# Donut Stack Sort vs MemorEase Lite

The clearest difference is in-app purchases: MemorEase Lite at none against Donut Stack Sort's 19. Donut Stack Sort's advantage is update cadence (every 3 weeks vs every 3 months) and iOS requirement (13.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Donut Stack Sort sells 19 one-off in-app purchases. MemorEase Lite asks for nothing beyond the download.

Donut Stack Sort ships an update every 3 weeks, MemorEase Lite every 3 months. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Donut Stack Sort | MemorEase Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (168 ratings)](https://appshunter.io/ios/app/donut-stack-sort/id6476919327/reviews)** | — |
| Number of ratings | **168** | — |
| Positive reviews | 25.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 429 MB | 2 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tran Tien Thanh](https://appshunter.io/developer/1713107024) | [HiTech Service LLC](https://appshunter.io/developer/1124417233) |

## What reviewers say

### Donut Stack Sort

[App page](https://appshunter.io/ios/app/donut-stack-sort/id6476919327)

A minimalistic puzzle game where players merge hexagonal number blocks to create higher numbers. This addictive game challenges your brain, improving memory, concentration, and reflexes.

**Highlights:** Hexagon number block merging, Mind-sharpening gameplay, Improves memory and concentration, Addictive puzzle experience, Minimalistic design

**Features:** macOS Compatibility

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin 1 | $0.99 | one-time |
| Premium Skin 2 | $0.99 | one-time |
| Premium Skin 1 | $0.99 | one-time |
| Remove ads | $1.99 | one-time |
| Super Spin | $3.99 | one-time |
| Ticket 1 | $3.99 | one-time |
| Coin 2 | $4.99 | one-time |
| No ads bundle | $4.99 | one-time |
| Mini Bundle | $4.99 | one-time |
| Piggy bank | $4.99 | one-time |
| Safe Pack | $4.99 | one-time |
| Ticket 2 | $7.99 | one-time |
| Coin 3 | $9.99 | one-time |
| One Plus One | $9.99 | one-time |
| Large Bundle | $9.99 | one-time |
| Ultimate Donut Pass | $9.99 | one-time |
| All bundle | $19.99 | one-time |
| Coin 4 | $29.99 | one-time |
| Coin 5 | $49.99 | one-time |

**What reviewers like**

- 👍 Fun and addictive gameplay
- 🎨 Beautiful design and graphics
- 💡 Good core game mechanics
- 💖 Enjoyable for anxiety relief

**What reviewers complain about**

- 广告 Excessive and intrusive ads
- 💸 Deceptive advertising practices
- 😩 Ads cover half the screen
- ✋ Ads block gameplay
- ❌ Ads prevent game progression

**Reported bugs**

- Ads freeze the game
- Ads don't close
- Ads appear mid-game and block screen
- Purchased ad-free experience still has ads
- In-app purchases not credited (e.g., coins)

**Requested features**

- More levels needed
- Update the game with new content
- Fix the ad issue
- Improve ad removal value
- Change or remove the white donut (hard to see)


### MemorEase Lite

[App page](https://appshunter.io/ios/app/memorease-lite/id6746212582)

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

**In-app purchases:** none


## Frequently asked questions

### Is Donut Stack Sort free?

Donut Stack Sort is free to download, with in-app purchases available.

### Is MemorEase Lite free?

MemorEase Lite is free to download, with no in-app purchases.

### Do Donut Stack Sort or MemorEase Lite have ads?

Neither Donut Stack Sort nor MemorEase Lite shows ads.

### Which is updated more often, Donut Stack Sort or MemorEase Lite?

Donut Stack Sort ships an update every 3 weeks, and MemorEase Lite every 3 months. Most recently, Donut Stack Sort was updated on October 21, 2026 and MemorEase Lite on October 14, 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.*