Karnaugh Map Advanced vs VoiceMaxxing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Karnaugh Map Advanced
Simplify complex Boolean algebra expressions using a Karnaugh map. Input logic functions via text, map, or truth table to find minimized solutions. Supports up to 8 variables and includes a history feature.
- Minimize logic functions
- Input via text, map, or truth table
- Supports up to 8 variables
- History option
- Handles Don't care conditions
- Visualizes minimized components
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The Karnaugh map is a method to simplify Boolean algebra expressions. In a Karnaugh map the boolean variables are transferred (generally from a truth table) and ordered according to the principles of Gray code in which only one variable changes in between adjacent squares. Once the table is generated and the output possibilities are transcribed, the data is arranged into the largest possible groups containing 2n cells (n=0,1,2,3...) and the minterm is generated through the axiom laws of boolean algebra. We have designed this application primarily to support students studying electronic engineering, although it is useful in other disciplines including computer science and mathematics. Features: - Minimize logic function entered as text, Karnaugh map or truth table - Up to 8 variables - Contains History option - Supports the Don't care condition - Shows representation of each minimized component in the Karnaugh Map
VoiceMaxxing
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VoiceMaxxing turns a short speaking sample into an explainable training plan. Record your natural voice, review five practical speaking metrics, complete focused daily exercises, and compare your progress with consistent weekly recordings. MEASURE WHAT YOU CAN TRAIN • Clarity • Pace • Presence • Tonal variety • Fluency A quality gate checks duration, speech activity, recording level, clipping, and background noise before producing a result. Voice Score is an educational within-person comparison—not a judgment of attractiveness, masculinity, personality, or health. PERSONALIZED DAILY PRACTICE Your goals and latest measurement shape a focused 5–8 minute plan. Each exercise clearly shows: • The exact sentence or speaking prompt • Duration and repetition target • Microphone activity and completion rule • A practical coaching cue • Safety guidance BUILD PROGRESS THAT CONTINUES The first 30 days establish the foundation; the program does not stop there. Weekly re-measurements update your focus, continued levels unlock, and free practice lets you revisit clarity, rhythm, expression, voice, or saved favorites whenever you want. HEAR THE DIFFERENCE Compare your baseline and later recordings under similar conditions. Track Voice Score and every component metric over time instead of relying on a single number. PRIVACY AND SAFETY Core analysis can run on device. Speech insights and cloud analysis require separate consent. VoiceMaxxing is an educational self-training tool, not medical diagnosis or voice therapy. Stop if you experience pain, burning, breathing difficulty, dizziness, or persistent hoarseness and seek qualified care. VoiceMaxxing Pro is available as weekly and annual auto-renewing subscriptions. Payment is charged to your Apple Account. Subscriptions renew unless canceled at least 24 hours before the end of the current period and can be managed in Apple Account settings. Restore Purchases is available in the app. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Service Terms: https://voicemaxxing.dev/en/terms/ Privacy Policy: https://voicemaxxing.dev/en/privacy/
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Verdict
The clearest difference is in-app purchases: Karnaugh Map Advanced at none against VoiceMaxxing's 2. Karnaugh Map Advanced also leads on iOS requirement (14.0 vs 18.0). VoiceMaxxing's advantage is update cadence (daily vs every 9 months). On price, ads 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
Both are free to download. VoiceMaxxing sells 2 in-app purchases, starting at $6.99 per 7 days. Karnaugh Map Advanced asks for nothing beyond the download.
Karnaugh Map Advanced ships an update every 9 months, VoiceMaxxing daily. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.
| Parameter | Karnaugh Map Advanced | VoiceMaxxing |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) — better | — |
| Positive reviews | 69.2% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 9 months | Daily — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 4 MB |
| Age rating | 4+ | 12+ |
| Developer | Ivan Cigic | AHMET EREN |
In-app purchases
Karnaugh Map Advanced
No in-app purchases
VoiceMaxxing
- VoiceMaxxing Pro Weekly$6.997 Days
- VoiceMaxxing Pro Annual$39.991 Year
Questions
Is Karnaugh Map Advanced free?
Is VoiceMaxxing free?
Do Karnaugh Map Advanced or VoiceMaxxing have ads?
Which is updated more often, Karnaugh Map Advanced or VoiceMaxxing?
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