# Plant Light Meter vs LookOnce

The clearest difference is price: LookOnce at Free against Plant Light Meter's $2.99. LookOnce also leads on rating (5.0 vs 4.6). Plant Light Meter's advantage is in-app purchases (none vs 1) and ratings volume (1.1K vs 1). On update cadence and ads there is nothing between them.

LookOnce is free to download; Plant Light Meter costs $2.99 up front. LookOnce sells 1 one-off in-app purchase. Plant Light Meter asks for nothing beyond the download.

LookOnce holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Plant Light Meter has 1.1K ratings behind it against 1, so its average is the more settled of the two.

Plant Light Meter ships an update fortnightly, LookOnce every 9 days. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Plant Light Meter | LookOnce |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.6 (1.1K ratings)](https://appshunter.io/ios/app/plant-light-meter/id1213431133/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lookonce/id6768650367/reviews)** |
| Number of ratings | **1.1K** | 1 |
| Positive reviews | 38.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 217 MB | 9 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Studio Nano Ship, Inc.](https://appshunter.io/developer/818733631) | [楷文 罗](https://appshunter.io/developer/1896481268) |

## What reviewers say

### Plant Light Meter

[App page](https://appshunter.io/ios/app/plant-light-meter/id1213431133)

This app helps indoor plant owners assess the light conditions their plants are receiving. By using your phone's camera, you can measure light levels and understand if they are optimal for your specific plant's needs, preventing common issues like lack of light.

**Highlights:** Measure natural and artificial light, Interpret light levels for plant health, Compatible with rear camera

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Accurate and helpful
- 💡 Useful for newbie plant owners
- 💡 Saves time and guesswork
- 🚀 Quick and easy measurements

**What reviewers complain about**

- 🐛 Limited plant database
- 🐛 Inaccurate readings
- 🐛 Measures leaf color, not light
- 🐛 Broken after recent update
- 🐛 Doesn't work on newer devices

**Reported bugs**

- Fails to access camera
- Inconsistent light readings
- Completely inaccurate measurements
- Stopped working after update

**Requested features**

- Add more plant varieties
- Allow use of front-facing camera
- Provide numerical light readings
- Add watering information
- Improve compatibility with latest devices


### LookOnce

[App page](https://appshunter.io/ios/app/lookonce/id6768650367)

This utility app helps you quickly confirm tasks in various daily situations without complex tracking. Data is stored locally for enhanced privacy. Create custom check scenes for different routines and easily manage, share, or export your completed confirmations.

**Highlights:** Local data storage for privacy, Customizable check scenes, Focused, simple check process, Scene management with favorites, Swipe-left deletion for scenes, Sharing and export of results

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LookOnce Pro | $4.99 | one-time |


## Frequently asked questions

### Is Plant Light Meter free?

Plant Light Meter costs $2.99, with no in-app purchases.

### Is LookOnce free?

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

### Which has better reviews, Plant Light Meter or LookOnce?

LookOnce is rated higher. Plant Light Meter averages 4.6 out of 5 from 1.1K ratings, while LookOnce averages 5.0 from 1 ratings.

### Do Plant Light Meter or LookOnce have ads?

Neither Plant Light Meter nor LookOnce shows ads.

### Which is updated more often, Plant Light Meter or LookOnce?

Plant Light Meter ships an update fortnightly, and LookOnce every 9 days. Most recently, Plant Light Meter was updated on November 1, 2026 and LookOnce on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*