Comparison

Stem PowerTrack vs MANNER App

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

Head to head
About

Stem PowerTrack

Monitor and analyze solar PV projects and energy systems remotely. Site owners can view data and forecasts, while technicians can diagnose and fix issues on-site using their mobile devices.

Highlights
  • Site overview with easy-to-read data
  • In-depth site data analysis via charts
  • Current weather and forecast for sites
  • Detailed hardware technical information
  • Fast hardware alerts and error detection
Features
Read full description

Newly redesigned and relaunched: PowerTrack is back with a fully updated experience for site owners and field technicians. PowerTrack by Stem puts your solar, storage, and hybrid site data in your pocket. Whether you're a site owner tracking performance or a technician monitoring assets in the field, PowerTrack gives you real-time visibility and control from your phone. Features Site Overview: See the key metrics that matter at a glance Charts & Historical Data: Analyze trends and review performance over time Weather: View current conditions and forecasts for your site Hardware Monitoring: Check device configurations and live incoming data Active Alerts: Stay on top of hardware alerts before they become problems Formerly the AlsoEnergy app. AlsoEnergy is now Stem, and this is the same app you know, enhanced, and under the PowerTrack name. About Stem: Stem is a leading global provider of AI-driven clean energy software and services, helping customers optimize solar, hybrid, and energy storage assets. Learn more: www.stem.com Privacy Notice: https://www.stem.com/privacy-notice/

About

MANNER App

Features
Read full description

Our MANNER App offers users of MANNER telemetry components with integrated Smart Interface maximum flexibility for measurement tasks and intelligent monitoring of ongoing measurements. It enables complete setup and adjustment of sensor telemetry as well as high-quality dynamic data recording via smartphone or tablet. The app can easily be connected (via WLAN) by simply scanning the QR code on the smart interface of the evaluation unit. Afterwards, all relevant data of the measuring system such as temperature or voltage supply can be read out and the measuring system can be easily checked and controlled (health monitoring). The most important functions at a glance: - Mobile test configuration and calibration - Real-time oscilloscope function: for live analysis and recording of measurement data (with individual axis labelling and integrated screenshot function for easy forwarding of measurement results) - CAL-On function: For easy verification of the application's or sensor's functionality - Auto-Zero function: For setting the system to zero - Auto-Set Sensitivity function: For self-calibration of the measuring system - Simple and individual naming of each measuring system - Individual measuring range configuration through simple adjustment of the sensitivity

Screenshots

Stem PowerTrack4 screens
MANNER App4 screens

Verdict

The call

The clearest difference is update cadence: MANNER App at monthly against Stem PowerTrack's every 3 months. On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

Stem PowerTrack ships an update every 3 months, MANNER App monthly. The most recent releases landed on September 25, 2026 and October 12, 2026 respectively.

Scorecard1 real difference · 9 level
Stem PowerTrack versus MANNER App: the parameters behind the verdict, then further details
ParameterStem PowerTrackMANNER App
PriceFreeFree
Rating3.0 (40 ratings) — better—
Positive reviews20.0% of reviews—
Number of ratings40 — better—
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size6 MB126 MB
Age rating4+4+
DeveloperAlso Energy, Inc.Manner Sensortelemetrie GmbH

In-app purchases

None

Stem PowerTrack

No in-app purchases

None

MANNER App

No in-app purchases

Questions

Is Stem PowerTrack free?
Stem PowerTrack is free to download, with no in-app purchases.
Is MANNER App free?
MANNER App is free to download, with no in-app purchases.
Do Stem PowerTrack or MANNER App have ads?
Neither Stem PowerTrack nor MANNER App shows ads.
Which is updated more often, Stem PowerTrack or MANNER App?
Stem PowerTrack ships an update every 3 months, and MANNER App monthly. Most recently, Stem PowerTrack was updated on September 25, 2026 and MANNER App on October 12, 2026.

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