# iSolveModel vs ReaderPro

The clearest difference is review sentiment: iSolveModel at 71% against ReaderPro's 0%. iSolveModel also leads on rating (5.0 vs 1.0) and in-app purchases (none vs 3). ReaderPro's advantage is price (Free vs $9.99) and update cadence (every 4 days vs every 4 months). On ratings volume, ads and device support there is nothing between them.

ReaderPro is free to download; iSolveModel costs $9.99 up front. ReaderPro sells 3 in-app purchases, starting at $1.99 per 7 days. iSolveModel asks for nothing beyond the download.

iSolveModel holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 71% of iSolveModel's written reviews are positive against 0% of ReaderPro's.

iSolveModel ships an update every 4 months, ReaderPro every 4 days. The most recent releases landed on September 12, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | iSolveModel | ReaderPro |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/isolvemodel/id387627473/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/readerpro-speed-reading/id6758106553/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | **71.4% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Paid | **Freemium** |
| Size | 5 MB | 37 MB |
| Requires iOS | 17.1 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MINDTech](https://appshunter.io/developer/382887010) | [AHMET EMRE DEDELER](https://appshunter.io/developer/1870913629) |

## 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


### ReaderPro

[App page](https://appshunter.io/ios/app/readerpro-speed-reading/id6758106553)

Enhance your reading abilities with daily drills focused on visual scanning, peripheral awareness, and word recognition. This app offers guided training plans and adaptive difficulty to improve focus, memory, and reading flow. Track your progress and see measurable improvements in your reading speed and control.

**Highlights:** 12+ Training Exercises, Guided Training Plans, Adaptive Difficulty, Progress Tracking, Reading + Focus Workouts, Clean, Minimal Design

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReaderPro Pro Weekly | $1.99 | per 7 days |
| ReaderPro Pro Monthly | $2.99 | per month |
| ReaderPro Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is iSolveModel free?

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

### Is ReaderPro free?

ReaderPro is free to download, with in-app purchases available.

### Which has better reviews, iSolveModel or ReaderPro?

iSolveModel is rated higher. iSolveModel averages 5.0 out of 5 from 2 ratings, while ReaderPro averages 1.0 from 1 ratings.

### Do iSolveModel or ReaderPro have ads?

Neither iSolveModel nor ReaderPro shows ads.

### Which is updated more often, iSolveModel or ReaderPro?

iSolveModel ships an update every 4 months, and ReaderPro every 4 days. Most recently, iSolveModel was updated on September 12, 2026 and ReaderPro on September 23, 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.*