shows ads.
Which is updated more often, NOVA Elements or MEL STEM?
NOVA Elements ships an update every 5 months, and MEL STEM monthly. Most recently, NOVA Elements was updated on October 3, 2026 and MEL STEM on October 12, 2026.

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