EV Logger vs HighMate
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EV Logger
Track your electric vehicle's energy consumption and efficiency with this customizable logging app. Record key data points for each drive or charge cycle to analyze battery performance and overall range. Export your data for further analysis.
- Record energy use information
- Track range and efficiency
- Customizable information items and entry order
- Calculate battery-to-wheel efficiency
- Calculate wall-to-wheel efficiency
- Export recorded data
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EV Logger gives electric vehicle owners the ability to record energy use information to track range and energy efficiency in much the same way that a gas car owner might track gas mileage. The app is customizable so the owner can choose what information items to record and the entry order. Given sufficient data, EV Logger provides some simple calculations like battery-to-wheel efficiency per drive and wall-to-wheel efficiency per drive/charge cycle. The recorded data may be exported for further analysis. The current version contains appropriate settings for a Nissan LEAF, RAV4 EV, Tesla Roadster, Tesla Model S, Model X, Model 3 & Model Y and a generic setting that can be customized for other electric vehicles.
HighMate
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A grow diary that does the math: phase, day and expected harvest date for every plant. Plus climate and nutrient readings with a stored target range. You see right away where things are heading. Plus a searchable database of more than 4,000 strains: THC, CBD, genetics, origin, effects and more. Everything stays on your device, no account, no ads. YOUR PLANTS AT A GLANCE - Every plant with phase, grow day and progress bar - Seedling, vegetative stage, flowering stage - Run several grows side by side - Expected harvest date, recalculated as you go - Plant score shows at a glance where something is off READINGS WITH TARGET RANGES No more spreadsheets. HighMate knows the target values for every phase. - Temperature and humidity - VPD in kPa calculated automatically, not by hand - pH and EC of your nutrient solution - DLI in mol/m²/d - Every value with a traffic light: in range or not TRENDS INSTEAD OF GUESSWORK - History charts for every reading - The target corridor sits behind the curve - Development over weeks instead of snapshots A COMPLETE DIARY - Watering with amount, pH and EC - Feeding with product, dosage and readings - Climate entries with temperature, humidity and VPD - Care: defoliation, training, repotting - Photos to compare across the whole cycle - Filter by feeding, climate & light or care - Every entry with date and grow day OVER 4,000 STRAINS TO SEARCH - THC and CBD values right on the overview card - Genetics: indica, sativa, hybrid - Origin, producer and irradiation - Reported effects and ratings - Search, filter, sort, save favorites A SETUP THAT FITS YOUR GROW - Medium: soil, coco or hydro - Germination date and photoperiod (18/6, 12/12) - Autoflower and photoperiod plants - Indoor and outdoor YOUR DATA STAYS YOURS - Everything stored locally on your device - No account, no sign-up, no mandatory cloud - No data collection - No ads, no tracking LEGAL NOTICE HighMate is intended exclusively for adults aged 18 and over and is a documentation tool for legal private home cultivation. The rules for growing cannabis differ from country to country. In Germany, for example, the Consumer Cannabis Act (KCanG) allows adults to grow up to three plants for personal use. Please check the laws where you live and follow them. The app does not sell or broker anything. The strain information is for orientation only and does not replace medical or pharmaceutical advice. Terms of Use: https://moonsmoke.app/terms-of-use Privacy Policy: https://moonsmoke.app/privacy-policy
Screenshots
Verdict
The clearest difference is price: HighMate at Free against EV Logger's $2.99. HighMate also leads on update cadence (fortnightly vs every 3 months). EV Logger's advantage is in-app purchases (none vs 2) and iOS requirement (13.4 vs 18.0). On ads 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
HighMate is free to download; EV Logger costs $2.99 up front. HighMate sells 2 in-app purchases, starting at $3.99 per month. EV Logger asks for nothing beyond the download.
EV Logger ships an update every 3 months, HighMate fortnightly. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.
| Parameter | EV Logger | HighMate |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 2.3 (3 ratings) — better | — |
| Positive reviews | 40.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.4 — better | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 32 MB |
| Age rating | 4+ | 17+ |
| Developer | Idle Loop Software Design, LLC | MoonSmoke UG |
In-app purchases
EV Logger
No in-app purchases
HighMate
- HighMate Monthly3 Days trial$3.991 Month
- HighMate Monthly$24.991 Year









