# Slimie!! vs Boltz

The clearest difference is review sentiment: Boltz at 100% against Slimie!!'s 0%. Boltz also leads on rating (5.0 vs 1.0) and update cadence (every 5 weeks vs every 10 months). Slimie!!'s advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

Both are free to download. Boltz sells 1 one-off in-app purchase. Slimie!! asks for nothing beyond the download.

Boltz holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of Slimie!!'s written reviews are positive against 100% of Boltz's.

Slimie!! ships an update every 10 months, Boltz every 5 weeks. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Slimie!! | Boltz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/slimie/id942098040/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/boltz-strobe-art/id6757131249/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 15 MB |
| Requires iOS | **12.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KENSHI DOI](https://appshunter.io/developer/709264908) | [Logan Voss](https://appshunter.io/developer/1813258380) |

## What reviewers say

### Slimie!!

[App page](https://appshunter.io/ios/app/slimie/id942098040)

Add multiple bouncy slimes to your photos and manipulate their shape, size, and position. Create funny images and share them with friends and family. This app is a spin-off from a slime growing application.

**Highlights:** Add multiple slimes to photos, Manipulate slime shape, size, and position, Interactive slime deformation, Image compositing, Share modified images

**Features:** macOS Compatibility

**In-app purchases:** none


### Boltz

[App page](https://appshunter.io/ios/app/boltz-strobe-art/id6757131249)

Transform your photos and videos into dynamic strobe art with futuristic filters. Create short, impactful animated videos perfect for sharing and surprising others. Offers limited free generations with an option to unlock unlimited creations.

**Highlights:** Create strobe videos from photos, Capture moments for strobe animation, Apply futuristic color filters, Generate 1080 x 1920 videos, 10-second video length, Unlimited video generation unlock

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Boltz Unlimited | $1.99 | one-time |


## Frequently asked questions

### Is Slimie!! free?

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

### Is Boltz free?

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

### Which has better reviews, Slimie!! or Boltz?

Boltz is rated higher. Slimie!! averages 1.0 out of 5 from 1 ratings, while Boltz averages 5.0 from 1 ratings.

### Do Slimie!! or Boltz have ads?

Boltz shows ads; Slimie!! does not.

### Which is updated more often, Slimie!! or Boltz?

Slimie!! ships an update every 10 months, and Boltz every 5 weeks. Most recently, Slimie!! was updated on October 21, 2026 and Boltz on October 24, 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.*