# coderJS vs ByPet

The clearest difference is in-app purchases: coderJS at none against ByPet's 18. coderJS also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.6). ByPet's advantage is update cadence (every 10 days vs every 7 months). On price and device support there is nothing between them.

Both are free to download. ByPet sells 18 one-off in-app purchases. coderJS asks for nothing beyond the download.

coderJS ships an update every 7 months, ByPet every 10 days. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | coderJS | ByPet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (3.1K ratings)](https://appshunter.io/ios/app/bypet-play-and-grow-btc-pets/id6754833330/reviews)** |
| Number of ratings | — | **3.1K** |
| Positive reviews | — | 71.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 302 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Afnan Choudhury](https://appshunter.io/developer/1584476976) | [PETPET TECH LIMITED](https://appshunter.io/developer/1777005465) |

## What reviewers say

### coderJS

[App page](https://appshunter.io/ios/app/coderjs/id6470312270)

**Features:** macOS Compatibility

**In-app purchases:** none


### ByPet

[App page](https://appshunter.io/ios/app/bypet-play-and-grow-btc-pets/id6754833330)

Adopt, nurture, and grow a variety of digital pets in this relaxing virtual pet simulator. Engage in fun gameplay, manage your own farm, and earn in-game rewards. Connect with friends for a shared, enjoyable experience.

**Highlights:** Diverse pet selection, Virtual farm management, Interactive pet care, Daily tasks and rewards, Friend referral system, Crop growing and harvesting

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pet - Hamster | $4.99 | one-time |
| Pet-Hamster | $5.99 | one-time |
| Pet-Budgerigar | $9.99 | one-time |
| Pet - Dutch Rabbit | $19.99 | one-time |
| Pet-Tabby Cat | $29.99 | one-time |
| Pet - English Bulldog | $39.99 | one-time |
| Pet-American Shorthair | $39.99 | one-time |
| Pet-French Bulldog | $49.99 | one-time |
| Pet-Ginger Cat | $49.99 | one-time |
| Pet-Beagle | $59.99 | one-time |
| Pet-Dachshund | $79.99 | one-time |
| Pet-Pomeranian | $99.99 | one-time |
| Pet - Gray Squirrel | $149.99 | one-time |
| Pet-Persian Cat | $199.99 | one-time |
| Pet-Corgi | $249.99 | one-time |
| Pet-Toy Poodle | $299.99 | one-time |
| Pet - Golden Retriever | $799.99 | one-time |
| Pet - Siberian Husky | $999.99 | one-time |


## Frequently asked questions

### Is coderJS free?

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

### Is ByPet free?

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

### Do coderJS or ByPet have ads?

ByPet shows ads; coderJS does not.

### Which is updated more often, coderJS or ByPet?

coderJS ships an update every 7 months, and ByPet every 10 days. Most recently, coderJS was updated on October 10, 2026 and ByPet on October 25, 2026.

---

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