# Stack 101 Tower vs Duna's BlobDrop

The clearest difference is iOS requirement: Stack 101 Tower at 12.0 against Duna's BlobDrop's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Stack 101 Tower ships an update every 5 days, Duna's BlobDrop weekly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Stack 101 Tower | Duna's BlobDrop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Weekly |
| Size | 54 MB | 5 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ZHENG YU-XIANG](https://appshunter.io/developer/1863257025) | [Nam Vu Hoai](https://appshunter.io/developer/1886460444) |

## What reviewers say

### Stack 101 Tower

[App page](https://appshunter.io/ios/app/stack-101-tower/id6759484448)

**Features:** macOS Compatibility

**In-app purchases:** none


### Duna's BlobDrop

[App page](https://appshunter.io/ios/app/dunas-blobdrop/id6760836371)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stack 101 Tower free?

Stack 101 Tower is free to download, with no in-app purchases.

### Is Duna's BlobDrop free?

Duna's BlobDrop is free to download, with no in-app purchases.

### Do Stack 101 Tower or Duna's BlobDrop have ads?

Both Stack 101 Tower and Duna's BlobDrop show ads.

### Which is updated more often, Stack 101 Tower or Duna's BlobDrop?

Stack 101 Tower ships an update every 5 days, and Duna's BlobDrop weekly. Most recently, Stack 101 Tower was updated on October 28, 2026 and Duna's BlobDrop on October 25, 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.*