# Zipper Lock Screen vs Robzaa

The clearest difference is rating: Zipper Lock Screen at 2.8 against Robzaa's 1.3. Zipper Lock Screen also leads on ratings volume (116 vs 15). Robzaa's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, review sentiment, in-app purchases and device support there is nothing between them.

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

Zipper Lock Screen holds the better App Store score, 2.8 against 1.3. That said, the two scores are not equally well evidenced: Zipper Lock Screen has 116 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 7% of Zipper Lock Screen's written reviews are positive against 0% of Robzaa's.

## The numbers

| Metric | Zipper Lock Screen | Robzaa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (116 ratings)](https://appshunter.io/ios/app/zipper-lock-screen/id6740202078/reviews)** | [1.3 (15 ratings)](https://appshunter.io/ios/app/robzaa/id6758054676/reviews) |
| Number of ratings | **116** | 15 |
| Positive reviews | **6.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Every 4 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 16 MB | 16 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [dounia louiz](https://appshunter.io/developer/1687352085) | [Dalpat Singh](https://appshunter.io/developer/1870625247) |

## What reviewers say

### Zipper Lock Screen

[App page](https://appshunter.io/ios/app/zipper-lock-screen/id6740202078)

Personalize your phone's lock screen with interactive zipper-themed wallpapers. Choose from various designs or create your own custom look for a fun and functional experience. Enjoy smooth animations and high-quality images.

**Highlights:** Interactive zipper animations, Customizable themes and backgrounds, Smooth and realistic animations, High-quality images, Multiple design options, Simple setup

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Backgrounds work

**What reviewers complain about**

- ❌ No zipper functionality
- ❌ App is a scam
- ❌ Difficult to use
- ❌ Excessive ads
- ❌ Glitches and crashes

**Reported bugs**

- Zipper does not work
- Cannot make wallpaper background
- App glitches out
- Save to photos not working
- No zipper option found

**Requested features**

- Add zipper lock screen functionality
- Provide a tutorial for using the app
- Fix the zipper not working
- Explain how to get the zipper


### Robzaa

[App page](https://appshunter.io/ios/app/robzaa/id6758054676)

This app offers an engaging color-based puzzle experience for children to enhance color recognition, focus, and problem-solving skills. It features interactive challenges with adjustable difficulty levels and a stress-free environment. Adults can also enjoy its relaxing gameplay.

**Highlights:** Kid-friendly color matching puzzles, Player name and avatar selection, Multiple difficulty levels, No time limit for stress-free play, Score tracking and move-based challenges, Progress review and top player lists

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zipper Lock Screen free?

Zipper Lock Screen is free to download, with no in-app purchases.

### Is Robzaa free?

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

### Which has better reviews, Zipper Lock Screen or Robzaa?

Zipper Lock Screen is rated higher. Zipper Lock Screen averages 2.8 out of 5 from 116 ratings, while Robzaa averages 1.3 from 15 ratings.

### Do Zipper Lock Screen or Robzaa have ads?

Zipper Lock Screen shows ads; Robzaa does not.

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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.*