# Battemax vs ThermoSave

The clearest difference is update cadence: Battemax at every 3 weeks against ThermoSave's every 5 weeks. 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.

Battemax ships an update every 3 weeks, ThermoSave every 5 weeks. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Battemax | ThermoSave |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/thermosave/id6762540877/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | — | Free |
| Size | 33 MB | 22 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nanchang Yepai Technology Co., Ltd.](https://appshunter.io/developer/1503296093) | [ThermoSave](https://appshunter.io/developer/1894598615) |

## What reviewers say

### Battemax

[App page](https://appshunter.io/ios/app/battemax/id6747614735)

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

**In-app purchases:** none


### ThermoSave

[App page](https://appshunter.io/ios/app/thermosave/id6762540877)

This app intelligently manages your electric water heater to reduce electricity costs. It heats water during off-peak hours, ensuring you always have hot water without incurring high charges. The system works with most standard electric water heaters and major US utility plans.

**Highlights:** Automated off-peak water heating, Reduces electricity bills, Ensures hot water availability, Works with existing water heaters, Easy installation, Compatible with major US utilities

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

**In-app purchases:** none


## Frequently asked questions

### Is Battemax free?

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

### Is ThermoSave free?

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

### Do Battemax or ThermoSave have ads?

Neither Battemax nor ThermoSave shows ads.

### Which is updated more often, Battemax or ThermoSave?

Battemax ships an update every 3 weeks, and ThermoSave every 5 weeks. Most recently, Battemax was updated on October 11, 2026 and ThermoSave 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.*