# DIET SCHOOL vs bylab

The clearest difference is ads: bylab at none against DIET SCHOOL's shown. DIET SCHOOL's advantage is iOS requirement (14.0 vs 16.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

DIET SCHOOL ships an update every 2 weeks, bylab every 3 weeks. The most recent releases landed on October 16, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | DIET SCHOOL | bylab |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Ad-supported | — |
| Size | 73 MB | 78 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SUNGHYUK KIM](https://appshunter.io/developer/1565315586) | [(주)에이앤바이오](https://appshunter.io/developer/1597059447) |

## What reviewers say

### DIET SCHOOL

[App page](https://appshunter.io/ios/app/diet-school/id1565315164)

Access exclusive coupons, discounts, and special offers optimized for mobile. Manage your orders, shipping information, and shopping cart with ease. Stay updated with store notifications and connect via social media.

**Highlights:** Exclusive coupons and discounts, Automatic login, Order tracking, Shopping cart management, Shipping info management, Store notifications, Social media access

**In-app purchases:** none


### bylab

[App page](https://appshunter.io/ios/app/bylab/id1617727655)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DIET SCHOOL free?

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

### Is bylab free?

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

### Do DIET SCHOOL or bylab have ads?

DIET SCHOOL shows ads; bylab does not.

### Which is updated more often, DIET SCHOOL or bylab?

DIET SCHOOL ships an update every 2 weeks, and bylab every 3 weeks. Most recently, DIET SCHOOL was updated on October 16, 2026 and bylab on October 3, 2026.

---

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