Comparison

Vox Presenter vs Math Shield

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

Head to head
About

Vox Presenter

This app acts as a voice-activated teleprompter and presentation remote. It automatically advances slides based on your speech and offers an Apple Watch companion for stage control. Features include multi-language support and rehearsal analytics.

Highlights
  • Real-time voice-activated teleprompter
  • Automatic PowerPoint slide advancement
  • Apple Watch stage remote
  • Import .pptx, .docx, .pdf, .rtf files
  • Offline speech recognition
  • Rehearsal analytics (WPM, duration)
Features
Read full description

Delivering a keynote, presenting PowerPoint (.pptx) slides, or recording a video? Stop scrolling manually and never lose eye contact with your audience again. Vox Presenter is the smart voice-activated teleprompter and Mac/PC slide presenter that tracks your voice word by word in real time and advances your presentation slides automatically—with a dedicated Apple Watch stage remote. WHY SPEAKERS & CREATORS CHOOSE VOX PRESENTER • Real-Time Word-by-Word Voice Tracking: read naturally, pause whenever you want to engage your audience, and resume effortlessly. Vox Presenter follows your exact speaking pace. • Direct PowerPoint (.pptx), Word (.docx), PDF & RTF Import: import your PowerPoint (.pptx) slide decks and automatically extract speaker notes slide by slide in one tap. • Apple Watch Stage Remote: advance Mac & PC slides blind from your wrist with distinct haptics, control slides and teleprompter paragraphs independently, glance at your lines, and scrub with the Digital Crown. • Automatic Mac & Windows Slide Remote: pair with our free macOS and Windows companion app so every paragraph transition automatically advances your slides in PowerPoint, Keynote, Google Slides, or Canva—or control slides manually from your iPhone or Apple Watch. • Studio OLED Black Mode & 45° Mirroring: pure black OLED theme with horizontal and vertical screen flip built for professional beam-splitter teleprompter glass and dark stages. • Multi-Speaker Scripts: use [Speaker] tags with automatic color-coding for co-presentations, panels, and interviews. • Live Timer, WPM Auto-Scroll & Rehearsal Analytics: adjust font size on the fly (aA), monitor your elapsed time, switch to timed WPM scrolling, and review your duration, speaking speed (WPM), and voice accuracy after every run. • 35+ Languages & On-Device Speech Recognition: voice tracking works offline on supported languages directly on your iPhone or iPad, with no audio recordings stored. BUILT FOR: • Keynote speakers, executives, and conference presenters • Video creators, educators, and broadcast journalists • Anyone presenting PowerPoint or Keynote decks who wants natural eye contact Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Math Shield

This app helps you reduce distractions by requiring you to solve a math problem before accessing blocked applications. It creates a barrier to break automatic habits and encourages more intentional screen time.

Highlights
  • Block distracting apps
  • Unlock with math challenges
  • Temporary app access
  • Reduce screen time
  • Build focus habits
  • Easy setup
Features
Read full description

Stay Focused with Math Shield Math Shield helps you reduce distractions and build better focus habits by placing a math challenge between you and your most distracting apps. Instead of mindlessly opening social media, games, or other time-wasting apps, you'll need to solve a math problem before gaining temporary access. This simple barrier helps break automatic habits and encourages intentional screen time. Key Features Block Distracting Apps: Choose the apps you want to limit and keep them locked during focus sessions. Unlock with Math Challenges: Solve math problems before accessing blocked apps. Temporary App Access: Gain limited access after successfully completing a challenge. Stay Productive: Create friction between impulses and distractions to help maintain focus. Easy Setup: Select apps, choose your preferences, and let Math Shield help you stay on track. Perfect For - Students who want to focus on studying - Professionals who need distraction-free work sessions - Anyone looking to reduce screen time - People building healthier digital habits Whether you're studying, working, reading, or spending time with family, Math Shield helps you take control of your attention—one challenge at a time. Download Math Shield and make every app unlock a conscious decision. To enjoy the full experience and to gain all the premium features, you can always purchase our Monthly, Yearly or Lifetime premium subscription pack. Math Shield will automatically charge your iTunes Account at the end of your subscription unless auto-renew is turned off at least 24 hours before the end of your current period. Subscriptions renew at the original price. You can turn off auto-renew at any time and still receive full functionality until the end of your current period, but no refund can be provided for unused portions of the subscription. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. All your previous purchases can be easily restored using the **Restore Purchase** option in the app. This will provide you access to all the premium features. You can view Math Shield Terms of Use & Privacy Policy. Terms of Use (EULA):  https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://github.com/vinothvino42/app-privacy-policy/blob/main/math-shield.md

Screenshots

Vox Presenter4 screens
Math Shield4 screens

Verdict

The call

The clearest difference is rating: Vox Presenter at 5.0 against Math Shield's 1.0. Vox Presenter also leads on device support (3 vs 1) and iOS requirement (17.0 vs 26.0). On price, ratings volume, update cadence and ads 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. Vox Presenter sells 2 in-app purchases, starting at $24.99 per year and Math Shield sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Vox Presenter holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Vox Presenter ships an update every 4 days, Math Shield every 2 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Vox Presenter versus Math Shield: the parameters behind the verdict, then further details
ParameterVox PresenterMath Shield
PriceFreeFree
Rating5.0 (1 ratings) — better1.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings11
Update frequencyEvery 4 daysEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS17.0 — better26.0
Further details — not scored
Size22 MB20 MB
Age rating4+4+
DeveloperXavier LarrodeVinoth Ramajeyam

In-app purchases

2 purchases

Vox Presenter

Subscriptions1
  • VoxPresenter Pro7 Days trial$24.991 Year
One-time1
  • VoxPresenter Pro – Lifetime$49.99
3 purchases

Math Shield

Subscriptions2
  • Math Shield Pro Monthly$3.991 Month
  • Math Shield Pro Yearly3 Days trial$12.991 Year
One-time1
  • Math Shield Pro - Lifetime$19.99

Questions

Is Vox Presenter free?
Vox Presenter is free to download, with in-app purchases available.
Is Math Shield free?
Math Shield is free to download, with in-app purchases available.
Which has better reviews, Vox Presenter or Math Shield?
Vox Presenter is rated higher. Vox Presenter averages 5.0 out of 5 from 1 ratings, while Math Shield averages 1.0 from 1 ratings.
Do Vox Presenter or Math Shield have ads?
Neither Vox Presenter nor Math Shield shows ads.
Which is updated more often, Vox Presenter or Math Shield?
Vox Presenter ships an update every 4 days, and Math Shield every 2 days. Most recently, Vox Presenter was updated on November 5, 2026 and Math Shield on October 31, 2026.

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