Comparison

Bellows Design Software vs Dice Roller

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

Head to head
About

Bellows Design Software

This application assists in designing metallic bellows type expansion joints according to EJMA Standards. It allows users to input various design parameters and movement inputs to ensure safe and reliable usage. The software performs comprehensive calculations and checks against EJMA conditions for different bellows configurations and materials.

Highlights
  • Design metallic bellows expansion joints
  • Input internal diameter, convolution height, ply thickness, pitch, and number of plies
  • Set design pressure, temperature, and movements
  • Check design parameters against EJMA Standards
  • Calculations for single and dual bellows
  • Includes vibration and bellows forming methods
  • Calculations for tie rods, lugs plate, and hinges
Read full description

Bellows Design Software is developed based on EJMA Standards 10th edition. Useful in designing Metallic Bellows type Expansion joints for safe and reliable usage. Select Internal Diameter of Bellows, Convolution Height, Ply thickness, Pitch and Number of Plies. Set Design Pressure and Temperature. Choose Bellows Materials,  Input Axial, Lateral and Angular Movements. Include Collar, Spool and Cycle Life and GO. App checks the design parameters with all set of Conditions to be met as per EJMA Standard. Calculations include Single, Dual Bellows with over a long list of Materials. Other Features : Includes Vibration, Bellows Forming Methods - ( in the creep range, above the creep range ) Calculations for Annealed Bellows. Set Factors - Weld Factor, Fatigue Safety Factor and Forming Method Factor Set Constants for Axial Vibration and Lateral Vibration. Separate Calculations for Tie Rods, Lugs Plate and Hinges are included. Terms of Use : https://sites.google.com/view/bellowsdesignsoftware Privacy Policy : https://sites.google.com/view/bellowsdesignsoftware

About

Dice Roller

Transform your device into a quick and intuitive dice roller for board games and RPGs. Experience realistic physics, synchronized sound, and haptic feedback with clear display of individual results and totals. Keep track of your recent rolls for convenience.

Highlights
  • Supports D4, D6, D8, D10, D20 dice
  • Roll up to 12 dice simultaneously
  • Realistic physics-based dice motion
  • Synchronized sound and haptic feedback
  • Displays individual results and total
  • History of 100 most recent rolls
Features
Read full description

Turn your iPhone or iPad into a fast and easy dice roller. Dice Box makes every roll simple and intuitive with smooth 2D dice physics, synchronized sound, and haptic feedback. Choose your dice type, set the quantity, and roll — individual results and the total are always clear and easy to read. QUICK TO ROLL • Choose D4, D6, D8, D10, or D20 dice • Roll 1 to 12 dice at once • Tap the dice area or use the Roll button • See individual results and an automatic total • Review your 100 most recent rolls REALISTIC ROLLS • Physics-based dice motion and collisions • Synchronized sound and haptic feedback Whether you’re playing a board game, starting a tabletop adventure, making a quick decision, or replacing missing dice, Dice Box keeps every roll simple and ready.

Screenshots

Bellows Design Software4 screens
Dice Roller4 screens

Verdict

The call

The clearest difference is ads: Bellows Design Software at none against Dice Roller's shown. Dice Roller's advantage is update cadence (every 3 days vs monthly). On price, rating, ratings volume and in-app purchases 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. Bellows Design Software sells 2 in-app purchases, starting at $34.99 per month and Dice Roller sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Bellows Design Software against 5.0 for Dice Roller. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Bellows Design Software ships an update monthly, Dice Roller every 3 days. The most recent releases landed on October 19, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 7 level
Bellows Design Software versus Dice Roller: the parameters behind the verdict, then further details
ParameterBellows Design SoftwareDice Roller
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyMonthlyEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size26 MB7 MB
Age rating4+4+
DeveloperV PUGAZHENTHI振山 董

Customer experience

Bellows Design Software

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Dice Roller

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Bellows Design Software

Subscriptions2
  • All Access for Bellows3 Days trial$34.991 Month
  • All Access for Bellows Design14 Days trial$299.991 Year
1 purchases

Dice Roller

One-time1
  • Dice Box Pro$1.99

Questions

Is Bellows Design Software free?
Bellows Design Software is free to download, with in-app purchases available.
Is Dice Roller free?
Dice Roller is free to download, with in-app purchases available.
Which has better reviews, Bellows Design Software or Dice Roller?
Bellows Design Software and Dice Roller are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Bellows Design Software or Dice Roller have ads?
Dice Roller shows ads; Bellows Design Software does not.
Which is updated more often, Bellows Design Software or Dice Roller?
Bellows Design Software ships an update monthly, and Dice Roller every 3 days. Most recently, Bellows Design Software was updated on October 19, 2026 and Dice Roller on October 10, 2026.

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