# CNVRT vs FuelTech Vision

The clearest difference is price: FuelTech Vision at Free against CNVRT's $4.99. CNVRT's advantage is update cadence (every 2 weeks vs every 2 months) and device support (4 vs 2). On ads and in-app purchases there is nothing between them.

FuelTech Vision is free to download; CNVRT costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CNVRT ships an update every 2 weeks, FuelTech Vision every 2 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CNVRT | FuelTech Vision |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.5 (19 ratings)](https://appshunter.io/ios/app/cnvrt-si-unit-conversion-tool/id1607762263/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Paid | — |
| Size | 1 MB | 275 MB |
| Requires iOS | **15.0** | 17 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pascal Andraos](https://appshunter.io/developer/1328885685) | [FuelTech](https://appshunter.io/developer/519474170) |

## What reviewers say

### CNVRT

[App page](https://appshunter.io/ios/app/cnvrt-si-unit-conversion-tool/id1607762263)

Instantly convert over 200 units across 20 measurement categories, from weight and length to temperature and data storage. This tool simplifies metric and Imperial conversions for STEM professionals and everyday users alike.

**Highlights:** Over 200 units supported, 20 measurement categories, Instant conversions, Metric and Imperial units, Optimized for Apple devices, STEM and everyday use

**Features:** Vision Pro support

**In-app purchases:** none


### FuelTech Vision

[App page](https://appshunter.io/ios/app/fueltech-vision/id6467269532)

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

**In-app purchases:** none


## Frequently asked questions

### Is CNVRT free?

CNVRT costs $4.99, with no in-app purchases.

### Is FuelTech Vision free?

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

### Do CNVRT or FuelTech Vision have ads?

Neither CNVRT nor FuelTech Vision shows ads.

### Which is updated more often, CNVRT or FuelTech Vision?

CNVRT ships an update every 2 weeks, and FuelTech Vision every 2 months. Most recently, CNVRT was updated on October 24, 2026 and FuelTech Vision on October 30, 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.*