# Tigerhall vs memoryOS

The clearest difference is ratings volume: memoryOS at 17K against Tigerhall's 73. memoryOS also leads on chart position (#54 vs unranked). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Tigerhall sells 4 in-app purchases, starting at $28.99 per month and memoryOS sells 9 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Tigerhall against 4.9 for memoryOS. That said, the two scores are not equally well evidenced: memoryOS has 17K ratings behind it against 73, so its average is the more settled of the two. Written reviews split almost evenly too, at 80% and 80% positive.

Tigerhall ships an update monthly, memoryOS fortnightly. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Tigerhall | memoryOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (73 ratings)](https://appshunter.io/ios/app/tigerhall/id1450973021/reviews) | **[4.9 (17K ratings)](https://appshunter.io/ios/app/memoryos-memory-games/id1553283646/reviews)** |
| Number of ratings | 73 | **17K** |
| Positive reviews | 80.0% of reviews | **80.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#54** |
| Size | 119 MB | 232 MB |
| Requires iOS | **15.1** | 15.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Tigerhall LTD](https://appshunter.io/developer/1450973020) | [Encoder Inc.](https://appshunter.io/developer/1524669695) |

## What reviewers say

### Tigerhall

[App page](https://appshunter.io/ios/app/tigerhall/id1450973021)

This app helps organizations drive change initiatives efficiently by providing a unified knowledge infrastructure. It facilitates strategic alignment, real-time feedback, and knowledge sharing with experts, all within a single platform.

**Highlights:** Unified knowledge infrastructure, Strategic alignment, Real-time feedback loops, Knowledge sharing with experts, Supports multiple devices, Microsoft Teams integration

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Individual Access - Monthly | $28.99 | per month |
| Individual Access - Monthly | $29.00 | per month |
| Individual Access - Yearly | $289.99 | per year |
| Individual Access - Yearly | $290.00 | per year |


### memoryOS

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

**Currently charting:** #54 Top Grossing · Education, #81 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 Tigerhall free?

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

### Is memoryOS free?

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

### Which has better reviews, Tigerhall or memoryOS?

memoryOS is rated higher. Tigerhall averages 4.8 out of 5 from 73 ratings, while memoryOS averages 4.9 from 17K ratings.

### Do Tigerhall or memoryOS have ads?

Neither Tigerhall nor memoryOS shows ads.

### Which is updated more often, Tigerhall or memoryOS?

Tigerhall ships an update monthly, and memoryOS fortnightly. Most recently, Tigerhall was updated on November 2, 2026 and memoryOS on November 5, 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.*