# Strong Mind Estimator vs Bookshare Reader

The clearest difference is price: Bookshare Reader at Free against Strong Mind Estimator's $29.99. Bookshare Reader also leads on rating (3.3 vs 1.0) and review sentiment (36% vs 0%). Strong Mind Estimator's advantage is iOS requirement (12.0 vs 16.4). On ads, in-app purchases and device support there is nothing between them.

Bookshare Reader is free to download; Strong Mind Estimator costs $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Bookshare Reader holds the better App Store score, 3.3 against 1.0. That said, the two scores are not equally well evidenced: Bookshare Reader has 68 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Strong Mind Estimator's written reviews are positive against 36% of Bookshare Reader's.

Strong Mind Estimator ships an update every 20 months, Bookshare Reader every 3 weeks. The most recent releases landed on September 23, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Strong Mind Estimator | Bookshare Reader |
| --- | --- | --- |
| Price | $29.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/strong-mind-estimator/id1383404371/reviews) | **[3.3 (68 ratings)](https://appshunter.io/ios/app/bookshare-reader/id1605201737/reviews)** |
| Number of ratings | 1 | **68** |
| Positive reviews | 0.0% of reviews | **35.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 169 MB | 81 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Donalee Markus](https://appshunter.io/developer/396769078) | [Beneficent Technology, Inc.](https://appshunter.io/developer/425585906) |

## What reviewers say

### Strong Mind Estimator

[App page](https://appshunter.io/ios/app/strong-mind-estimator/id1383404371)

Enhance your mental math, processing speed, and decision-making confidence with this clinical-grade brain training exercise. It focuses on numerical reasoning and approximation to improve daily judgment calls and cognitive shortcuts.

**Highlights:** Mental math and quick estimation, Processing speed enhancement, Decision-making confidence, Numerical reasoning, Cognitive training science, Progressive difficulty

**Features:** macOS Compatibility

**In-app purchases:** none


### Bookshare Reader

[App page](https://appshunter.io/ios/app/bookshare-reader/id1605201737)

Access a vast library of ebooks designed for individuals with reading barriers. Enjoy high-quality audio narration and customize your reading experience with adjustable fonts, colors, and speeds. Continue reading seamlessly from where you left off.

**Highlights:** Access millions of ebooks, High-quality audio narration, Customizable reading experience, Adjustable font size and colors, Follow along with highlighted text, Offline reading

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great for dyslexic readers
- 👍 Realistic text-to-speech voices
- 👍 Offline book downloads
- 👍 Essential for blind users
- 👍 Significant improvements made

**What reviewers complain about**

- 🐛 Prolonged pauses in speech
- 🐛 Library not syncing across devices
- 🐛 Reading lists don't sync
- 🐛 Progress not saved across devices
- 🐛 Stuck on copyright page (manga)

**Reported bugs**

- Prolonged pauses in text-to-speech
- Library not syncing across devices
- Reading lists not syncing
- Reading progress not saved across devices
- Manga stuck on copyright page

**Requested features**

- Fix prolonged pauses in text-to-speech
- Sync library across devices
- Sync reading lists across devices
- Save reading progress across devices
- Fix manga page navigation


## Frequently asked questions

### Is Strong Mind Estimator free?

Strong Mind Estimator costs $29.99, with no in-app purchases.

### Is Bookshare Reader free?

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

### Which has better reviews, Strong Mind Estimator or Bookshare Reader?

Bookshare Reader is rated higher. Strong Mind Estimator averages 1.0 out of 5 from 1 ratings, while Bookshare Reader averages 3.3 from 68 ratings.

### Do Strong Mind Estimator or Bookshare Reader have ads?

Neither Strong Mind Estimator nor Bookshare Reader shows ads.

### Which is updated more often, Strong Mind Estimator or Bookshare Reader?

Strong Mind Estimator ships an update every 20 months, and Bookshare Reader every 3 weeks. Most recently, Strong Mind Estimator was updated on September 23, 2026 and Bookshare Reader on October 15, 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.*