# PopStar with Undo vs MoonCrest

The clearest difference is in-app purchases: MoonCrest at none against PopStar with Undo's 1. MoonCrest also leads on ads (none vs shown) and price ($1.99 vs $4.00). PopStar with Undo's advantage is rating (4.7 vs 4.3) and update cadence (every 11 months vs every 32 months). On ratings volume and device support there is nothing between them.

PopStar with Undo costs $4.00 and MoonCrest $1.99 up front. PopStar with Undo sells 1 one-off in-app purchase. MoonCrest asks for nothing beyond the download.

PopStar with Undo holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 6 and 8 respectively. Written reviews point the same way: 33% of PopStar with Undo's written reviews are positive against 24% of MoonCrest's.

PopStar with Undo ships an update every 11 months, MoonCrest every 32 months. The most recent releases landed on October 18, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | PopStar with Undo | MoonCrest |
| --- | --- | --- |
| Price | $4.00 | **$1.99** |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/popstar-with-undo/id598512361/reviews)** | [4.3 (8 ratings)](https://appshunter.io/ios/app/mooncrest/id1065946198/reviews) |
| Number of ratings | 6 | **8** |
| Positive reviews | **33.3% of reviews** | 24.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 11 months** | Every 32 months |
| Monetization | Paid | **Free** |
| Size | 21 MB | 8 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Oscar Tsang](https://appshunter.io/developer/416987065) | [Ivan Cerra de Castro](https://appshunter.io/developer/321270638) |

## What reviewers say

### PopStar with Undo

[App page](https://appshunter.io/ios/app/popstar-with-undo/id598512361)

This highly addictive puzzle game offers two distinct modes: Classic, where you clear blocks to meet level targets without a time limit, and Endless, which challenges you to clear as many blocks as possible against the clock. Features include an undo button and customizable block colors.

**Highlights:** Two game modes: Classic and Endless, Tap two or more same-colored blocks, No time limit in Classic mode, Time-based challenges in Endless mode, Undo button, Customizable block colors

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove advertisement | $1.99 | one-time |


### MoonCrest

[App page](https://appshunter.io/ios/app/mooncrest/id1065946198)

Relive classic arcade experiences with this retro-inspired shooter. Pilot your ship, destroy alien squadrons, and upgrade your vessel by docking with modules. Master simple touch controls to navigate and fire.

**Highlights:** Destroy alien squadrons, Survive enemy waves, Dock with modules to upgrade ship, Slide to move ship, Tap to fire, Long press to throttle

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

**In-app purchases:** none


## Frequently asked questions

### Is PopStar with Undo free?

PopStar with Undo costs $4.00, and also offers in-app purchases.

### Is MoonCrest free?

MoonCrest costs $1.99, with no in-app purchases.

### Which has better reviews, PopStar with Undo or MoonCrest?

PopStar with Undo is rated higher. PopStar with Undo averages 4.7 out of 5 from 6 ratings, while MoonCrest averages 4.3 from 8 ratings.

### Do PopStar with Undo or MoonCrest have ads?

PopStar with Undo shows ads; MoonCrest does not.

### Which is updated more often, PopStar with Undo or MoonCrest?

PopStar with Undo ships an update every 11 months, and MoonCrest every 32 months. Most recently, PopStar with Undo was updated on October 18, 2026 and MoonCrest on October 13, 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.*