60
BU Score
Solid
Pupil Distance PD Express
✍️ BU Analytics Review
“
Pupil Distance PD Express is an iOS app from Tech Positive in the Education category, currently rated 4.5★ across 99 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.
Our BU Score puts it at 60 — Solid (established niche player). For a Education app, that means established niche player.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
creator
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 6 of 6 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($0.00)METRIC | +$2,800 | |
| excellent appREVIEW | +$1,500 | |
| Good rating (4.5★)METRIC | +$800 | |
| Established app (7y old)METRIC | +$800 | |
| Single-language (English only)METRIC | −$400 | |
| Pre-traction phase (99 ratings)METRIC | −$300 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 970 KB🔞 4+📱 iOS 18.0+🔖 v1.1.2🔄 updated 6d ago🌐 EN📂 Education💰 Paid🚀 Launched 2018 (7y old)
📝 About this app
● No cards needed ● No steps involved ● Highly accurate
Just open the app and get your PD in under 1 second.
PD, Pupil Distance or Pupillary Distance, is the distance between the center of your pupils in millimeters. This measurement is required for making prescription eyeglasses and prescription Virtual Reality (VR) Headsets.
The app will automatically detect your pupils and provide you with your distance and reading PDs.
This app requires a device with a TrueDepth front-facing camera. It is only available for:
● iPhone X, XS, XR, XS Max, and later models
● iPad Pro 3rd Gen 2018 and later models
Just open the app and get your PD in under 1 second.
PD, Pupil Distance or Pupillary Distance, is the distance between the center of your pupils in millimeters. This measurement is required for making prescription eyeglasses and prescription Virtual Reality (VR) Headsets.
The app will automatically detect your pupils and provide you with your distance and reading PDs.
This app requires a device with a TrueDepth front-facing camera. It is only available for:
● iPhone X, XS, XR, XS Max, and later models
● iPad Pro 3rd Gen 2018 and later models
🆕 What's New · v1.1.2
- Minor bug fixes.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Pupil Distance PD Express
- Developer
- Tech Positive
- Bundle ID
- co.TechPositive.PD-Express
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- 4+
- Languages
- EN
Company
- Website
- www.TechPositive.co
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $8.7K/mo
- Top-grossing rank
- Outside top 100 in US Education
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- https://twitter.com/Tech_Positive
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- facebook · twitter
- Not found
- Phone
- Not found
- Contact page
- http://www.TechPositive.co/contact.html
- About page
- Not found
📈Ratings growth99 ratings+9800% lifetimeShow 3-year history estimate ▾
Tracked (13 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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