# Trigr vs Multilevel

The clearest difference is price: Multilevel at Free against Trigr's $1.99. Multilevel also leads on device support (4 vs 2). Trigr's advantage is update cadence (daily vs every 3 months). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Multilevel is free to download; Trigr costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Trigr against 5.0 for Multilevel. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Trigr ships an update daily, Multilevel every 3 months. The most recent releases landed on October 21, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Trigr | Multilevel |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/trigr-trigonometry-solver/id6448587882/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/multilevel-relative-angle/id6467743326/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 months |
| Monetization | Paid | **Free** |
| Size | 66 MB | 1 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Evolv Developments Pty. Ltd.](https://appshunter.io/developer/1679865917) | [Defiantware, LLC](https://appshunter.io/developer/1705603850) |

## What reviewers say

### Trigr

[App page](https://appshunter.io/ios/app/trigr-trigonometry-solver/id6448587882)

This app quickly solves for all unknown measurements of right-angle and isosceles triangles using just two known values. It's designed for students, engineers, and builders needing accurate triangle calculations.

**Highlights:** Solves right-angle and isosceles triangles, Calculates all unknown measurements, Requires only two known values, User-friendly interface, Accurate calculations

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

**In-app purchases:** none


### Multilevel

[App page](https://appshunter.io/ios/app/multilevel-relative-angle/id6467743326)

Measure the precise angle between multiple devices simultaneously. This app is useful for aligning physical objects, especially when they are distant or obstructed. It utilizes Bluetooth for seamless communication between devices without manual pairing.

**Highlights:** Precise angle measurement between multiple devices, Bluetooth-based device communication, Automatic device discovery and connection, Conventional bubble level functionality, Cross-platform support (macOS, iOS)

**In-app purchases:** none


## Frequently asked questions

### Is Trigr free?

Trigr costs $1.99, with no in-app purchases.

### Is Multilevel free?

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

### Which has better reviews, Trigr or Multilevel?

Trigr and Multilevel are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Trigr or Multilevel have ads?

Neither Trigr nor Multilevel shows ads.

### Which is updated more often, Trigr or Multilevel?

Trigr ships an update daily, and Multilevel every 3 months. Most recently, Trigr was updated on October 21, 2026 and Multilevel on October 9, 2026.

---

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