# SpeechCalc vs Drastic Calc

The clearest difference is in-app purchases: Drastic Calc at none against SpeechCalc's 1. SpeechCalc's advantage is ads (none vs shown) and iOS requirement (15.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. SpeechCalc sells 1 one-off in-app purchase. Drastic Calc asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SpeechCalc | Drastic Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/speechcalc/id1636465186/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | Free | — |
| Size | 32 MB | 15 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [志鹏 洪](https://appshunter.io/developer/1531854605) | [Tatsuro Furuya](https://appshunter.io/developer/1865297357) |

## What reviewers say

### SpeechCalc

[App page](https://appshunter.io/ios/app/speechcalc/id1636465186)

This calculator app offers an audible interface in multiple languages, allowing users to perform calculations without looking at the screen. It features customizable themes, a thousandth separator for clarity, and a record of past calculations for easy retrieval. The app prioritizes user privacy with no registration or data uploads.

**Highlights:** Audible calculations in multiple languages, Customizable themes, Thousandth separator for large numbers, Calculation history and record keeping, Ad-free and privacy-focused

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SoundService | $1.99 | one-time |


### Drastic Calc

[App page](https://appshunter.io/ios/app/drastic-calc/id6757259289)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SpeechCalc free?

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

### Is Drastic Calc free?

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

### Do SpeechCalc or Drastic Calc have ads?

Drastic Calc shows ads; SpeechCalc does not.

### Which is updated more often, SpeechCalc or Drastic Calc?

SpeechCalc ships an update weekly, and Drastic Calc weekly. Most recently, SpeechCalc was updated on October 24, 2026 and Drastic Calc 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.*