Comparison

Bellows Design Software vs SpamLess

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

SpamLess

Read full description

SpamLess: AI-Powered Spam Text Filter for Unknown Senders Tired of spam texts cluttering your phone? SpamLess uses on-device AI to filter out unwanted messages from unknown numbers—so your inbox stays clean and your data stays private. Smart Spam Detection SpamLess uses a private, on-device AI model to analyze messages only from unknown green bubble numbers (SMS & RCS). If a message looks like spam, it’s automatically filtered into your Junk folder—where you can review it anytime. Privacy First. Always. • No accounts. No tracking. No stored messages. • We never send your messages to the cloud. • Messages are never used for AI training or analytics. • We don’t touch iMessages—they’re end-to-end encrypted and remain untouched. Never Deletes. Just Filters. Filtered messages are never deleted—just hidden in your Messages app for easy access if you need them. Simple Analytics for Better UX We collect anonymous onboarding stats only (like how many users completed setup). No personal data. No message content. Ever. Works Natively with iPhone SpamLess integrates seamlessly with your phone’s built-in message filtering system—no complicated setup or clunky UI. Find our privacy policy at https://www.getspamless.com/privacy and here is our terms of service and EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Have questions? Need to reach out? Contact us at teamspamless@gmail.com

Screenshots

Bellows Design Software4 screens
SpamLess3 screens

Verdict

The call

The clearest difference is in-app purchases: SpamLess at none against Bellows Design Software's 2. SpamLess also leads on update cadence (fortnightly vs monthly). Bellows Design Software's advantage is device support (3 vs 1) and iOS requirement (16.0 vs 18.0). On price 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. Bellows Design Software sells 2 in-app purchases, starting at $34.99 per month. SpamLess asks for nothing beyond the download.

UpkeepUpdate frequency

Bellows Design Software ships an update monthly, SpamLess fortnightly. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

Scorecard4 real differences · 5 level
Bellows Design Software versus SpamLess: the parameters behind the verdict, then further details
ParameterBellows Design SoftwareSpamLess
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Mac — betteriPhone
Requires iOS16.0 — better18.0
Further details — not scored
Size26 MB40 MB
Age rating4+4+
DeveloperV PUGAZHENTHISantarelli Apps, LLC

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
None

SpamLess

No in-app purchases

Questions

Is Bellows Design Software free?
Bellows Design Software is free to download, with in-app purchases available.
Is SpamLess free?
SpamLess is free to download, with no in-app purchases.
Do Bellows Design Software or SpamLess have ads?
Neither Bellows Design Software nor SpamLess shows ads.
Which is updated more often, Bellows Design Software or SpamLess?
Bellows Design Software ships an update monthly, and SpamLess fortnightly. Most recently, Bellows Design Software was updated on October 2, 2026 and SpamLess on October 1, 2026.

Other comparisons