# PowerMaster vs Service Time Card

The clearest difference is update cadence: PowerMaster at every 4 months against Service Time Card's every 9 months. PowerMaster also leads on iOS requirement (12.0 vs 17.4). 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.

PowerMaster ships an update every 4 months, Service Time Card every 9 months. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | PowerMaster | Service Time Card |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 9 months |
| Size | 52 MB | 1 MB |
| Requires iOS | **12.0** | 17.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Cyber Energy Co., Ltd.](https://appshunter.io/developer/1463752550) | [Anthony Vela](https://appshunter.io/developer/1801808576) |

## What reviewers say

### PowerMaster

[App page](https://appshunter.io/ios/app/powermaster/id1463752551)

**Features:** macOS Compatibility

**In-app purchases:** none


### Service Time Card

[App page](https://appshunter.io/ios/app/service-time-card/id6743176986)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PowerMaster free?

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

### Is Service Time Card free?

Service Time Card is free to download, with no in-app purchases.

### Do PowerMaster or Service Time Card have ads?

Neither PowerMaster nor Service Time Card shows ads.

### Which is updated more often, PowerMaster or Service Time Card?

PowerMaster ships an update every 4 months, and Service Time Card every 9 months. Most recently, PowerMaster was updated on October 11, 2026 and Service Time Card on October 16, 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.*