# iSolveModel vs Maine Ice Age Trail

The clearest difference is price: Maine Ice Age Trail at Free against iSolveModel's $9.99. Maine Ice Age Trail also leads on iOS requirement (13.0 vs 17.1). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Maine Ice Age Trail is free to download; iSolveModel costs $9.99 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 iSolveModel against 5.0 for Maine Ice Age Trail. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | iSolveModel | Maine Ice Age Trail |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/isolvemodel/id387627473/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/maine-ice-age-trail/id6475310678/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Paid | **Free** |
| Size | 5 MB | 101 MB |
| Requires iOS | 17.1 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MINDTech](https://appshunter.io/developer/382887010) | [Bjorn Grigholm](https://appshunter.io/developer/1556719458) |

## What reviewers say

### iSolveModel

[App page](https://appshunter.io/ios/app/isolvemodel/id387627473)

This app offers a powerful linear programming solver for iOS devices, utilizing the simplex algorithm and an integrated MIP solver for integer variables. It's designed for students and professionals in operations research and related fields, allowing easy model creation and sharing.

**Highlights:** Linear programming solver, Simplex algorithm, Integrated MIP solver, Sensitivity analysis, iTunes File Sharing, Email model/solution transfer, Text-based model documents

**Features:** macOS Compatibility

**In-app purchases:** none


### Maine Ice Age Trail

[App page](https://appshunter.io/ios/app/maine-ice-age-trail/id6475310678)

Explore the geological wonders of Maine's Down East region shaped by the Ice Age. This app offers interactive maps, virtual tours, and videos to discover historical sites and natural beauty.

**Highlights:** Interactive maps, Virtual tours, Video links, Historical site discovery, Natural beauty exploration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iSolveModel free?

iSolveModel costs $9.99, with no in-app purchases.

### Is Maine Ice Age Trail free?

Maine Ice Age Trail is free to download, with no in-app purchases.

### Which has better reviews, iSolveModel or Maine Ice Age Trail?

iSolveModel and Maine Ice Age Trail are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do iSolveModel or Maine Ice Age Trail have ads?

Neither iSolveModel nor Maine Ice Age Trail shows ads.

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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.*