Comparison

Quantum Programming Compiler vs ST Translator

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

Head to head
About

Quantum Programming Compiler

Learn and execute quantum computing code directly on your mobile device. This app offers tutorials for beginners and professionals, a code editor with syntax highlighting, and the ability to compile and run quantum programs using Python 3.7.

Highlights
  • Compile and run quantum programs
  • Syntax highlighting editor
  • Custom keyboard for quantum characters
  • Plotting and graphing support
  • Easy and advanced tutorials
  • Open, save, import, and share files
Features
Read full description

Write quantum codes directly on your iPhone, iPad and iPod Touch! This app is ideal for learning and testing code snippets! Quantum computing is touted as the next big thing in the computer revolution! The app allows you to learn and program in quantum! It is intended for anybody who has at least some basic programming skills. The tutorials are designed for beginners as well as professionals. The app uses the QISKit SDK and simulator (https://github.com/Qiskit/) licensed under Apache 2.0. Coding is done in Python 3.7. Features: - Compile and run your quantum program - Supports plotting and graphing - View program output or detailed error - Custom keyboard for easy input of frequently used characters - Optimized for connecting with external physical/bluetooth keyboard - Source code editor with syntax highlighting and line numbers - Open, save, import and share source files. - Easy and advanced tutorials Limitations: - Internet connection is required for compilation - Maximum program running time is 20s - One file can be run at a time - It is recommended to use no more than 8 qubits GET FULL ACCESS Upgrade to a Premium Membership and Receive the Following Ongoing Value: • No ads • Unlimited plots • Install packages • Latest interpreters If you choose to purchase a subscription, payment will be charged to your iTunes account, and your account will be charged within 24-hours prior to the end of the free trial or current period. Subscription with a free trial period will automatically renew to a paid subscription. Any unused portion of a free trial period (if offered) will be forfeited when you purchase a premium subscription during the free trial period. You can cancel the automatic renewal of your subscription at any time by going to your settings in the iTunes store after purchase. The cancellation will take effect the day after the last day of the current subscription period, and you will be downgraded to the free service. Terms & Conditions: https://kappsmart.com/quantumcompiler/terms.html Privacy Policy: https://kappsmart.com/quantumcompiler/privacy_policy.html

About

ST Translator

This app facilitates real-time voice translation for travel and group communication. It supports over 30 languages with both verbal and visual output, acting as a language tutor or broadcast tool.

Highlights
  • Real-time 2-way voice translation
  • Multiple communication modes (face-to-face, group, instant)
  • Supports over 30 languages
  • Verbal and visual translation output
  • Language learning and practice modes
  • Broadcast to groups
Features
Read full description

Welcome to use ST Translator, the ST Translator is specially designed to work with the Supreme Translation Earphone. The ST Translator comes with below outstanding features: 1. Real-time 2 way voice translation with 5 optional modes: * Face to face communication. Communicate in real time with people you meet during traveling. * Group communication. Communicate in real time with a group of people, each in their own language. * Instant communication. Communicate in real time with another user who has the translator earphone. * Language tutor. Practice & learn languages by using the translator earphone. * Broadcast. Speak to a group of people who use the translator earphone, each in their own language. 2. Support more than 30 different languages. 3. Verbal and visual translations. 4. Your best tool when you visit a foreign country.

Screenshots

Quantum Programming Compiler4 screens
ST Translator2 screens

Verdict

The call

The clearest difference is review sentiment: Quantum Programming Compiler at 67% against ST Translator's 0%. Quantum Programming Compiler also leads on rating (3.4 vs 3.0). ST Translator's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, ratings volume 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. Quantum Programming Compiler sells 4 in-app purchases, starting at $2.99 per month. ST Translator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Quantum Programming Compiler holds the better App Store score, 3.4 against 3.0. Both are backed by a comparable volume of ratings — 8 and 3 respectively. Written reviews point the same way: 67% of Quantum Programming Compiler's written reviews are positive against 0% of ST Translator's.

UpkeepUpdate frequency

Quantum Programming Compiler ships an update monthly, ST Translator every 2 weeks. Both last shipped on November 2, 2026.

Scorecard7 real differences · 3 level
Quantum Programming Compiler versus ST Translator: the parameters behind the verdict, then further details
ParameterQuantum Programming CompilerST Translator
PriceFreeFree
Rating3.4 (8 ratings) — better3.0 (3 ratings)
Positive reviews66.7% of reviews — better0.0% of reviews
Number of ratings8 — better3
Update frequencyMonthlyEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.010.0 — better
Further details — not scored
Size25 MB103 MB
Age rating4+4+
DeveloperKetan AppaCasa Innovations Group LLC

Customer experience

Quantum Programming Compiler

All ratings8 ratings
Positive62.5%
Neutral0.0%
Negative37.5%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

ST Translator

All ratings3 ratings
Positive33.3%
Neutral33.3%
Negative33.3%
Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

In-app purchases

4 purchases

Quantum Programming Compiler

Subscriptions3
  • 1 Month Subscription$2.991 Month
  • 6 Months$11.996 Months
  • 1 Year$17.991 Year
One-time1
  • Upgrade$6.99
None

ST Translator

No in-app purchases

Questions

Is Quantum Programming Compiler free?
Quantum Programming Compiler is free to download, with in-app purchases available.
Is ST Translator free?
ST Translator is free to download, with no in-app purchases.
Which has better reviews, Quantum Programming Compiler or ST Translator?
Quantum Programming Compiler is rated higher. Quantum Programming Compiler averages 3.4 out of 5 from 8 ratings, while ST Translator averages 3.0 from 3 ratings.
Do Quantum Programming Compiler or ST Translator have ads?
Quantum Programming Compiler shows ads; ST Translator does not.
Which is updated more often, Quantum Programming Compiler or ST Translator?
Quantum Programming Compiler ships an update monthly, and ST Translator every 2 weeks. Most recently, Quantum Programming Compiler was updated on November 2, 2026 and ST Translator on November 2, 2026.

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