# 大E小E vs Light Meter

The clearest difference is in-app purchases: 大E小E at none against Light Meter's 3. Light Meter's advantage is update cadence (every 6 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Light Meter sells 3 in-app purchases, starting at $9.00 per 7 days. 大E小E asks for nothing beyond the download.

大E小E ships an update every 3 months, Light Meter every 6 weeks. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 大E小E | Light Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (4 ratings)](https://appshunter.io/ios/app/light-meter-lux-light-meter/id6751223352/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 64 MB | 13 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Fast Vision(tianjin)Technology Co.,Ltd](https://appshunter.io/developer/1639275589) | [琦 崔](https://appshunter.io/developer/1831666610) |

## What reviewers say

### 大E小E

[App page](https://appshunter.io/ios/app/ee/id1639275587)

**Features:** macOS Compatibility

**In-app purchases:** none


### Light Meter

[App page](https://appshunter.io/ios/app/light-meter-lux-light-meter/id6751223352)

This tool precisely measures light intensity in Lux and Footcandles, offering data for photography, plant care, and environmental analysis. It provides photography recommendations and generates data reports for various applications.

**Highlights:** Multi-mode metering system, Real-time color temperature capture, Photography decision engine, Plant cultivation light monitoring, Space optimization analysis, Data report generation

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly membership | $9.00 | per 7 days |
| Annual Membership | $14.99 | one-time |
| Lifetime membership | $29.99 | one-time |


## Frequently asked questions

### Is 大E小E free?

大E小E is free to download, with no in-app purchases.

### Is Light Meter free?

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

### Do 大E小E or Light Meter have ads?

Neither 大E小E nor Light Meter shows ads.

### Which is updated more often, 大E小E or Light Meter?

大E小E ships an update every 3 months, and Light Meter every 6 weeks. Most recently, 大E小E was updated on September 8, 2026 and Light Meter on September 10, 2026.

---

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