# Coin Stack vs Pencil Loop!

The clearest difference is iOS requirement: Coin Stack at 13.0 against Pencil Loop!'s 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Coin Stack sells 10 one-off in-app purchases and Pencil Loop! sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Coin Stack ships an update every 9 days, Pencil Loop! every 10 days. The most recent releases landed on August 21, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Coin Stack | Pencil Loop! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (687 ratings)](https://appshunter.io/ios/app/pencil-loop/id6753226130/reviews)** |
| Number of ratings | — | **687** |
| Positive reviews | — | 39.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Every 10 days |
| Monetization | — | Free with in-app purchases |
| Size | 283 MB | 496 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Runyou Game](https://appshunter.io/developer/1741492000) | [Rollic Games](https://appshunter.io/developer/1452111779) |

## What reviewers say

### Coin Stack

[App page](https://appshunter.io/ios/app/coin-stack-sort-puzzle/id6753212541)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tiny Coin Pack | $1.99 | one-time |
| Small Coin Pack | $7.99 | one-time |
| Remove Ads | $7.99 | one-time |
| Arcade Player Pack | $9.99 | one-time |
| Super Arcade Pack | $19.99 | one-time |
| Hyper Speed Pack | $39.99 | one-time |
| Huge Coin Pack | $54.99 | one-time |
| Overdrive Pack | $79.99 | one-time |
| Gigantic Coin Pack | $99.99 | one-time |
| Aurora Deluxe Pack | $99.99 | one-time |


### Pencil Loop!

[App page](https://appshunter.io/ios/app/pencil-loop/id6753226130)

Engage in a relaxing art puzzle game where you guide pencil boxes through a loop to sharpen and color them. Reveal vibrant hidden images step by step with simple logic and satisfying animations. Enjoy hundreds of handcrafted levels for a calming yet addictive experience.

**Highlights:** Sharpen and color pencil boxes, Reveal hidden colorful images, Hundreds of handcrafted levels, Relaxing, no-timer gameplay, Offline play, Simple one-touch controls

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Pack 1 | $1.99 | one-time |
| Rescue Offer | $4.99 | one-time |
| Coin Pack 2 | $7.99 | one-time |
| Mini Bundle | $9.99 | one-time |
| Coin Pack 3 | $14.99 | one-time |
| Medium Bundle | $19.99 | one-time |
| Super Offer | $29.99 | one-time |
| Coin Pack 4 | $29.99 | one-time |
| Coin Pack 5 | $54.99 | one-time |
| Coin Pack 6 | $99.99 | one-time |


## Frequently asked questions

### Is Coin Stack free?

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

### Is Pencil Loop! free?

Pencil Loop! is free to download, with in-app purchases available.

### Do Coin Stack or Pencil Loop! have ads?

Both Coin Stack and Pencil Loop! show ads.

### Which is updated more often, Coin Stack or Pencil Loop!?

Coin Stack ships an update every 9 days, and Pencil Loop! every 10 days. Most recently, Coin Stack was updated on August 21, 2026 and Pencil Loop! on September 4, 2026.

---

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