# ZETLIGHT SYSTEM vs Level Tool · Angle Finder

The clearest difference is in-app purchases: ZETLIGHT SYSTEM at none against Level Tool · Angle Finder's 11. ZETLIGHT SYSTEM also leads on review sentiment (29% vs 0%) and device support (3 vs 1). Level Tool · Angle Finder's advantage is ratings volume (237 vs 3) and update cadence (fortnightly vs every 2 months). On price, rating and ads there is nothing between them.

Both are free to download. Level Tool · Angle Finder sells 7 in-app purchases, starting at $9.99 per 7 days. ZETLIGHT SYSTEM asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.3 for ZETLIGHT SYSTEM against 4.3 for Level Tool · Angle Finder. That said, the two scores are not equally well evidenced: Level Tool · Angle Finder has 237 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 29% of ZETLIGHT SYSTEM's written reviews are positive against 0% of Level Tool · Angle Finder's.

ZETLIGHT SYSTEM ships an update every 2 months, Level Tool · Angle Finder fortnightly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ZETLIGHT SYSTEM | Level Tool · Angle Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/zetlight-system/id1052640173/reviews) | **[4.3 (237 ratings)](https://appshunter.io/ios/app/level-tool-angle-finder/id6747709615/reviews)** |
| Number of ratings | 3 | **237** |
| Positive reviews | **28.6% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 22 MB | 56 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Zetlight Group](https://appshunter.io/developer/1156386420) | [Shenzhen AiPuLeSi Technology Co.,Ltd](https://appshunter.io/developer/1805512838) |

## What reviewers say

### ZETLIGHT SYSTEM

[App page](https://appshunter.io/ios/app/zetlight-system/id1052640173)

Control Zetlight LED aquarium lighting devices remotely. Manage multiple lights, adjust effects like dawn and lunar phases, and simulate weather patterns. Offers basic and expert control platforms for aquarium hobbyists.

**Highlights:** Control Zetlight LED lighting devices, Wireless network control, Manage multiple lightings, Basic and Expert control platforms, Adjust light effects (dawn, sunrise, daytime, sunset, nighttime), Simulate weather and lunar phases, Acclimation mode for new tank inhabitants

**In-app purchases:** none


### Level Tool · Angle Finder

[App page](https://appshunter.io/ios/app/level-tool-angle-finder/id6747709615)

This app provides a suite of digital measurement tools, including a spirit level, angle finder, laser level, and metal detector. It helps users accurately measure angles, check surface flatness, and align objects for various home, DIY, and professional projects. Features include sound and light alerts, calibration, and AR-based laser lines.

**Highlights:** Digital spirit level with sound and light alerts, Angle finder with degree precision and locking, AR-powered laser level for alignment, Metal detector for wires and pipes, Compass and barometer for outdoor use, Surface calibration and angle locking

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 3-Day Free Trial | $9.99 | per 7 days |
| Premium Weekly | $9.99 | per 7 days |
| Premium 3-Days Free Trial | $9.99 | per 7 days |
| Premium Weekly | $9.99 | per 7 days |
| Premium Weekly | $9.99 | per 7 days |
| Premium Yearly | $39.99 | per year |
| LifeTime Access | $9.99 | one-time |


## Frequently asked questions

### Is ZETLIGHT SYSTEM free?

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

### Is Level Tool · Angle Finder free?

Level Tool · Angle Finder is free to download, with in-app purchases available.

### Which has better reviews, ZETLIGHT SYSTEM or Level Tool · Angle Finder?

Level Tool · Angle Finder is rated higher. ZETLIGHT SYSTEM averages 4.3 out of 5 from 3 ratings, while Level Tool · Angle Finder averages 4.3 from 237 ratings.

### Do ZETLIGHT SYSTEM or Level Tool · Angle Finder have ads?

Neither ZETLIGHT SYSTEM nor Level Tool · Angle Finder shows ads.

### Which is updated more often, ZETLIGHT SYSTEM or Level Tool · Angle Finder?

ZETLIGHT SYSTEM ships an update every 2 months, and Level Tool · Angle Finder fortnightly. Most recently, ZETLIGHT SYSTEM was updated on October 21, 2026 and Level Tool · Angle Finder 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.*