Comparison

Max Maintenance vs Whisper Lithium

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Max Maintenance

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
Read full description

Max Maintenance Mobile is the on-the-go solution for NOV's Max Maintenance application. With its focus on getting work done, users are provided with information critical to maintaining their assets. The offline functionality empowers users to stay productive even in remote locations or areas with limited internet connectivity. Features: 1. Comprehensive Asset Information: Access vital information about your company's assets with ease. 2. Planned Work Orders: Effortlessly execute and complete planned work orders. 3. Unplanned Work Orders: Respond promptly to unexpected issues or urgent repairs with the ability to create unplanned work orders on the fly. 4. Interactive Checklists: Perform inspections and checklists effortlessly. 5. Material Transfers: Simplify the process of approving material transfers. Just approve and sync to minimize delays. 6. Offline Capabilities: Designed to work offline, Max Maintenance Mobile ensures that you can continue your work even in areas with limited or no internet access. Perform tasks, update information, and sync data once you're back online, eliminating any workflow interruptions. Contact NOV today to find out how to join our growing list of satisfied Max Maintenance users.

About

Whisper Lithium

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
Read full description

Whisper Lithium management system monitors battery status, collects, stores, and processes information during battery operation in real time, exchanges information through Bluetooth, solves key issues of safety, ease of use, and service life of lithium battery systems, and prolongs battery life Life, enhance the stability of the battery pack. 1. Display real-time voltage, current, power, internal resistance and other parameter values. 2. Display the real-time voltage and alarm status of all single batteries. If the reported parameters trigger the alarm value or protection value, an alarm will be prompted; 3. Each data comparison of the battery cell, the voltage difference. Maximum voltage cell Minimum voltage cell. And the display of cell balance 4. Cell temperature warning. Real-time alarm for over temperature, short circuit, over voltage, under voltage 5. Record the warnings that occur at each moment. 6. Abnormal situation reporting function 7. Support to view the cell status of multiple batteries at the same time. 8. Compatible with different models of products 9.Ask for help online. For online detection equipment 10.Cloud adjustment parameters after sales Best Regards !

Screenshots

Max Maintenance3 screens
Whisper Lithium4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard2 real differences · 8 level
Max Maintenance versus Whisper Lithium: the parameters behind the verdict, then further details
ParameterMax MaintenanceWhisper Lithium
PriceFreeFree
Rating5.0 (2 ratings) — better3.0 (4 ratings)
Positive reviews—100.0% of reviews
Number of ratings24 — better
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size68 MB32 MB
Age rating4+4+
DeveloperNOV Inc.江西达伙网络科技有限公司

Customer experience

Max Maintenance

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Whisper Lithium

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Max Maintenance

No in-app purchases

None

Whisper Lithium

No in-app purchases

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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