Comparison

QuantumPass vs GrideeApp

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

Head to head
About

QuantumPass

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QuantumPass brings two worlds together: a password and key generator, and a small lab to discover quantum randomness. GENERATE • Passwords from 8 to 64 characters: lowercase, uppercase, digits, symbols, ambiguous-character exclusion, forbidden characters and required characters. The estimated entropy is shown with each result. • Diceware passphrases of 3 to 10 words, in French or English depending on the app language, with the separator of your choice. Strengthen a phrase with randomly drawn capitals, substitutions and suffix. • QRNG: 1 to 100 random bits, in binary, decimal, hexadecimal or Base64. • Blockchain RNG: 128 to 512-bit values in Hex, Base64 or Base58, for your keys and seeds. • All these values come from Apple's cryptographic generator. UNDERSTAND • BB84 demo: follow the key exchange between Alice and Bob, and watch Eve the eavesdropper given away by the error rate. • Qubit Lab: measure a simulated qubit in the Z or X basis and watch the statistics build up. • Bloch sphere: set the θ angle and compare theoretical probabilities with measured frequencies. • Reproducible mode: a seed to replay the same demonstration, in class or in a workshop. • PRNG vs TRNG: two animated panels to see the difference between simulated and hardware randomness. • Built-in tutorial and a 10-question quiz. PRACTICAL • Secure clipboard: whatever you copy stays on the device and is cleared after 60 seconds. • In French and English, on iPhone, iPad and Mac. • Tip Jar: support development right from the app. PRIVACY QuantumPass works offline. All calculations are performed on your device. No account, no ads, no data collected. QuantumPass is an educational tool: its "quantum generator" is a simulation, fed by the system's secure random source.

About

GrideeApp

This application streamlines campus parking by reducing congestion and improving space utilization. It allows for advance and instant bookings based on real-time availability, with easy check-in and check-out via license plate scanning.

Highlights
  • Coin-based parking system
  • Refundable parking fees
  • Reduce parking congestion
  • Improve space utilization
  • Advance and instant bookings
  • Real-time availability
  • License plate scanning check-in/out
Features
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Gridee brings together parking software, mobile apps, ANPR validation, optional boom barriers and on-ground Gridee operators for one complete parking stack.

Screenshots

QuantumPass4 screens
GrideeApp4 screens

Verdict

The call

The clearest difference is in-app purchases: GrideeApp at none against QuantumPass's 3. GrideeApp also leads on update cadence (every 3 weeks vs every 10 months). On price, ads, device support and iOS requirement 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. QuantumPass sells 3 one-off in-app purchases. GrideeApp asks for nothing beyond the download.

UpkeepUpdate frequency

QuantumPass ships an update every 10 months, GrideeApp every 3 weeks. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 8 level
QuantumPass versus GrideeApp: the parameters behind the verdict, then further details
ParameterQuantumPassGrideeApp
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—72.5% of reviews
Number of ratings—1 — better
Update frequencyEvery 10 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS17.617.6
Further details — not scored
Size3 MB25 MB
Age rating4+17+
DeveloperValerie OteroMurugan Ambigapathy

In-app purchases

3 purchases

QuantumPass

One-time3
  • Small coffee$1.99
  • Medium coffee$3.99
  • Large coffee$5.99
None

GrideeApp

No in-app purchases

Questions

Is QuantumPass free?
QuantumPass is free to download, with in-app purchases available.
Is GrideeApp free?
GrideeApp is free to download, with no in-app purchases.
Do QuantumPass or GrideeApp have ads?
Neither QuantumPass nor GrideeApp shows ads.
Which is updated more often, QuantumPass or GrideeApp?
QuantumPass ships an update every 10 months, and GrideeApp every 3 weeks. Most recently, QuantumPass was updated on October 6, 2026 and GrideeApp on October 12, 2026.

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