# Conversion Calculator vs Speak2Text

The clearest difference is in-app purchases: Speak2Text at none against Conversion Calculator's 1. Speak2Text also leads on update cadence (every 2 days vs every 5 weeks) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Conversion Calculator sells 1 one-off in-app purchase. Speak2Text asks for nothing beyond the download.

Conversion Calculator ships an update every 5 weeks, Speak2Text every 2 days. The most recent releases landed on November 8, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Conversion Calculator | Speak2Text |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (165 ratings)](https://appshunter.io/ios/app/conversion-calculator-metric/id6468678523/reviews)** | — |
| Number of ratings | **165** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 1 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Collins Cheruiyot](https://appshunter.io/developer/1579009978) | [DANIEL GREEN](https://appshunter.io/developer/1831356006) |

## What reviewers say

### Conversion Calculator

[App page](https://appshunter.io/ios/app/conversion-calculator-metric/id6468678523)

This utility app offers a comprehensive unit conversion tool for various needs, including cooking, travel, and work. It supports over 120 units across 15 categories, with metric and imperial options. The app works offline and allows for customization of displayed decimals and category order.

**Highlights:** 15 categories and 120+ units, Metric and imperial conversions, Cooking, weight, length, temperature, and more, Offline functionality, Customizable decimal display, Apple Watch app

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access forever | $8.99 | one-time |


### Speak2Text

[App page](https://appshunter.io/ios/app/speak2text/id6751778245)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Conversion Calculator free?

Conversion Calculator is free to download, with in-app purchases available.

### Is Speak2Text free?

Speak2Text is free to download, with no in-app purchases.

### Do Conversion Calculator or Speak2Text have ads?

Neither Conversion Calculator nor Speak2Text shows ads.

### Which is updated more often, Conversion Calculator or Speak2Text?

Conversion Calculator ships an update every 5 weeks, and Speak2Text every 2 days. Most recently, Conversion Calculator was updated on November 8, 2026 and Speak2Text on October 28, 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.*