Comparison

GRE® Test Prep by Galvanize vs Potential Converter

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

Head to head
About

GRE® Test Prep by Galvanize

Prepare for the GRE exam with a comprehensive app offering hundreds of practice questions and detailed explanations. Track your progress, predict your score, and gauge your readiness for the Math and Verbal sections. Study with friends and access exclusive formula cheat sheets.

Highlights
  • Hundreds of GRE-style practice questions
  • Detailed explanations for each question
  • GRE score predictor
  • Exam readiness indicator
  • Timed practice tests
  • Study with friends feature
  • Quant formula cheat sheet
Read full description

Take a crack at most loved GRE prep app! With a 4.6 rating, the Galvanize GRE app is paving the way for countless students to ace their GRE test and secure admits to their dream schools! It's YOUR turn now. PROOF LEARNERS ADORE US: “Love this app! I have downloaded quite a few other apps to help me study and this is by far one of the most helpful. It is also put together very well. I recommend this app 1000 times over.”- Taintedxangel “I feel like I'm in good hands with this app, really gives vivid explanations for all the GRE questions!”- Sir Dudlington STEP UP YOUR GRE GAME: Are you getting tired of looking for quality GRE mock tests online? Galvanize's GRE test prep app gives you access to the most comprehensive GRE practice questions created by Stanford, Harvard, Texas A&M, San Jose State University and IIT alumni! Improve your score with plenty of GRE Math and Verbal practice questions on this GRE app. Stop taking bogus GRE sample tests. Meeting your targets has never been easier than with this - the best GRE Prep app out there! GAIN AN EXTRA EDGE WITH THESE AWESOME FEATURES: ● 100's of GRE Style Practice Questions: Practice with hundreds of GRE questions to ensure you’re constantly progressing. ● Excellent Explanations: Get excellent explanations for each question. Still have doubts? Talk to an expert to get those pesky GRE prep doubts cleared. ● GRE Score Predictor: Track your progress accurately & predict your GRE score as you move towards your target. ● Exam Readiness Indicator: Find out how much further you have to go before you’re ready to tackle the GRE Math and Verbal reasoning sections and reach your target score. ● Timed GRE Practice Tests: The GRE is a timed test so it only made sense to include timed- tests on the app as well. Use our practice questions to maximize your potential. Better than GRE book ever. (SPECTACULAR) UPDATED FEATURES: ● Study with your friends: Studying in a group can be surprisingly effective. Stay motivated, have fun and show your friends who's boss! ● Quant Ready Reckoner: Get a comprehensive list of GRE Quant formula in a Galvanize-exclusive Cheat Sheet on the app. UNPACK THE GRE TEST PREP: Ready to show the world how clever you are? Practice ALL the GRE Vocabulary and Math question types you'll encounter on the actual GRE exam and compare your accuracy to that of other students! The study guide GRE question types include: Reading Comprehension Text Completion (1, 2, 3 blanks) Sentence Equivalence Quantitative Comparison Numeric Entry Data Interpretation Multiple choice questions with one or more correct answers SPOILER ALERT! DESIGNED FFOR SERIOUS ASPIRANTS: To be better than the best the GRE style questions on the app are what you need. Made for winners, our GRE questions will help you excel in the long run. A comprehensive GRE exam preparation app with no ads to distract you! Focus solely on improving your score with Galvanize’s GRE test prep app. WHAT IS GALVANIZE TEST PREP? Right from Test Prep to University Admits and everything in between, Galvanize Test prep has your back. Rest Assured. You’re one step closer to your Dream Admit. TALK TO EXPERTS: Our GRE Coaches comprise of Stanford and IIT alumni who have helped 1000's of students with their GRE preparation over the years and are passionate about motivating students and helping them gain a solid understanding of the concepts required to ace the test. Discuss questions with our experts in order to clarify any doubts during your GRE practice. ANY QUESTIONS? Please email us at galvanize@entrayn.com if you have any questions or concerns. PS: Don’t delay your GRE exam preparation. For the best possible score, start your GRE prep with Galvanize's GRE prep courses today! DISCLAIMER: GRE® is a registered trademark of the Educational Testing Service (ETS). ETS does not endorse, nor is it affiliated in any way with this application.

About

Potential Converter

This tool helps electrochemists, researchers, and students quickly convert measured potentials between various reference electrode scales. It supports 19 common electrodes and provides educational information, working offline with an intuitive interface.

