# Vortex Tool Co. vs i

The clearest difference is rating: Vortex Tool Co. at 3.8 against i's 2.6. Vortex Tool Co. also leads on review sentiment (75% vs 33%) and update cadence (every 3 months vs every 13 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Vortex Tool Co. holds the better App Store score, 3.8 against 2.6. Both are backed by a comparable volume of ratings — 4 and 9 respectively. Written reviews point the same way: 75% of Vortex Tool Co.'s written reviews are positive against 33% of i's.

Vortex Tool Co. ships an update every 3 months, i every 13 months. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Vortex Tool Co. | i |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/vortex-tool-co/id908151886/reviews)** | [2.6 (9 ratings)](https://appshunter.io/ios/app/i-machinist/id1456473668/reviews) |
| Number of ratings | 4 | **9** |
| Positive reviews | **75.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Monetization | Free | Free |
| Size | 25 MB | 8 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BiznetIS Net Inc](https://appshunter.io/developer/682007657) | [ilan TETRUASHVILI](https://appshunter.io/developer/940821251) |

## What reviewers say

### Vortex Tool Co.

[App page](https://appshunter.io/ios/app/vortex-tool-co/id908151886)

This utility helps CNC router operators select the right tool for their cutting tasks. It provides specific tool suggestions, feed rates, and RPMs based on your material and cut type. The app also includes helpful calculators for chip load, RPM, and feed rate.

**Highlights:** Tool selection based on material and cut type, Specific tool suggestions, Feed rate and RPM recommendations, Chip load calculator, RPM calculator, Feed rate calculator, Metric conversion

**Features:** macOS Compatibility

**In-app purchases:** none


### i

[App page](https://appshunter.io/ios/app/i-machinist/id1456473668)

This utility app assists machinists with CNC calculations, including cutting speed, RPM, and feed rate. It also provides databases for hole and shaft tolerances, as well as detailed thread specifications.

**Highlights:** Cutting speed calculation, RPM calculation, Feed rate calculation, Hole and shaft tolerance database, Thread data, Milling, drilling, and turning operations

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

**In-app purchases:** none


## Frequently asked questions

### Is Vortex Tool Co. free?

Vortex Tool Co. is free to download, with no in-app purchases.

### Is i free?

i is free to download, with no in-app purchases.

### Which has better reviews, Vortex Tool Co. or i?

Vortex Tool Co. is rated higher. Vortex Tool Co. averages 3.8 out of 5 from 4 ratings, while i averages 2.6 from 9 ratings.

### Do Vortex Tool Co. or i have ads?

Neither Vortex Tool Co. nor i shows ads.

### Which is updated more often, Vortex Tool Co. or i?

Vortex Tool Co. ships an update every 3 months, and i every 13 months. Most recently, Vortex Tool Co. was updated on October 6, 2026 and i 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.*