# Exponential Mastery vs memoryOS

The clearest difference is in-app purchases: Exponential Mastery at none against memoryOS's 10. Exponential Mastery also leads on review sentiment (100% vs 80%). memoryOS's advantage is ads (none vs shown) and update cadence (fortnightly vs every 4 months). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. memoryOS sells 9 in-app purchases, starting at $5.99 per month. Exponential Mastery asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Exponential Mastery against 4.9 for memoryOS. That said, the two scores are not equally well evidenced: memoryOS has 17K ratings behind it against 42, so its average is the more settled of the two. Written reviews are what separate them: 100% of Exponential Mastery's written reviews are positive against 80% of memoryOS's.

Exponential Mastery ships an update every 4 months, memoryOS fortnightly. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Exponential Mastery | memoryOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (42 ratings)](https://appshunter.io/ios/app/exponential-mastery/id1487838607/reviews)** | [4.9 (17K ratings)](https://appshunter.io/ios/app/memoryos-memory-games/id1553283646/reviews) |
| Number of ratings | 42 | **17K** |
| Positive reviews | **100.0% of reviews** | 80.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Subscription | **Free with in-app purchases** |
| Best chart rank | — | **#68** |
| Size | 67 MB | 232 MB |
| Requires iOS | **15.0** | 15.2 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PHD Ventures Inc.](https://appshunter.io/developer/1407125915) | [Encoder Inc.](https://appshunter.io/developer/1524669695) |

## What reviewers say

### Exponential Mastery

[App page](https://appshunter.io/ios/app/exponential-mastery/id1487838607)

Master exponential technologies and bold thinking with frameworks and insights from top leaders. Learn to predict breakthroughs, launch moonshot projects, and connect with a community building the future. Prepare to lead in a rapidly changing world.

**Highlights:** Exponential Primer Course, Access to Thought Leaders, Cutting-Edge AI Tools, Purpose-Driven Entrepreneurship, Networking Opportunities, Moonshot Project Strategies

**In-app purchases:** none

**What reviewers like**

- ✨ Outstanding content quality
- 💡 Futuristic and innovative content
- 🧠 Inspiring and thought-provoking
- 🚀 Access to brilliant minds and experts
- 👍 Easy to use and smooth experience

**What reviewers complain about**

- 🔍 Difficulty finding next video in a series
- 🔎 Hard to locate information via search alone
- ⏩ Lack of video speed control (double speed desired)

**Reported bugs**

- Original app had glitches (now fixed)
- No longer glitches in the new app

**Requested features**

- Ability to double video playback speed
- Improved search functionality for series content


### memoryOS

[App page](https://appshunter.io/ios/app/memoryos-memory-games/id1553283646)

**Currently charting:** #68 Top Grossing · Education, #70 Top Free · Education (US App Store)

Enhance your memory with interactive lessons and a 3D virtual mind palace game. This app uses scientifically proven techniques like spaced repetition to boost long-term memory storage and knowledge retention. It's designed to make memorization skills joyful and effective for everyone.

**Highlights:** Interactive memory lessons, 3D Virtual Mind Palaces, Spaced repetition system, Gamified learning, Memorize names, lists, numbers, and more, Advanced study techniques

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Student Monthly Plan | $5.99 | per month |
| Essential Weekly Plan | $6.99 | per 7 days |
| Essential Monthly Plan | $15.99 | per month |
| Expert Monthly Plan | $27.99 | per month |
| Essential Annual Plan | $89.99 | per year |
| Expert Annual Plan | $148.99 | per year |
| Expert Annual Plan | $149.99 | per year |
| Expert Annual Plan | $159.99 | per year |
| Expert Annual Plan | $159.99 | per year |

**What reviewers like**

- 🚀 Effective memory techniques
- 👍 Interactive and engaging
- 💡 Innovative use of memory palaces
- 🤩 Impressive results in a short time
- 🎉 Fun and enjoyable to use

**What reviewers complain about**

- 💰 Expensive subscription model
- 🐛 Buggy and crashes frequently
- 🤔 Confusing navigation and UI
- 🔒 Lack of transparency around pricing
- 🙄 Aggressive upselling and marketing tactics

**Reported bugs**

- Login issues and account management problems
- Frequent crashes and app instability
- Navigation and UI elements not working as expected
- Syncing issues between devices and lost progress
- Connectivity problems when using cellular data

**Requested features**

- More free content and lessons
- Ability to create custom memory palaces
- Better progress tracking and analytics
- Integration with other learning/productivity apps
- Offline mode for lessons and memory palaces


## Frequently asked questions

### Is Exponential Mastery free?

Exponential Mastery is free to download, with no in-app purchases.

### Is memoryOS free?

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

### Which has better reviews, Exponential Mastery or memoryOS?

Exponential Mastery is rated higher. Exponential Mastery averages 5.0 out of 5 from 42 ratings, while memoryOS averages 4.9 from 17K ratings.

### Do Exponential Mastery or memoryOS have ads?

Exponential Mastery shows ads; memoryOS does not.

### Which is updated more often, Exponential Mastery or memoryOS?

Exponential Mastery ships an update every 4 months, and memoryOS fortnightly. Most recently, Exponential Mastery was updated on November 3, 2026 and memoryOS on November 9, 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.*