Comparison

Howtosmile vs UALCAN Mobile

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

Head to head
About

Howtosmile

Discover and perform fun, hands-on STEM activities for all ages. Explore a vast collection of experiments, games, and projects created by leading science centers. Search by keyword, topic, cost, or age to find your next engaging learning experience.

Highlights
  • Hands-on STEM activities
  • Searchable activity collection
  • Filter by topic, cost, and age
  • Created by science centers
  • Blog with fresh ideas
  • Suitable for all ages
Features
Read full description

howtosmile —the best science fun anywhere, any time, any age! Find and DO fun hands-on science, math, engineering and technology (STEM) activities created by the country’s top science centers and out-of-school educators. Explore for FREE the entire howtosmile collection of over 3,500 activities, games, experiments, and more. Search the whole collection by word—like sound or planet; by topic—like Cooking, Chemistry, or Climate; by cost to do the activity—from free to over $20; and by age—from 4 to adult. Read the howtosmile blog for fresh ideas and approaches, plus profiles of out-of-school educators who make science learning cool and exciting, whether they teach in a museum, classroom, an afterschool program, or a kitchen at home. Discover your new favorite hands-on activities to do with your friends, family, or students. Get inspired! Funded by the National Science Foundation, the Camille & Henry Dreyfus Foundation, and Oracle. Brought to you by the Lawrence Hall of Science, University of California, Berkeley.

About

UALCAN Mobile

Access comprehensive gene expression, methylation, and proteomics data on the go. Search and analyze profiles based on clinico-pathologic factors directly from your mobile device. Visualize results with interactive plots and download statistical tables.

Highlights
  • Search gene expression, methylation, and proteomics profiles
  • Analyze data based on clinico-pathologic factors
  • Interactive gene analysis box-plots
  • Statistical significance tables
  • PDF download of results
  • Access UALCAN publication links
Features
Read full description

The UALCAN mobile app is the companion tool to the UALCAN website, https://ualcan.path.uab.edu/. It is helpful to UALCAN users who are on the go, allowing them to search gene expression, methylation and proteomics profiles based on clinico-pathologic factors from the palm of their hand. The app’s interface is quite simple with just three screens: Home Description of UALCAN, what does it do? Link to UALCAN twitter account Link to provide feedback to the UALCAN email address UALCAN update feed UALCAN publication links Analysis Cancer Selection Drop-Down Gene Selection Auto-Complete List Analysis Selection (Expression, Methylation, Proteomics) Search Button Plot Factor Selection Drop-Down Gene Analysis Box-Plot Statistical Significance Table PDF Download button

Screenshots

Howtosmile3 screens
UALCAN Mobile4 screens

Verdict

The call

The clearest difference is update cadence: UALCAN Mobile at every 8 days against Howtosmile's every 21 months. Howtosmile's advantage is iOS requirement (7.0 vs 13.0). 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. 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 Howtosmile against 5.0 for UALCAN Mobile. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Howtosmile ships an update every 21 months, UALCAN Mobile every 8 days. The most recent releases landed on October 23, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 8 level
Howtosmile versus UALCAN Mobile: the parameters behind the verdict, then further details
ParameterHowtosmileUALCAN Mobile
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings11
Update frequencyEvery 21 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS7.0 — better13.0
Further details — not scored
Size1 MB20 MB
Age rating4+4+
DeveloperThe Lawrence Hall of ScienceThe University of Alabama at Birmingham

Customer experience

Howtosmile

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

UALCAN Mobile

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

In-app purchases

None

Howtosmile

No in-app purchases

None

UALCAN Mobile

No in-app purchases

Questions

Is Howtosmile free?
Howtosmile is free to download, with no in-app purchases.
Is UALCAN Mobile free?
UALCAN Mobile is free to download, with no in-app purchases.
Which has better reviews, Howtosmile or UALCAN Mobile?
Howtosmile and UALCAN Mobile are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Howtosmile or UALCAN Mobile have ads?
Neither Howtosmile nor UALCAN Mobile shows ads.
Which is updated more often, Howtosmile or UALCAN Mobile?
Howtosmile ships an update every 21 months, and UALCAN Mobile every 8 days. Most recently, Howtosmile was updated on October 23, 2026 and UALCAN Mobile on October 8, 2026.

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