CalcFormula vs Bolt Calculation & Analysis
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CalcFormula
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CalcFormula is a formula calculator designed for study and work. It helps you save frequently used expressions, reuse them anytime, and reduce repetitive typing and recalculation. Create and manage your own formula entries, then input variable values to get results instantly. For complex expressions, CalcFormula provides clear formula display and editing so you can verify structure and avoid input mistakes. Whether you are reviewing for school, doing engineering conversions, making financial estimates, or handling daily repeated calculations, CalcFormula helps you build a reusable personal formula library. Key Features: Formula Management: Create, edit, and delete formulas in one place Variable Input: Enter parameter values and calculate in real time Formula Display: Readable rendered formula preview Common Formula Library: Built-in references for quick access Local Data: Your formulas are stored locally on your device
Bolt Calculation & Analysis
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Analyze the strength of fasteners in seconds with the Bolt Analysis App, developed specifically for engineers and technical teams. Easily perform calculations for stress, shear force, torque, tightening force, and safety factors. Key Features: - Fast Bolt Strength Calculations: Instant and accurate results. - Metric & Imperial Support: Complete flexibility for global standards. - Material & Grade Selection: Wide range of material and quality class options. - Torque & Preload Analysis: Advanced calculation tools for secure joints. - User-Friendly Engineering Interface: Clean, intuitive, and practical design. - On-Site & Production Ready: Instant use directly on the field or manufacturing floor. A professional analysis tool tailored for the machinery, automotive, defense, aerospace, and manufacturing industries.
Screenshots
Verdict
The clearest difference is in-app purchases: Bolt Calculation & Analysis at none against CalcFormula's 1. Bolt Calculation & Analysis also leads on iOS requirement (17.0 vs 26.0). 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
Both are free to download. CalcFormula sells 1 one-off in-app purchase. Bolt Calculation & Analysis asks for nothing beyond the download.
| Parameter | CalcFormula | Bolt Calculation & Analysis |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 16 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | 仲达 夏 | KORAY GULPINAR |
In-app purchases
CalcFormula
- CalcFormula PRO$0.99
Bolt Calculation & Analysis
No in-app purchases
Questions
Is CalcFormula free?
Is Bolt Calculation & Analysis free?
Do CalcFormula or Bolt Calculation & Analysis have ads?
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