# Bolt Torque Spec Calc vs Any Formula

The clearest difference is price: Any Formula at Free against Bolt Torque Spec Calc's $4.99. Bolt Torque Spec Calc's advantage is in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

Any Formula is free to download; Bolt Torque Spec Calc costs $4.99 up front. Any Formula sells 1 one-off in-app purchase. Bolt Torque Spec Calc asks for nothing beyond the download.

Bolt Torque Spec Calc ships an update every 3 weeks, Any Formula monthly. Both last shipped on October 14, 2026.

## The numbers

| Metric | Bolt Torque Spec Calc | Any Formula |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/any-formula/id6761690225/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Freemium |
| Size | 1 MB | 3 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Sheyuan Network Technology Co., Ltd.](https://appshunter.io/developer/1560626858) | [Aihotey LLC](https://appshunter.io/developer/1890912802) |

## What reviewers say

### 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


### Any Formula

[App page](https://appshunter.io/ios/app/any-formula/id6761690225)

Access a vast library of scientific, engineering, and financial formulas for instant calculations. Features smart input validation, customizable themes, and privacy-focused data handling. Unlock all formulas and advanced sharing options with a one-time purchase.

**Highlights:** 572 scientific, engineering, financial formulas, 9 formula categories, Smart input validation, Customizable themes (Light, Dark, Auto), Favorites and history, Unit customization and auto-conversion, Privacy-focused, no tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Any Formula Pro | $2.99 | one-time |


## Frequently asked questions

### Is Bolt Torque Spec Calc free?

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

### Is Any Formula free?

Any Formula is free to download, with in-app purchases available.

### Do Bolt Torque Spec Calc or Any Formula have ads?

Neither Bolt Torque Spec Calc nor Any Formula shows ads.

### Which is updated more often, Bolt Torque Spec Calc or Any Formula?

Bolt Torque Spec Calc ships an update every 3 weeks, and Any Formula monthly. Most recently, Bolt Torque Spec Calc was updated on October 14, 2026 and Any Formula on October 14, 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.*