# Alien Tower vs PipCalc+

The clearest difference is in-app purchases: PipCalc+ at none against Alien Tower's 1. PipCalc+ also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 5 months). Alien Tower's advantage is iOS requirement (15.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. Alien Tower sells 1 one-off in-app purchase. PipCalc+ asks for nothing beyond the download.

Alien Tower ships an update every 5 months, PipCalc+ every 2 weeks. The most recent releases landed on September 22, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Alien Tower | PipCalc+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pipcalc-plus/id6751081433/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 78 MB | 4 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Laurent Bakowski](https://appshunter.io/developer/1099632510) | [Josh Fenton](https://appshunter.io/developer/1827814018) |

## What reviewers say

### Alien Tower

[App page](https://appshunter.io/ios/app/alien-tower/id1590674042)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Aliens ! | $1.99 | one-time |


### PipCalc+

[App page](https://appshunter.io/ios/app/pipcalc-plus/id6751081433)

Easily calculate scores for domino games. Supports a wide range of domino sets, from Double-12 to Double-15 and beyond. Perfect for keeping track of points during your next game night.

**Highlights:** Dominoes score calculation, Supports Double-12 sets, Supports Double-15 sets, Supports intermediate double sets, Simple and efficient interface

**In-app purchases:** none


## Frequently asked questions

### Is Alien Tower free?

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

### Is PipCalc+ free?

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

### Do Alien Tower or PipCalc+ have ads?

Alien Tower shows ads; PipCalc+ does not.

### Which is updated more often, Alien Tower or PipCalc+?

Alien Tower ships an update every 5 months, and PipCalc+ every 2 weeks. Most recently, Alien Tower was updated on September 22, 2026 and PipCalc+ on September 8, 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.*