# Pali vs Calculator with reverse screen

The clearest difference is in-app purchases: Calculator with reverse screen at none against Pali's 1. Calculator with reverse screen also leads on update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Pali ships an update every 2 months, Calculator with reverse screen fortnightly. The most recent releases landed on July 29, 2026 and July 30, 2026 respectively.

## The numbers

| Metric | Pali | Calculator with reverse screen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 8 MB | 35 MB |
| Requires iOS | **14.0** | 15.8.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mihoko Araki](https://appshunter.io/developer/1476136915) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Pali

[App page](https://appshunter.io/ios/app/pali-gen/id1616381805)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $0.99 | one-time |


### Calculator with reverse screen

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pali free?

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

### Is Calculator with reverse screen free?

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

### Do Pali or Calculator with reverse screen have ads?

Both Pali and Calculator with reverse screen show ads.

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

Pali ships an update every 2 months, and Calculator with reverse screen fortnightly. Most recently, Pali was updated on July 29, 2026 and Calculator with reverse screen on July 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.*