# Battery Service vs Shiftly ESS

The clearest difference is update cadence: Battery Service at every 2 weeks against Shiftly ESS's every 2 months. Battery Service also leads on iOS requirement (13.0 vs 15.1). 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.

Battery Service ships an update every 2 weeks, Shiftly ESS every 2 months. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Battery Service | Shiftly ESS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 24 MB | 35 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Renessa Info Systems Ltd.](https://appshunter.io/developer/1823607992) | [Trutech Labs Private Limited](https://appshunter.io/developer/1838927771) |

## What reviewers say

### Battery Service

[App page](https://appshunter.io/ios/app/battery-service/id6747963392)

**Features:** macOS Compatibility

**In-app purchases:** none


### Shiftly ESS

[App page](https://appshunter.io/ios/app/shiftly-ess/id6757228394)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Battery Service free?

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

### Is Shiftly ESS free?

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

### Do Battery Service or Shiftly ESS have ads?

Neither Battery Service nor Shiftly ESS shows ads.

### Which is updated more often, Battery Service or Shiftly ESS?

Battery Service ships an update every 2 weeks, and Shiftly ESS every 2 months. Most recently, Battery Service was updated on October 15, 2026 and Shiftly ESS on October 14, 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.*