# Collect Letters! vs STAK

The clearest difference is in-app purchases: STAK at none against Collect Letters!'s 10. STAK also leads on ads (none vs shown). Collect Letters!'s advantage is iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Collect Letters! sells 10 one-off in-app purchases. STAK asks for nothing beyond the download.

## The numbers

| Metric | Collect Letters! | STAK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/stak-tower-stack-game/id6775574900/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 17 months | — |
| Monetization | — | Free |
| Size | 157 MB | 5 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rootcraft](https://appshunter.io/developer/1370994577) | [Christian Larios](https://appshunter.io/developer/6775574902) |

## What reviewers say

### Collect Letters!

[App page](https://appshunter.io/ios/app/collect-letters/id6462407299)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3,000 Gems | $1.99 | one-time |
| 1,500 Cards | $1.99 | one-time |
| 1,000,000 Coins | $1.99 | one-time |
| 5,000 Gems | $2.99 | one-time |
| 8,000 Cards | $3.99 | one-time |
| 8,000 Gems | $3.99 | one-time |
| 16,000 Gems | $4.99 | one-time |
| 60,000 Cards | $5.99 | one-time |
| 50,000 Gems | $5.99 | one-time |
| 120,000 Gems | $6.99 | one-time |


### STAK

[App page](https://appshunter.io/ios/app/stak-tower-stack-game/id6775574900)

Tap to drop blocks and build the tallest tower possible. Aim for perfect center drops to earn bonuses and unlock new skins. Compete on a global leaderboard and complete daily challenges for rewards.

**Highlights:** One-tap block dropping gameplay, Perfect center drop bonuses, Gold Rush and Golden Blocks multipliers, Global, cheat-proof leaderboard, Daily challenges and quests, Unlockable tower skins

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Collect Letters! free?

Collect Letters! is free to download, with in-app purchases available.

### Is STAK free?

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

### Do Collect Letters! or STAK have ads?

Collect Letters! shows ads; STAK does not.

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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.*