Fogstar Drift vs Atser
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Fogstar Drift
Monitor your leisure battery's real-time status, including voltage, current, and cell health. Receive instant alerts for critical parameters and track historical data for optimal performance and safety.
- Real-time battery parameter display
- Single cell voltage and alarm monitoring
- Cell comparison and balancing data
- Temperature and critical parameter warnings
- Historical alarm records
- Bluetooth connectivity
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Fogstar Drift is the companion app for Fogstar Drift lithium (LiFePO4) leisure batteries. It connects to your battery over Bluetooth and shows you exactly what it's doing β at a glance on the dashboard, in detail down to each cell, and over time in History. LIVE DASHBOARD β’ State of charge, voltage, current and power β’ Remaining capacity, cycle count and temperatures β’ Whether the battery is charging, discharging or resting CELLS β’ Every cell's voltage, the spread between highest and lowest, and when the BMS is balancing β’ A cell drifting out of balance is the earliest warning you get β long before the battery lets you down HISTORY β’ Readings recorded automatically while you're connected β’ Charts of charge, voltage, current and temperature over hours, days or months β’ Up to 90 days kept on the phone; export it all to CSV ALERTS β’ Low charge, high or low temperature, winter guard and protection trips β’ Set your own thresholds and quiet hours, so nothing wakes you at 3am MORE β’ Multiple batteries and battery banks in one app β see the whole system totalled, or drill into any single pack β’ Tools for real installs: battery recovery for a pack that won't wake, connection diagnostics and a timestamped event log β’ Report a problem in one tap β the app sends Fogstar a full diagnostic bundle with a reference number, so we can help without the back-and-forth PRIVACY No ads, no tracking. Everyday monitoring is Bluetooth only β your battery's data never leaves your phone unless you send a support report. Cloud features run on Amazon Web Services in Europe. Works with Fogstar Drift batteries fitted with the Bluetooth module. If anything isn't right, use Report a problem in Settings and we'll take a look.
Atser
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Atser (Atmosphere Services) helps authorised installers and operators monitor and service Atmosphere energy systems. Get a clear view of site performance, including live energy flow, system health, grid usage, battery behaviour, solar generation and detailed power analysis. Weather context and practical site information help teams investigate performance and make informed decisions in the field. Atser also provides streamlined access to site portfolios, commissioning activities, service requests and operational historyβall within one secure mobile application. Key features: β’ Live site energy flow and system health β’ Detailed power, grid, battery and solar analysis β’ Flexible date-range analysis β’ Site search, sorting and pagination β’ Weather and site context β’ Commissioning and service workflows β’ Secure, device-associated authentication β’ Permission-based access for authorised users
Screenshots
Verdict
The clearest difference is update cadence: Fogstar Drift at monthly against Atser's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Fogstar Drift ships an update monthly, Atser every 4 months. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.
| Parameter | Fogstar Drift | Atser |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 13.3% of reviews | β |
| Update frequency | Monthly β better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | β |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details β not scored | ||
| Size | 26 MB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | Fogstar Drift | Kartik Chauhan |
In-app purchases
Fogstar Drift
No in-app purchases
Atser
No in-app purchases









