# Chargee Sparky vs Slimmie

The clearest difference is update cadence: Chargee Sparky at fortnightly against Slimmie's every 4 months. Slimmie's advantage is iOS requirement (13.4 vs 15.0). On price, ads, 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.

Chargee Sparky ships an update fortnightly, Slimmie every 4 months. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Chargee Sparky | Slimmie |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Size | 158 MB | 22 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chargee B.V.](https://appshunter.io/developer/1675459452) | [Slimmie](https://appshunter.io/developer/1717401951) |

## What reviewers say

### Chargee Sparky

[App page](https://appshunter.io/ios/app/chargee-sparky/id6446019952)

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

**In-app purchases:** none


### Slimmie

[App page](https://appshunter.io/ios/app/slimmie/id6472653867)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chargee Sparky free?

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

### Is Slimmie free?

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

### Do Chargee Sparky or Slimmie have ads?

Neither Chargee Sparky nor Slimmie shows ads.

### Which is updated more often, Chargee Sparky or Slimmie?

Chargee Sparky ships an update fortnightly, and Slimmie every 4 months. Most recently, Chargee Sparky was updated on October 9, 2026 and Slimmie on October 12, 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.*