# Infinite Mind vs Slope Calculator Plus

The clearest difference is price: Infinite Mind at Free against Slope Calculator Plus's $2.99. Infinite Mind also leads on update cadence (fortnightly vs every 23 months) and iOS requirement (15.1 vs 17.0). Slope Calculator Plus's advantage is in-app purchases (none vs 10) and ads (none vs shown). On device support there is nothing between them.

Infinite Mind is free to download; Slope Calculator Plus costs $2.99 up front. Infinite Mind sells 10 in-app purchases, starting at $0.99 per month. Slope Calculator Plus asks for nothing beyond the download.

Infinite Mind ships an update fortnightly, Slope Calculator Plus every 23 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | Infinite Mind | Slope Calculator Plus |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.9 (162 ratings)](https://appshunter.io/ios/app/infinite-mind-memory-games/id1544288085/reviews)** | — |
| Number of ratings | **162** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 23 months |
| Monetization | Free with in-app purchases | — |
| Size | 188 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 9+ |
| Developer | [Infinite Mind LLC](https://appshunter.io/developer/1544288087) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### Infinite Mind

[App page](https://appshunter.io/ios/app/infinite-mind-memory-games/id1544288085)

Enhance your cognitive abilities with daily 7-minute workouts that combine speed reading, vision therapy, and mental processing. Clinically validated exercises and personalized goals help you read faster, think sharper, and improve focus. Track your progress and see measurable improvements in just weeks.

**Highlights:** Speed reading and comprehension training, Vision therapy and eye-tracking exercises, Rapid mental processing drills, Personalized goals and progress tracking, Daily 7-minute sessions, 40+ science-backed games

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Special Offer | $0.99 | per month |
| Ad-Free | $2.99 | per month |
| Premium Discounted | $6.99 | per month |
| Premium | $9.99 | per month |
| Friends & Family | $24.99 | per month |
| Yearly subscription | $69.99 | per year |
| Purchase 1000 Diamonds | $2.99 | one-time |
| Purchase 500 Diamonds | $3.99 | one-time |
| Purchase 1800 Diamonds | $4.99 | one-time |
| Purchase 4500 Diamonds | $9.99 | one-time |

**What reviewers like**

- 🚀 Improved reading speed
- 🧠 Enhanced comprehension
- 💡 Brain activation and stimulation
- 👍 User-friendly interface
- ⏱️ Quick and effective sessions

**What reviewers complain about**

- 🐢 Fast-paced for elderly
- 🐢 App won't scroll down to select button

**Reported bugs**

- App won't scroll down to select button

**Requested features**

- Update needed for starting and selecting next round
- Pay version to remove commercials


### Slope Calculator Plus

[App page](https://appshunter.io/ios/app/slope-calculator-plus/id1627653061)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Infinite Mind free?

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

### Is Slope Calculator Plus free?

Slope Calculator Plus costs $2.99, with no in-app purchases.

### Do Infinite Mind or Slope Calculator Plus have ads?

Infinite Mind shows ads; Slope Calculator Plus does not.

### Which is updated more often, Infinite Mind or Slope Calculator Plus?

Infinite Mind ships an update fortnightly, and Slope Calculator Plus every 23 months. Most recently, Infinite Mind was updated on November 7, 2026 and Slope Calculator Plus 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.*