Comparison

CE5 Contact 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

CE5 Contact

This app guides users in initiating peaceful contact with extraterrestrial civilizations using established protocols. It offers training materials, step-by-step guidance, and tools to connect with like-minded individuals. Features include offline access to core processes and a library of resources.

Highlights
  • Official training materials
  • Step-by-step CE5 process guide
  • Networking for like-minded individuals
  • Comprehensive equipment list
  • Extensive media library
  • Offline mode for core processes
Read full description

CE5 Contact provides instructions and tools to assist you in making peaceful contact with extraterrestrial civilizations as well as locating others in your area who are interested in making contact. The CE5 protocols were developed by Dr. Steven Greer, one of the world’s foremost authorities on the subject of UFOs, extraterrestrial intelligence and technologies, and initiating peaceful contact with interstellar civilizations. Dr. Greer’s relentless efforts towards the disclosure of classified UFO/ET information have inspired millions of supporters around the world. App features: - Official training materials developed by Dr. Greer - CE5 Guide, which provides an overview of all topics surrounding CE5 - CE5 Process, which walks users step-by-step through all aspects of initiating CE5 - Built-in networking functionality for finding and messaging others interested in CE5 - Comprehensive equipment list - Extensive library with video, images, audio samples, and meditations Notes: For active use of the app outdoors during CE5 work where connectivity may be limited, CE5 Contact includes offline mode for the CE5 Process section as well as local storage of previously visited pages or played/downloaded content. CE5 Contact 2.0 and later also allows users to manually download tones and meditations from the Library. Certain sections of the app require an active internet connection, including user sign-up / profile editing, networking, and messaging.

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

CE5 Contact4 screens
Potential Converter3 screens

Verdict

The call

The clearest difference is price: Potential Converter at Free against CE5 Contact's $9.99. Potential Converter also leads on rating (5.0 vs 3.6). CE5 Contact's advantage is update cadence (monthly vs every 6 months) and ratings volume (205 vs 1). On ads, in-app purchases and monetization model 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

Potential Converter is free to download; CE5 Contact costs $9.99 up front. 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 3.6. That said, the two scores are not equally well evidenced: CE5 Contact has 205 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

CE5 Contact ships an update monthly, Potential Converter every 6 months. The most recent releases landed on October 21, 2026 and October 5, 2026 respectively.

Scorecard7 real differences · 4 level
CE5 Contact versus Potential Converter: the parameters behind the verdict, then further details
ParameterCE5 ContactPotential Converter
Price$9.99Free — better
Rating3.6 (205 ratings)5.0 (1 ratings) — better
Positive reviews39.9% of reviews—
Number of ratings205 — better1
Update frequencyMonthly — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank#17 — better—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17
Further details — not scored
Size75 MB0 MB
Age rating12+4+
DeveloperSirius Technology Advanced ResearchDianzhao Lin

Customer experience

CE5 Contact

All ratings204 ratings
Positive60.8%
Neutral11.8%
Negative27.5%
Written reviews278 reviews
Positive39.9%
Neutral20.5%
Negative39.6%

Potential Converter

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

Bugs and requests

CE5 Contact

Reported bugs

17 issues
  • Crop circle tones in contact don't play
  • App is glitching, gets stuck or just closes
  • Audio doesn't work when you push play
  • Sounds don't play
  • Meditations and recordings stopped working after a week
Show 12 more
  • Structure of the Universe Meditation is glitched
  • Can't play sounds, won't work at all
  • Guided meditation audio quality is terrible
  • Can't play the tones or meditations unless using earbuds
  • Meditations no longer play
  • App stopped responding, nothing plays anymore
  • Networking page doesn't work
  • Can't edit profile photo, app crashes
  • Can't log in, freezes on login screen
  • Verification email not working, can't create account
  • Library and other sections won't load
  • Tones are a grey screen now

Requested features

7 requests
  • Messaging Notification option will facilitate networking effectiveness
  • Create a 'create a post' or 'create a group' section on the app
  • Add a message board for local CE5 groups
  • Allow users to change their account username, email and mobile number
  • Improve profile features for the Network section
Show 2 more
  • Add the ability to upload photos/conversations of good areas for CE5
  • Generalize location tracking to city level instead of exact location

Potential Converter

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

CE5 Contact

No in-app purchases

None

Potential Converter

No in-app purchases

Questions

Is CE5 Contact free?
CE5 Contact costs $9.99, with no in-app purchases.
Is Potential Converter free?
Potential Converter is free to download, with no in-app purchases.
Which has better reviews, CE5 Contact or Potential Converter?
Potential Converter is rated higher. CE5 Contact averages 3.6 out of 5 from 205 ratings, while Potential Converter averages 5.0 from 1 ratings.
Do CE5 Contact or Potential Converter have ads?
Neither CE5 Contact nor Potential Converter shows ads.
Which is updated more often, CE5 Contact or Potential Converter?
CE5 Contact ships an update monthly, and Potential Converter every 6 months. Most recently, CE5 Contact was updated on October 21, 2026 and Potential Converter on October 5, 2026.

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