Comparison

SANlight vs DrainMaster Plus

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

Head to head

SANlight

SANlight Bluetooth Dimmer

About

SANlight

Features

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The SANlight app to control the brightness of SANlight grow LEDs connected to a Bluetooth dimmer. Please note: You'll need a dimmable SANlight LED lamp connected to a SANlight dimmer to make use of this app. For feedback and support please use the "Contact Support" button on the Information screen.

About

DrainMaster Plus

Features

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DrainMaster Plus is the plant-centered app for monitoring and managing nutrient health. Each plant has its own profile, measurement history and tailored recommendations to help you avoid overfeeding, salt build-up and pH issues. Features: Plant-centered UX: Individual dashboards with measurements, analytics and recommendations Guided measurement wizard and quick mode BLE integration: Automatic live readings from Apera instruments (PC60-Z, PH60-Z, EC60-Z, etc.) Timeline and milestones: germination date, stage logs, and plant events Scientific tools: VPD, DLI and EC/PPM calculators Offline-first: Works fully without internet Multilingual: Now available in 10 languages – German, English, French, Italian, Dutch, Polish, Russian, Spanish, Turkish, and Arabic. Export: JSON and CSV per plant Why DrainMaster Plus? Accurate readings, transparent history and actionable recommendations let you spot trends early and take targeted action. Great for hobby growers and professionals alike. Terms of Use (EULA): Apple’s Standard End User License Agreement applies, available at https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://drain-master.de/privacy

Screenshots

SANlight3 screens

DrainMaster Plus4 screens

Verdict

The call

The clearest difference is in-app purchases: SANlight at none against DrainMaster Plus's 1. DrainMaster Plus's advantage is update cadence (every 2 weeks vs every 6 months). On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. DrainMaster Plus sells 1 in-app purchase, starting at $3.99 per month. SANlight asks for nothing beyond the download.

UpkeepUpdate frequency

SANlight ships an update every 6 months, DrainMaster Plus every 2 weeks. Both last shipped on September 23, 2026.

Scorecard2 real differences · 4 level

SANlight versus DrainMaster Plus: the parameters behind the verdict, then further details
Parameter	SANlight	DrainMaster Plus
Price	Free	Free
Update frequency	Every 6 months	Every 2 weeks — better
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	14.0 — better	15.1
Further details — not scored
Size	32 MB	67 MB
Age rating	4+	12+
Developer	Martin Anker	kobosil.me Development

In-app purchases

None

SANlight

No in-app purchases

1 purchases

DrainMaster Plus

Subscriptions1

DrainMaster Cloud Monthly$3.991 Month

Questions

Is SANlight free?

SANlight is free to download, with no in-app purchases.

Is DrainMaster Plus free?

DrainMaster Plus is free to download, with in-app purchases available.

Do SANlight or DrainMaster Plus have ads?

Neither SANlight nor DrainMaster Plus shows ads.

Which is updated more often, SANlight or DrainMaster Plus?

SANlight ships an update every 6 months, and DrainMaster Plus every 2 weeks. Most recently, SANlight was updated on September 23, 2026 and DrainMaster Plus on September 23, 2026.