# Memory Skill Elevator vs 3D Hourglass Timer

The clearest difference is in-app purchases: Memory Skill Elevator at none against 3D Hourglass Timer's 2. Memory Skill Elevator also leads on ratings volume (314 vs 28) and iOS requirement (12.1 vs 15.0). 3D Hourglass Timer's advantage is ads (none vs shown) and review sentiment (73% vs 64%). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. 3D Hourglass Timer sells 2 one-off in-app purchases. Memory Skill Elevator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Memory Skill Elevator against 4.7 for 3D Hourglass Timer. That said, the two scores are not equally well evidenced: Memory Skill Elevator has 314 ratings behind it against 28, so its average is the more settled of the two. Written reviews are what separate them: 64% of Memory Skill Elevator's written reviews are positive against 73% of 3D Hourglass Timer's.

Memory Skill Elevator ships an update every 2 months, 3D Hourglass Timer every 6 weeks. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Memory Skill Elevator | 3D Hourglass Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (314 ratings)](https://appshunter.io/ios/app/memory-skill-elevator/id1445198120/reviews) | **[4.7 (28 ratings)](https://appshunter.io/ios/app/3d-hourglass-timer/id6741709041/reviews)** |
| Number of ratings | **314** | 28 |
| Positive reviews | 64.0% of reviews | **72.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 12 MB | 177 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Matrix Software Co.](https://appshunter.io/developer/1457004046) | [Kyohei Hosono](https://appshunter.io/developer/1089376066) |

## What reviewers say

### Memory Skill Elevator

[App page](https://appshunter.io/ios/app/memory-skill-elevator/id1445198120)

This app offers scientifically proven mental exercises to enhance your memory. It targets short-term memory, visual memory, focus, and concentration skills through daily brain training. Regular use can lead to improved problem-solving, multitasking, and impulse control.

**Highlights:** Spatial memory training, Working memory training, Focus and concentration enhancement, Chunking skills development, Short-term memory improvement, Visual memory training

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

**In-app purchases:** none


### 3D Hourglass Timer

[App page](https://appshunter.io/ios/app/3d-hourglass-timer/id6741709041)

Experience a moment of luxury and tranquility with a beautifully designed app featuring 3D hourglasses. Enhance meditation, relaxation, and focus with customizable timers, soothing sounds, and calming music.

**Highlights:** Beautifully designed 3D hourglasses, 360° sand flow visualization, Timer from 1 to 180 minutes, Soothing sand and background sounds, Focus-boosting study timer, Elegant and luxurious design

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Moon Timer | $1.99 | one-time |
| Jellyfish Hourglass | $1.99 | one-time |


## Frequently asked questions

### Is Memory Skill Elevator free?

Memory Skill Elevator is free to download, with no in-app purchases.

### Is 3D Hourglass Timer free?

3D Hourglass Timer is free to download, with in-app purchases available.

### Which has better reviews, Memory Skill Elevator or 3D Hourglass Timer?

3D Hourglass Timer is rated higher. Memory Skill Elevator averages 4.6 out of 5 from 314 ratings, while 3D Hourglass Timer averages 4.7 from 28 ratings.

### Do Memory Skill Elevator or 3D Hourglass Timer have ads?

Memory Skill Elevator shows ads; 3D Hourglass Timer does not.

### Which is updated more often, Memory Skill Elevator or 3D Hourglass Timer?

Memory Skill Elevator ships an update every 2 months, and 3D Hourglass Timer every 6 weeks. Most recently, Memory Skill Elevator was updated on October 4, 2026 and 3D Hourglass Timer on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*