# Plant Sunlight Check — Is this spot bright enough?

> Is this spot bright enough? (iPhone/iPad app by NAOTO ISHIDA.)

- Source: https://appshunter.io/ios/app/plant-sunlight-check/id6811851077 (this page in markdown: same URL + `.md`)
- Developer: [NAOTO ISHIDA](https://appshunter.io/developer/6810581548)
- Category: Lifestyle, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 26.5 · 1 MB
- Languages: American English, Japanese
- Released: 2026-09-23
- Data updated: 2026-10-10

## What is Plant Sunlight Check?

Is that spot really bright enough for your plant?

Human eyes are terrible at judging light levels. A windowsill that feels "plenty bright" can be delivering a fifth of what your plant needs — that happens indoors all the time. More houseplants die from too little light than from anything you did with the watering can.

This app estimates the ambient light (lux) at any spot from your iPhone camera's exposure settings, and tells you whether it's enough for the plant you want to grow there.

■ Three steps
1. Pick your plant (33 varieties; choose "Typical houseplant" if unsure)
2. Carry your phone to the spot, hold it level with the screen facing up
3. Read the verdict once the number settles

■ Four verdicts
- Not enough light
- A little low
- Just right
- Possibly too strong

When a spot falls short, the app tells you by how much: "needs about 3x more light to reach the ideal range." That turns a vague worry into a decision — move it closer to the window, or add a grow light.

■ See it on a scale
A logarithmic bar shows your current reading against the ideal zone for the plant you picked. Measure the windowsill, the back of the room and the balcony, and you end up with a light map of your home.

■ 33 plants included
Monstera, Pachira, Snake plant, Pothos, Ficus lyrata, Ficus microcarpa, Dracaena, Ivy, Schefflera, Cactus, Succulents, Aglaonema, Calathea, Strelitzia, Yucca, Aloe, Olive, Basil, Mint, Rosemary, Cherry tomato and more.

■ Match your real conditions
Choose how many hours the spot gets light (all day / half day / a little / grow light) and the light source (daylight, LED, fluorescent). PPFD and DLI reference values are shown too.

■ Privacy
Only the camera's exposure values (ISO, shutter speed, aperture) are used to measure light. No photo or video is ever captured, stored or transmitted. No account, no ads, no analytics — everything is calculated on your device.

■ Please note
Values are estimated from camera exposure and will differ from a dedicated lux or PAR meter. They are most useful for comparing one spot against another. In very bright conditions the camera reaches the limit of its range, and the app says so honestly rather than showing a capped number.

For best results, measure during the brightest part of the day for that spot.

## Is Plant Sunlight Check safe?

Not enough ratings yet to assess Plant Sunlight Check.

## Is Plant Sunlight Check legit?

Plant Sunlight Check has limited verification signals. The AppsHunter Legitimacy Score for Plant Sunlight Check is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0 — 2026-09-23

No release notes.

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## More apps by NAOTO ISHIDA

- [かんたん下地さがし](https://appshunter.io/ios/app/id6810581546)

All apps by NAOTO ISHIDA: https://appshunter.io/developer/6810581548

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-10.*