# PopStar with Undo vs ColdWord

PopStar with Undo and ColdWord both sit at 4.7 stars, but that hides the real split: 80% of ColdWord's written reviews are positive against 33% of PopStar with Undo's. ColdWord also leads on price (Free vs $4.00) and ads (none vs shown). On rating, update cadence and in-app purchases there is nothing between them.

ColdWord is free to download; PopStar with Undo costs $4.00 up front. PopStar with Undo sells 1 one-off in-app purchase and ColdWord sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for PopStar with Undo against 4.6 for ColdWord. That said, the two scores are not equally well evidenced: ColdWord has 90 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 33% of PopStar with Undo's written reviews are positive against 80% of ColdWord's.

PopStar with Undo ships an update every 11 months, ColdWord every 7 months. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | PopStar with Undo | ColdWord |
| --- | --- | --- |
| Price | $4.00 | **Free** |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/popstar-with-undo/id598512361/reviews)** | [4.6 (90 ratings)](https://appshunter.io/ios/app/coldword/id1609147260/reviews) |
| Number of ratings | 6 | **90** |
| Positive reviews | 33.3% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 7 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 21 MB | 12 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Oscar Tsang](https://appshunter.io/developer/416987065) | [Actowise LLC](https://appshunter.io/developer/1563247119) |

## 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 |


### ColdWord

[App page](https://appshunter.io/ios/app/coldword/id1609147260)

A simple yet addictive word guessing game where players aim to find a secret five-letter word within six attempts. Use color-coded clues to determine if your guessed letters are too early, too late, or correct in the alphabet.

**Highlights:** Guess 5-letter words, 6 attempts per word, Alphabetical color clues (Green, Blue, Red), Apple Watch support, Unlimited hints (Pro), Secret word reveal (Pro)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $3.99 | one-time |
| Pro Lifetime | $7.99 | one-time |


## Frequently asked questions

### Is PopStar with Undo free?

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

### Is ColdWord free?

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

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

PopStar with Undo is rated higher. PopStar with Undo averages 4.7 out of 5 from 6 ratings, while ColdWord averages 4.6 from 90 ratings.

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

PopStar with Undo shows ads; ColdWord does not.

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

PopStar with Undo ships an update every 11 months, and ColdWord every 7 months. Most recently, PopStar with Undo was updated on October 2, 2026 and ColdWord on October 15, 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.*