Comparison

Aktiv Learning vs Sig Fig Tutor

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

Head to head
About

Aktiv Learning

This platform offers dynamic problems and interactive tools for college-level chemistry and math. It helps students visualize abstract STEM concepts and provides instructors with real-time insights into class understanding. Features include a mobile-friendly Lewis structure drawing tool and over 250 practice questions.

Highlights
  • Interactive Lewis structure drawing tool
  • Dynamic STEM problems
  • Real-time class results
  • Over 250 built-in practice questions
  • Create in-class or homework assignments
  • Isoform recognition for answers
Read full description

Aktiv Learning is an active learning platform built specifically for college-level chemistry and mathematics. Say goodbye to static content and generic multiple choice questions and hello to dynamic problems that are designed to help students learn and visualize abstract concepts in STEM. Aktiv Learning allows chemistry instructors to ask students engaging questions, such as drawing Lewis structures, and receive real-time information on what structures the class is drawing. The app features a custom-built tool that allows students and instructors to quickly and intuitively draw Lewis structures on mobile devices. Additionally, both students and instructors have access to over 250 built-in questions related to Lewis structures, resonance, molecular geometries, VSEPR, hybridization, sigma and pi bonding, and molecular polarity. Features: • Intuitive Lewis structures drawing tool built specifically for mobile devices - Use as engaging demonstration for your students to show example Lewis structures and reinforce concepts such as the octet rule, formal charge, and VSEPR. Students can take advantage of the drawing tool to visualize the relationship between Lewis structures and molecular shapes. • Create in-class or homework assignments - Perfect for clicker, recitation, or review problems. Students receive push notifications to alert and remind them of pending assignments. • Assign or practice with over 250 built-in questions related to Lewis structures, resonance, molecular geometries, VSEPR, hybridization, sigma and pi bonding, and molecular polarity. • Real-time class results - Quickly find common incorrect structures to address student misunderstanding before exams. • Isoform recognition - Aktiv’s technology recognizes correct answers independent of the drawn structure orientation. • Export student activity - Student participation and performance exported in a tap of a button. • Easy sign-up - Students and instructors can create accounts and join courses all within the app in a few steps. • School IT and device independent - Assign, work, and review from any mobile device and over any network connection. More content and features coming soon!

About

Sig Fig Tutor

Master significant figures with this educational tool. Learn the rules, practice identifying sig figs in measurements, and apply them to calculations involving multiplication, division, addition, and subtraction. It helps determine the correct way to report final answers.

Highlights
  • Learn significant figure rules
  • Practice identifying sig figs
  • Estimate answers with multiplication/division
  • Estimate answers with addition/subtraction
  • Determine reporting rules for final answers
  • Challenges for skill assessment
Features
Read full description

The Sig Fig Tutor is intended to help high school and college students learn how to use significant figures. You are given the option to Learn, Practice, or complete Challenges designed to help you: (1) Identify the number of sig figs in a measurement. (2) Use sig figs to estimate a final answer after multiplying and/or dividing. (3) Use the number of decimal places to estimate your final answer after adding and/or subtracting. (4) Determine whether sig figs or decimal places should be used to report your final answer.

Screenshots

Aktiv Learning4 screens
Sig Fig Tutor4 screens

Verdict

The call

The clearest difference is rating: Sig Fig Tutor at 4.8 against Aktiv Learning's 3.2. Sig Fig Tutor also leads on in-app purchases (none vs 1) and review sentiment (95% vs 73%). Aktiv Learning's advantage is update cadence (every 3 weeks vs every 49 months) and ratings volume (184 vs 31). On price, ads and device support 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. Aktiv Learning sells 1 one-off in-app purchase. Sig Fig Tutor asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Sig Fig Tutor holds the better App Store score, 4.8 against 3.2. That said, the two scores are not equally well evidenced: Aktiv Learning has 184 ratings behind it against 31, so its average is the more settled of the two. Written reviews point the same way: 73% of Aktiv Learning's written reviews are positive against 95% of Sig Fig Tutor's.

UpkeepUpdate frequency

Aktiv Learning ships an update every 3 weeks, Sig Fig Tutor every 49 months. Both last shipped on October 14, 2026.

Scorecard7 real differences · 3 level
Aktiv Learning versus Sig Fig Tutor: the parameters behind the verdict, then further details
ParameterAktiv LearningSig Fig Tutor
PriceFreeFree
Rating3.2 (184 ratings)4.8 (31 ratings) — better
Positive reviews72.5% of reviews95.5% of reviews — better
Number of ratings184 — better31
Update frequencyEvery 3 weeks — betterEvery 49 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.012.0 — better
Further details — not scored
Size95 MB54 MB
Age rating4+4+
DeveloperTop Hat MonocleCheryl Montgomery

Customer experience

Aktiv Learning

All ratings184 ratings
Positive53.8%
Neutral2.7%
Negative43.5%
Written reviews91 reviews
Positive72.5%
Neutral2.2%
Negative25.3%

Sig Fig Tutor

All ratings31 ratings
Positive96.8%
Neutral0.0%
Negative3.2%
Written reviews22 reviews
Positive95.5%
Neutral0.0%
Negative4.5%

Bugs and requests

Aktiv Learning

Reported bugs

10 issues
  • Pop-up warnings flicker and disappear too quickly
  • Drag-and-drop fails 70% of the time on iOS
  • App crashes on specific problems with no recovery
  • Login errors and password reset failures
  • Users locked out of questions permanently
Show 5 more
  • Window resizing issues on iPad 12.9in
  • Questions don't load properly or display incompletely
  • Subscripts/superscripts not displaying on Mac
  • Split-screen functionality disabled
  • Inconsistent performance between app and web versions

Requested features

10 requests
  • In-app notification system for assignment reminders
  • Ability to sign up for courses on mobile app
  • Split-screen functionality on iPad
  • Zoom capability for periodic table
  • Reset button for Lewis structure questions
Show 5 more
  • Full solutions displayed after using all attempts
  • Better hints and guidance for dimensional analysis
  • School login integration on mobile app
  • Improved question clarity and directions
  • Subscript and superscript display on web version

Sig Fig Tutor

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Aktiv Learning

One-time1
  • Chem101 Course Activation$29.99
None

Sig Fig Tutor

No in-app purchases

Questions

Is Aktiv Learning free?
Aktiv Learning is free to download, with in-app purchases available.
Is Sig Fig Tutor free?
Sig Fig Tutor is free to download, with no in-app purchases.
Which has better reviews, Aktiv Learning or Sig Fig Tutor?
Sig Fig Tutor is rated higher. Aktiv Learning averages 3.2 out of 5 from 184 ratings, while Sig Fig Tutor averages 4.8 from 31 ratings.
Do Aktiv Learning or Sig Fig Tutor have ads?
Neither Aktiv Learning nor Sig Fig Tutor shows ads.
Which is updated more often, Aktiv Learning or Sig Fig Tutor?
Aktiv Learning ships an update every 3 weeks, and Sig Fig Tutor every 49 months. Most recently, Aktiv Learning was updated on October 14, 2026 and Sig Fig Tutor on October 14, 2026.

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