# Bolt Calculation & Analysis vs Bolt Torque Spec Calc

The clearest difference is price: Bolt Calculation & Analysis at Free against Bolt Torque Spec Calc's $4.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Bolt Calculation & Analysis is free to download; Bolt Torque Spec Calc costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 19, 2026 and August 10, 2026 respectively.

## The numbers

| Metric | Bolt Calculation & Analysis | Bolt Torque Spec Calc |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 4 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KORAY GULPINAR](https://appshunter.io/developer/1847711120) | [Shanghai Sheyuan Network Technology Co., Ltd.](https://appshunter.io/developer/1560626858) |

## What reviewers say

### Bolt Calculation & Analysis

[App page](https://appshunter.io/ios/app/bolt-calculation-and-analysis/id6754289786)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Bolt Torque Spec Calc

[App page](https://appshunter.io/ios/app/bolt-torque-spec-calc/id6760930975)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Bolt Calculation & Analysis free?

Bolt Calculation & Analysis is free to download, with no in-app purchases.

### Is Bolt Torque Spec Calc free?

Bolt Torque Spec Calc costs $4.99, with no in-app purchases.

### Do Bolt Calculation & Analysis or Bolt Torque Spec Calc have ads?

Neither Bolt Calculation & Analysis nor Bolt Torque Spec Calc shows ads.

### Which is updated more often, Bolt Calculation & Analysis or Bolt Torque Spec Calc?

Bolt Calculation & Analysis ships an update every 3 weeks, and Bolt Torque Spec Calc every 3 weeks. Most recently, Bolt Calculation & Analysis was updated on September 19, 2026 and Bolt Torque Spec Calc on August 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*