# Max Maintenance vs Whisper Lithium

The clearest difference is rating: Max Maintenance at 5.0 against Whisper Lithium's 3.0. Max Maintenance also leads on iOS requirement (13.0 vs 15.6). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Max Maintenance holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 24, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Max Maintenance | Whisper Lithium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/max-maintenance/id6449554920/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/whisper-lithium/id6461822734/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 68 MB | 32 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NOV Inc.](https://appshunter.io/developer/578550101) | [江西达伙网络科技有限公司](https://appshunter.io/developer/1234844673) |

## What reviewers say

### Max Maintenance

[App page](https://appshunter.io/ios/app/max-maintenance/id6449554920)

This mobile tool provides essential asset maintenance information and allows users to manage work orders and material transfers. Its offline functionality ensures productivity in remote areas or locations with poor connectivity.

**Highlights:** Comprehensive asset information access, Execute planned work orders, Create unplanned work orders, Interactive checklists for inspections, Approve material transfers, Offline functionality for continuous work

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

**In-app purchases:** none


### Whisper Lithium

[App page](https://appshunter.io/ios/app/whisper-lithium/id6461822734)

This app monitors and manages lithium battery systems in real-time. It displays critical battery parameters, alerts users to potential issues like over-temperature or voltage anomalies, and helps prolong battery life and enhance pack stability. It also supports viewing multiple battery statuses and offers online assistance.

**Highlights:** Real-time voltage, current, and power display, Single battery voltage and alarm status, Cell comparison and balance display, Temperature and short circuit warnings, Warning event logging, Support for multiple battery viewing, Online assistance

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

**In-app purchases:** none


## Frequently asked questions

### Is Max Maintenance free?

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

### Is Whisper Lithium free?

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

### Which has better reviews, Max Maintenance or Whisper Lithium?

Max Maintenance is rated higher. Max Maintenance averages 5.0 out of 5 from 2 ratings, while Whisper Lithium averages 3.0 from 4 ratings.

### Do Max Maintenance or Whisper Lithium have ads?

Neither Max Maintenance nor Whisper Lithium shows ads.

### Which is updated more often, Max Maintenance or Whisper Lithium?

Max Maintenance ships an update every 3 weeks, and Whisper Lithium every 3 weeks. Most recently, Max Maintenance was updated on September 24, 2026 and Whisper Lithium on September 19, 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.*