Mars Hydro vs Trombone Level
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mars Hydro
Control your smart grow system with this app. Manage LED lights, ventilation, and monitor environmental data like CO2, temperature, and humidity for optimal plant growth. Automate your entire grow kit to mimic natural conditions.
- LED light control with timers and simulation
- Ventilation system management
- Complete grow kit automation via iHub
- Environmental data monitoring (CO2, temp, humidity, PPFD)
- Sunrise and sunset simulation
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The Mars Pro app is launched for a new intelligent control system your smart grow system and data monitoring, which includes the marhydro led grow light,inline fan,iHub. Welcome to experience the upgraded version through our website: www.mars-hydro.com Advanced Features: • LED Control: Manage your LED lights with ease, featuring on/off switches, timers, sunrise and sunset simulation, and PPFD (Photosynthetic Photon Flux Density) detection for optimal light management. • Ventilation System Control: Equipments can be controlled with timers, on/off switches, schedules, and cycles to maintain perfect air circulation. • Complete Automation: Use the iHub to program your entire grow kit, setting up automation programs that mimic natural environment grows. • Comprehensive Environmental Data: Monitor and store vital growing environment data, including CO2 levels, temperature, humidity, and PPFD, ensuring you have all the information needed for a successful grow.
Trombone Level
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Check your trombone playing level and evaluate with a score
Screenshots
Verdict
The clearest difference is ads: Mars Hydro at none against Trombone Level's shown. Trombone Level's advantage is update cadence (every 2 weeks vs monthly). On price, in-app purchases, device support and iOS requirement 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Mars Hydro ships an update monthly, Trombone Level every 2 weeks. The most recent releases landed on October 13, 2026 and September 29, 2026 respectively.
| Parameter | Mars Hydro | Trombone Level |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (27 ratings) — better | — |
| Positive reviews | 23.8% of reviews | — |
| Number of ratings | 27 — better | — |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 45 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | MARS TRADING RCC, INC. | Hideaki Uchikoshi |
In-app purchases
Mars Hydro
No in-app purchases
Trombone Level
No in-app purchases
Questions
Is Mars Hydro free?
Is Trombone Level free?
Do Mars Hydro or Trombone Level have ads?
Which is updated more often, Mars Hydro or Trombone Level?
Other comparisons
