# Chainstr vs Lucky's Pet App

The clearest difference is in-app purchases: Chainstr at none against Lucky's Pet App's 7. Chainstr also leads on update cadence (every 10 days vs monthly). Lucky's Pet App's advantage is iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Lucky's Pet App sells 7 one-off in-app purchases. Chainstr asks for nothing beyond the download.

Chainstr ships an update every 10 days, Lucky's Pet App monthly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Chainstr | Lucky's Pet App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Size | 39 MB | 119 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 9+ |
| Developer | [Apptc.me s.r.o.](https://appshunter.io/developer/1649035726) | [Pickup Truckit LLC](https://appshunter.io/developer/1617860976) |

## What reviewers say

### Chainstr

[App page](https://appshunter.io/ios/app/chainstr-video-chains/id6443750238)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lucky's Pet App

[App page](https://appshunter.io/ios/app/luckys-pet-app/id6760656812)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Coins | $1.49 | one-time |
| 350 Coins | $4.99 | one-time |
| 800 Coins | $9.99 | one-time |
| 1700 Coins | $19.99 | one-time |
| 4300 Coins | $49.99 | one-time |
| 9000 Coins | $99.99 | one-time |
| 23000 Coins | $249.99 | one-time |


## Frequently asked questions

### Is Chainstr free?

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

### Is Lucky's Pet App free?

Lucky's Pet App is free to download, with in-app purchases available.

### Do Chainstr or Lucky's Pet App have ads?

Neither Chainstr nor Lucky's Pet App shows ads.

### Which is updated more often, Chainstr or Lucky's Pet App?

Chainstr ships an update every 10 days, and Lucky's Pet App monthly. Most recently, Chainstr was updated on October 27, 2026 and Lucky's Pet App on October 28, 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.*