# Watchaga vs Digit Invader Calculator

Watchaga and Digit Invader Calculator are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Watchaga | Digit Invader Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (6 ratings)](https://appshunter.io/ios/app/digit-invader-calculator/id6743176325/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free |
| Size | 4 MB | 5 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [SCALE-1 PORTAL](https://appshunter.io/developer/334562127) | [Daniel Fu Keung Kwan](https://appshunter.io/developer/1801804499) |

## What reviewers say

### Watchaga

[App page](https://appshunter.io/ios/app/watchaga/id6741709677)

**In-app purchases:** none


### Digit Invader Calculator

[App page](https://appshunter.io/ios/app/digit-invader-calculator/id6743176325)

This app combines a functional calculator with a retro arcade game inspired by classic calculator interfaces. It offers automatic game saving, a high score list, and multitasking support on iPads. A scaled-down version is also available for Apple Watch.

**Highlights:** Retro calculator game, Basic calculator functions, Automatic game save, High score list, iPad Stage Manager support, Apple Watch version

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

**In-app purchases:** none


## Frequently asked questions

### Is Watchaga free?

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

### Is Digit Invader Calculator free?

Digit Invader Calculator is free to download, with no in-app purchases.

### Do Watchaga or Digit Invader Calculator have ads?

Neither Watchaga nor Digit Invader Calculator shows ads.

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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.*