# Seven Toolbox vs Transformer Calculation Tool

The clearest difference is device support: Transformer Calculation Tool at 3 against Seven Toolbox's 1. Transformer Calculation Tool also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Seven Toolbox sells 2 in-app purchases, starting at $5.99 per month and Transformer Calculation Tool sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Seven Toolbox ships an update every 3 weeks, Transformer Calculation Tool every 4 weeks. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Seven Toolbox | Transformer Calculation Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/seven-toolbox/id6758780635/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Freemium | — |
| Size | 33 MB | 57 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [天津七点互动科技有限公司](https://appshunter.io/developer/1765269075) | [Shraddhaben Parmar](https://appshunter.io/developer/1889769325) |

## What reviewers say

### Seven Toolbox

[App page](https://appshunter.io/ios/app/seven-toolbox/id6758780635)

This app offers over 50 professional tools, including a ruler, compass, protractor, and flashlight, all in one convenient package. Unlock advanced features like image and video editing with a subscription. Simplify tasks with this versatile digital toolbox.

**Highlights:** Ruler for precise measurements, Compass for navigation, Protractor using camera, Level for surface checks, Flashlight with strobe, Decibel meter for sound levels, Image and video editing tools

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $5.99 | per month |
| Pro Yearly | $29.99 | per year |


### Transformer Calculation Tool

[App page](https://appshunter.io/ios/app/transformer-calculation-tool/id6772152007)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $9.99 | one-time |


## Frequently asked questions

### Is Seven Toolbox free?

Seven Toolbox is free to download, with in-app purchases available.

### Is Transformer Calculation Tool free?

Transformer Calculation Tool is free to download, with in-app purchases available.

### Do Seven Toolbox or Transformer Calculation Tool have ads?

Neither Seven Toolbox nor Transformer Calculation Tool shows ads.

### Which is updated more often, Seven Toolbox or Transformer Calculation Tool?

Seven Toolbox ships an update every 3 weeks, and Transformer Calculation Tool every 4 weeks. Most recently, Seven Toolbox was updated on October 11, 2026 and Transformer Calculation Tool on October 3, 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.*