# Solve vs Outdoor Compass Utility

The clearest difference is price: Outdoor Compass Utility at Free against Solve's $1.99. Outdoor Compass Utility also leads on review sentiment (100% vs 82%) and iOS requirement (13.0 vs 15.6). Solve's advantage is ads (none vs shown) and update cadence (monthly vs every 87 months). On rating, in-app purchases and device support there is nothing between them.

Outdoor Compass Utility is free to download; Solve 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 — 4.7 for Solve against 4.7 for Outdoor Compass Utility. Both are backed by a comparable volume of ratings — 200 and 43 respectively. Written reviews are what separate them: 82% of Solve's written reviews are positive against 100% of Outdoor Compass Utility's.

Solve ships an update monthly, Outdoor Compass Utility every 87 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Solve | Outdoor Compass Utility |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.7 (200 ratings)](https://appshunter.io/ios/app/solve-graphing-calculator/id299460923/reviews)** | [4.7 (43 ratings)](https://appshunter.io/ios/app/outdoor-compass-utility/id1165729088/reviews) |
| Number of ratings | **200** | 43 |
| Positive reviews | 82.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 87 months |
| Monetization | **Free** | Ad-supported |
| Size | 5 MB | 10 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pomegranate Apps LLC](https://appshunter.io/developer/293619496) | [在海 刘](https://appshunter.io/developer/1895647006) |

## What reviewers say

### Solve

[App page](https://appshunter.io/ios/app/solve-graphing-calculator/id299460923)

This app offers a powerful graphing calculator with multiple functions. It solves expressions as you type and features an innovative memory system to store and recall answers. Easily plot 2D, 3D, polar, and time-based graphs with intuitive controls.

**Highlights:** Solves expressions as you type, Innovative memory system, Four distinct calculator tabs, 2D and 3D function plotting, Polar and time graphing, Plot multiple functions simultaneously

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

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive and user-friendly interface
- 💡 Multiple calculator pages for simultaneous calculations
- 📊 Powerful graphing capabilities (2D, 3D, time-based)
- 🎨 Visually appealing design with color options
- ⚡ Fast and responsive performance

**What reviewers complain about**

- 🐛 Gesture conflict with iOS swipe-to-exit (requires two swipes)
- 🐛 Home indicator hidden, complicating app exit
- 🔢 Floating-point precision errors (100 + 0.1 ≠ 100.1)
- ⚠️ Lacks percent button functionality
- ⚠️ Missing some advanced functions (floor, ceil, derivatives, integrals)

**Reported bugs**

- Swipe up from bottom requires two swipes to exit app or switch apps
- Home indicator hidden causes navigation issues
- Floating-point arithmetic errors in decimal calculations
- Inverse trigonometric functions (cos⁻¹, sin⁻¹) calculate in reverse
- Graph plotting errors (e.g., sqrt(5²-x²) shows incomplete circle)

**Requested features**

- Fix swipe-to-exit gesture conflict with iOS
- Add percent button for quick percentage calculations
- Implement undo/redo functionality
- Add calculation history storage and management
- Support for independent X/Y axis scaling


### Outdoor Compass Utility

[App page](https://appshunter.io/ios/app/outdoor-compass-utility/id1165729088)

This utility app provides essential tools for outdoor activities. It features a precise compass for navigation, a loud whistle for signaling, and a bright flashlight for illumination. Designed for hikers, climbers, and campers, it's a convenient all-in-one solution for outdoor safety and exploration.

**Highlights:** Precise compass with GPS location, Loud whistle for signaling, Bright flashlight for illumination, Three-in-one outdoor tool, Designed for hiking, climbing, camping

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

**In-app purchases:** none


## Frequently asked questions

### Is Solve free?

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

### Is Outdoor Compass Utility free?

Outdoor Compass Utility is free to download, with no in-app purchases.

### Which has better reviews, Solve or Outdoor Compass Utility?

Solve is rated higher. Solve averages 4.7 out of 5 from 200 ratings, while Outdoor Compass Utility averages 4.7 from 43 ratings.

### Do Solve or Outdoor Compass Utility have ads?

Outdoor Compass Utility shows ads; Solve does not.

### Which is updated more often, Solve or Outdoor Compass Utility?

Solve ships an update monthly, and Outdoor Compass Utility every 87 months. Most recently, Solve was updated on October 23, 2026 and Outdoor Compass Utility 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.*