Highlights
  • Convert between 19 common reference electrodes
  • Instant, real-time conversions
  • Supports SHE, Ag/AgCl, SCE, MSE, and more
  • Educational information on reference electrodes
  • Clean, intuitive interface
  • Offline functionality
  • Copy results with one tap
Features
Read full description

Potential Converter is an essential tool for electrochemists, researchers, and students who need to convert the potential between different reference electrodes. Quickly and accurately convert measured potentials between different reference electrode scales. FEATURES: • Convert between 19 common reference electrodes • Instant, real-time conversions • Support for SHE, Ag/AgCl (various concentrations), SCE, MSE, and more • Educational information about reference electrodes • Clean, intuitive interface • Works offline - no internet required • Copy results with one tap SUPPORTED REFERENCE ELECTRODES: - Standard Hydrogen Electrode (SHE) - Normal Hydrogen Electrode (NHE) - Silver/Silver Chloride (Ag/AgCl) - Multiple KCl concentrations - Saturated Calomel Electrode (SCE) - Calomel Electrodes - Various concentrations - Mercury/Mercurous Sulfate (MSE) - Mercury/Mercuric Oxide (Hg/HgO) - Silver/Silver Sulfate - Copper/Copper Sulfate Perfect for: • Electrochemistry research • Corrosion studies • Laboratory work • Academic studies • Quality control All standard potentials are referenced at 25°C.

Screenshots

GRE® Test Prep by Galvanize4 screens
Potential Converter3 screens

Verdict

The call

The clearest difference is rating: Potential Converter at 5.0 against GRE® Test Prep by Galvanize's 4.5. GRE® Test Prep by Galvanize's advantage is ratings volume (206 vs 1) and device support (3 vs 1). 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Potential Converter holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: GRE® Test Prep by Galvanize has 206 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

GRE® Test Prep by Galvanize ships an update every 7 months, Potential Converter every 6 months. The most recent releases landed on October 22, 2026 and October 5, 2026 respectively.

Scorecard4 real differences · 6 level
GRE® Test Prep by Galvanize versus Potential Converter: the parameters behind the verdict, then further details
ParameterGRE® Test Prep by GalvanizePotential Converter
PriceFreeFree
Rating4.5 (206 ratings)5.0 (1 ratings) — better
Positive reviews85.0% of reviews—
Number of ratings206 — better1
Update frequencyEvery 7 monthsEvery 6 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17
Further details — not scored
Size28 MB0 MB
Age rating4+4+
DeveloperENTRAYN EDUCATION TECHNOLOGIES PRIVATE LIMITEDDianzhao Lin

Customer experience

GRE® Test Prep by Galvanize

All ratings206 ratings
Positive89.8%
Neutral2.9%
Negative7.3%
Written reviews80 reviews
Positive85.0%
Neutral3.8%
Negative11.3%

Potential Converter

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

Bugs and requests

GRE® Test Prep by Galvanize

Reported bugs

9 issues
  • App crashes within 1 second on iOS 15
  • Phone verification field not working
  • Sign-in functionality broken
  • Questions don't load after multiple practice sessions
  • Spinning wheel animation freezes when loading questions
Show 4 more
  • Blank display on iPad devices
  • Account creation fails across multiple email accounts and devices
  • App doesn't detect internet connection despite full signal
  • Performance issues in both verbal and math sections after initial use

Requested features

5 requests
  • Simplified onboarding process without excessive data requirements
  • Option to pay for app instead of writing reviews
  • Progress reset functionality
  • Improved iPad compatibility
  • Better offline functionality

Potential Converter

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

GRE® Test Prep by Galvanize

No in-app purchases

None

Potential Converter

No in-app purchases

Questions

Is GRE® Test Prep by Galvanize free?
GRE® Test Prep by Galvanize is free to download, with no in-app purchases.
Is Potential Converter free?
Potential Converter is free to download, with no in-app purchases.
Which has better reviews, GRE® Test Prep by Galvanize or Potential Converter?
Potential Converter is rated higher. GRE® Test Prep by Galvanize averages 4.5 out of 5 from 206 ratings, while Potential Converter averages 5.0 from 1 ratings.
Do GRE® Test Prep by Galvanize or Potential Converter have ads?
Neither GRE® Test Prep by Galvanize nor Potential Converter shows ads.
Which is updated more often, GRE® Test Prep by Galvanize or Potential Converter?
GRE® Test Prep by Galvanize ships an update every 7 months, and Potential Converter every 6 months. Most recently, GRE® Test Prep by Galvanize was updated on October 22, 2026 and Potential Converter on October 5, 2026.

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