Comparison

Lock Tool vs Bellows Design Software

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

Head to head
About

Lock Tool

Features
Read full description

The cLock tool is a tool that is provided specially for the hotel and apartment customers to configure network of the PINE WORLD WIFi door lock.It needs to cooperate with the supporting backstage management system, so as to realize the remote control of all the locks of all hotels and apartments.

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

Screenshots

Lock Tool4 screens
Bellows Design Software4 screens

Verdict

The call

The clearest difference is in-app purchases: Lock Tool at none against Bellows Design Software's 2. Lock Tool also leads on iOS requirement (12.0 vs 16.0). Bellows Design Software's advantage is update cadence (monthly vs every 3 months). On price, ads 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. Bellows Design Software sells 2 in-app purchases, starting at $34.99 per month. Lock Tool asks for nothing beyond the download.

UpkeepUpdate frequency

Lock Tool ships an update every 3 months, Bellows Design Software monthly. The most recent releases landed on September 13, 2026 and September 15, 2026 respectively.

Scorecard3 real differences · 6 level
Lock Tool versus Bellows Design Software: the parameters behind the verdict, then further details
ParameterLock ToolBellows Design Software
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, Mac — better
Requires iOS12.0 — better16.0
Further details — not scored
Size19 MB26 MB
Age rating4+4+
DeveloperShenzhen Zhixin Wulian Technology Co., Ltd.V PUGAZHENTHI

In-app purchases

None

Lock Tool

No 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

Questions

Is Lock Tool free?
Lock Tool is free to download, with no in-app purchases.
Is Bellows Design Software free?
Bellows Design Software is free to download, with in-app purchases available.
Do Lock Tool or Bellows Design Software have ads?
Neither Lock Tool nor Bellows Design Software shows ads.
Which is updated more often, Lock Tool or Bellows Design Software?
Lock Tool ships an update every 3 months, and Bellows Design Software monthly. Most recently, Lock Tool was updated on September 13, 2026 and Bellows Design Software on September 15, 2026.

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