# Trigonometry Help vs Sup

The clearest difference is review sentiment: Trigonometry Help at 91% against Sup's 30%. Trigonometry Help also leads on rating (4.7 vs 2.4). Sup's advantage is price (Free vs $1.99) and in-app purchases (none vs 3). On ratings volume, ads, device support and iOS requirement there is nothing between them.

Sup is free to download; Trigonometry Help costs $1.99 up front. Trigonometry Help sells 3 one-off in-app purchases. Sup asks for nothing beyond the download.

Trigonometry Help holds the better App Store score, 4.7 against 2.4. Both are backed by a comparable volume of ratings — 481 and 179 respectively. Written reviews point the same way: 91% of Trigonometry Help's written reviews are positive against 30% of Sup's.

Trigonometry Help ships an update every 13 months, Sup monthly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Trigonometry Help | Sup |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.7 (481 ratings)](https://appshunter.io/ios/app/trigonometry-help/id411415648/reviews)** | [2.4 (179 ratings)](https://appshunter.io/ios/app/sup-anesok/id1633412853/reviews) |
| Number of ratings | **481** | 179 |
| Positive reviews | **91.0% of reviews** | 29.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 13 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 21 MB | 44 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Armchair Engineering](https://appshunter.io/developer/398901339) | [亮 连](https://appshunter.io/developer/1687605002) |

## What reviewers say

### Trigonometry Help

[App page](https://appshunter.io/ios/app/trigonometry-help/id411415648)

This app helps you quickly solve for unknown angles and sides of right-angled triangles. It provides a workings view for understanding the math, a scale drawing of the triangle, and a reference for basic trigonometric formulas. You can input angles in various formats and choose your desired decimal precision.

**Highlights:** Solve right-angled triangles, Workings view for solutions, Scale drawing of solved triangle, Basic trig formulae reference, Multiple angle input formats, Customizable decimal places

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trig Help Premium | $0.99 | one-time |
| Trig Help Premium | $1.99 | one-time |
| Trig Help Premium | $3.99 | one-time |

**What reviewers like**

- 🚀 Quick and easy to use
- 👍 User-friendly interface
- 🔧 Helpful for tradesmen and professionals
- ⚙️ Accurate calculations
- 🔍 Convenient for on-site use

**What reviewers complain about**

- 🔢 Limited to right-angled triangles only
- 🔍 Lacks advanced trig functions
- 🔀 No option to rotate/flip the triangle view

**Reported bugs**

- Inconsistent performance on older devices
- Occasional crashes or freezes

**Requested features**

- Support for irregular triangles
- Ability to show step-by-step workings
- Option to switch between degrees/minutes/seconds and decimal values


### Sup

[App page](https://appshunter.io/ios/app/sup-anesok/id1633412853)

Manage your connected hardware device directly from your phone. View photos and videos stored on the device and easily copy files between your phone and the hardware.

**Highlights:** Hardware device management, Connect via USB, View photos and videos, Copy files to device, Copy files from device

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Plug and play
- 👍 Easy to use
- 🔍 Works as expected
- 💡 Useful for specific tasks

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔌 Compatibility problems with newer devices
- 🔍 Poor image/video quality
- 🔋 Lighting issues
- 🔒 Privacy concerns

**Reported bugs**

- App crashes
- Camera not recognized
- Sudden loss of functionality

**Requested features**

- Ability to rotate image/video
- Option to switch between dual cameras
- Improved brightness control
- Better app instructions


## Frequently asked questions

### Is Trigonometry Help free?

Trigonometry Help costs $1.99, and also offers in-app purchases.

### Is Sup free?

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

### Which has better reviews, Trigonometry Help or Sup?

Trigonometry Help is rated higher. Trigonometry Help averages 4.7 out of 5 from 481 ratings, while Sup averages 2.4 from 179 ratings.

### Do Trigonometry Help or Sup have ads?

Neither Trigonometry Help nor Sup shows ads.

### Which is updated more often, Trigonometry Help or Sup?

Trigonometry Help ships an update every 13 months, and Sup monthly. Most recently, Trigonometry Help was updated on November 6, 2026 and Sup on November 7, 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.*