Comparison

Paper Pros vs E

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

Head to head
About

Paper Pros

This app simplifies paper calculations for professionals. It offers tools to quickly determine paper sizes, weights, thickness, and perform various conversions on the go.

Highlights
  • Paper size calculation
  • Weight calculation
  • Thickness calculation
  • Conversions
  • On-the-go calculations
Features
Read full description

Make paper math easier with Case Paper’s paper and price calculators! Quickly calculate paper sizes, weights, thickness, conversions, and more while you’re on the go.

About

E

Features
Read full description

E-Switchy App: Transform your bicycle into an electric bike using the E-Switchy kit and the E-Switchy app. Designed exclusively for E-Switchy conversion kits, the app gives you full control of your riding experience from your smartphone. Key Features: Connect to your E-Switchy e-bike via Bluetooth. (Follow the installation guide for step-by-step) Monitor real-time ride data, including speed, battery level, trip distance, uphill distance, calories burned, and ride time. Choose from multiple riding modes to match your terrain and riding style. Customize pedal assist settings for a personalized riding experience. Track your rides and view trip statistics. Update your kit with the latest firmware to improve performance and add new features. Calibrate your system for optimal accuracy and reliability for best performance. View system information and diagnostic data to help with troubleshooting. Whether you're commuting, exercising, or exploring new routes, the E-Switchy app makes every ride smarter, more efficient, and more enjoyable. Note: The E-Switchy app is compatible only with E-Switchy conversion kits only.

Screenshots

Paper Pros3 screens
E4 screens

Verdict

The call

The clearest difference is update cadence: Paper Pros at fortnightly against E's every 4 months. Paper Pros also leads on iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Paper Pros ships an update fortnightly, E every 4 months. The most recent releases landed on September 11, 2026 and July 29, 2026 respectively.

Scorecard2 real differences · 7 level
Paper Pros versus E: the parameters behind the verdict, then further details
ParameterPaper ProsE
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyFortnightly — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.6
Further details — not scored
Size33 MB38 MB
Age rating4+12+
DeveloperCase Paper Co., Inc.E-SWITCHY

In-app purchases

None

Paper Pros

No in-app purchases

None

E

No in-app purchases

Questions

Is Paper Pros free?
Paper Pros is free to download, with no in-app purchases.
Is E free?
E is free to download, with no in-app purchases.
Do Paper Pros or E have ads?
Neither Paper Pros nor E shows ads.
Which is updated more often, Paper Pros or E?
Paper Pros ships an update fortnightly, and E every 4 months. Most recently, Paper Pros was updated on September 11, 2026 and E on July 29, 2026.

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