# ChargeMaster vs Firefly

The clearest difference is rating: ChargeMaster at 5.0 against Firefly's 1.0. ChargeMaster also leads on in-app purchases (none vs 5) and ads (none vs shown). Firefly's advantage is update cadence (every 6 days vs every 16 months). On price, ratings volume and device support there is nothing between them.

Both are free to download. Firefly sells 5 in-app purchases, starting at $3.99 per 7 days. ChargeMaster asks for nothing beyond the download.

ChargeMaster holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 23% of ChargeMaster's written reviews are positive against 0% of Firefly's.

ChargeMaster ships an update every 16 months, Firefly every 6 days. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ChargeMaster | Firefly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chargemaster/id580032025/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/firefly-charging-animation/id1629352979/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | **23.1% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 16 months | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 216 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SkyRC Technology Co.,Ltd.](https://appshunter.io/developer/580032028) | [Mai Pham Thi Ngoc](https://appshunter.io/developer/1629352981) |

## What reviewers say

### ChargeMaster

[App page](https://appshunter.io/ios/app/chargemaster/id580032025)

Monitor your Apple device's charging and discharging data in real-time. This app provides detailed insights for both casual users and performance enthusiasts, offering seamless integration with portable computing advancements.

**Highlights:** Real-time charging/discharging data monitoring, Bluetooth communication integration, Supports iPhone, iPod, and iPad, Detailed data for performance users, Seamless portable computing integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Firefly

[App page](https://appshunter.io/ios/app/firefly-charging-animation/id1629352979)

Personalize your iPhone's charging screen with a wide variety of animated themes and sounds. Customize your experience with flexible settings and enjoy a unique visual display while your device powers up.

**Highlights:** Set charging animations, Multiple animation themes, Customizable animation sounds, Flexible settings, Detailed setup guide, Personalized charging experience

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Battery Access Weekly | $3.99 | per 7 days |
| Weekly Sub Firefly | $5.99 | per 7 days |
| Monthly Sub Firefly | $9.99 | per month |
| Battery Access Yearly | $19.99 | per year |
| Yearly Sub Firefly | $34.99 | per year |


## Frequently asked questions

### Is ChargeMaster free?

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

### Is Firefly free?

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

### Which has better reviews, ChargeMaster or Firefly?

ChargeMaster is rated higher. ChargeMaster averages 5.0 out of 5 from 2 ratings, while Firefly averages 1.0 from 2 ratings.

### Do ChargeMaster or Firefly have ads?

Firefly shows ads; ChargeMaster does not.

### Which is updated more often, ChargeMaster or Firefly?

ChargeMaster ships an update every 16 months, and Firefly every 6 days. Most recently, ChargeMaster was updated on October 24, 2026 and Firefly on October 6, 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.*