Sig Fig Tutor vs Functional Groups
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
Read full descriptionHide 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.
Functional Groups
Master organic chemistry functional groups through an engaging and interactive learning experience. Ideal for students in introductory or advanced courses, MCAT prep, and A-Level chemistry, this app covers dozens of essential groups with practice modes and progress tracking.
- 25+ basic and advanced functional groups
- 300+ organic compounds
- Multiple practice modes
- Customizable study groups
- Personalized review
- Reference table and definitions
- Progress tracking with achievements
Read full descriptionHide full description
Ready to ace organic chemistry? Learn the functional groups you need to know - all in an engaging and interactive format. The app is ideal for introductory or advanced organic chemistry classes, MCAT prep, A-Level chemistry, and more. You’ll quickly become familiar with alcohols, esters, amides, amines, and dozens of other important functional groups. The app features: • 25+ basic and advanced functional groups • 300+ organic compounds • Multiple practice modes • Customize which groups to study • Personalized review • Reference table and definitions • Achievements to track your progress Along the way, you’ll learn interesting facts about pharmaceuticals, biomolecules, dangerous compounds, unique molecular structures, and more. With the Functional Groups app, learning organic chemistry is easy, straightforward, and, dare we say… fun? Give it a try and let us know what you think!
Screenshots
Verdict
The clearest difference is in-app purchases: Sig Fig Tutor at none against Functional Groups's 1. Sig Fig Tutor also leads on iOS requirement (12.0 vs 15.0). Functional Groups's advantage is update cadence (every 4 months vs every 49 months). On price, rating, review sentiment and ratings volume 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
Both are free to download. Functional Groups sells 1 one-off in-app purchase. Sig Fig Tutor asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.8 for Sig Fig Tutor against 4.9 for Functional Groups. Both are backed by a comparable volume of ratings — 31 and 21 respectively. Written reviews are what separate them: 95% of Sig Fig Tutor's written reviews are positive against 100% of Functional Groups's.
Sig Fig Tutor ships an update every 49 months, Functional Groups every 4 months. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.
| Parameter | Sig Fig Tutor | Functional Groups |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (31 ratings) | 4.9 (21 ratings) — better |
| Positive reviews | 95.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 31 — better | 21 |
| Update frequency | Every 49 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 54 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Cheryl Montgomery | Clarity Applications |
Customer experience
Sig Fig Tutor
Functional Groups
In-app purchases
Sig Fig Tutor
No in-app purchases
Functional Groups
- Lifetime Access$9.99
Questions
Is Sig Fig Tutor free?
Is Functional Groups free?
Which has better reviews, Sig Fig Tutor or Functional Groups?
Do Sig Fig Tutor or Functional Groups have ads?
Which is updated more often, Sig Fig Tutor or Functional Groups?
Other comparisons
