# Calculator with reverse screen vs ASMR Calculator Pro

The clearest difference is in-app purchases: Calculator with reverse screen at none against ASMR Calculator Pro's 1. Calculator with reverse screen also leads on update cadence (fortnightly vs every 8 months). ASMR Calculator Pro's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ASMR Calculator Pro sells 1 one-off in-app purchase. Calculator with reverse screen asks for nothing beyond the download.

Calculator with reverse screen ships an update fortnightly, ASMR Calculator Pro every 8 months. The most recent releases landed on October 25, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Calculator with reverse screen | ASMR Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 8 months |
| Size | 35 MB | 11 MB |
| Requires iOS | **15.8.3** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Elias Johannesson](https://appshunter.io/developer/1877142748) |

## What reviewers say

### Calculator with reverse screen

[App page](https://appshunter.io/ios/app/calculator-with-reverse-screen/id6497792768)

**Features:** macOS Compatibility

**In-app purchases:** none


### ASMR Calculator Pro

[App page](https://appshunter.io/ios/app/asmr-calculator-pro/id6759168734)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ASMR Calculator Studio Pro | $1.99 | one-time |


## Frequently asked questions

### Is Calculator with reverse screen free?

Calculator with reverse screen is free to download, with no in-app purchases.

### Is ASMR Calculator Pro free?

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

### Do Calculator with reverse screen or ASMR Calculator Pro have ads?

Calculator with reverse screen shows ads; ASMR Calculator Pro does not.

### Which is updated more often, Calculator with reverse screen or ASMR Calculator Pro?

Calculator with reverse screen ships an update fortnightly, and ASMR Calculator Pro every 8 months. Most recently, Calculator with reverse screen was updated on October 25, 2026 and ASMR Calculator Pro on November 5, 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.*