# ZEROWELL vs 닥터스 AI

The clearest difference is update cadence: 닥터스 AI at fortnightly against ZEROWELL's every 23 months. On price, ads, 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.

ZEROWELL ships an update every 23 months, 닥터스 AI fortnightly. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ZEROWELL | 닥터스 AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/ai/id6751789475/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 190 MB | 78 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZEROWELL Inc.](https://appshunter.io/developer/1588858653) | [Doctorsupply Co.,Ltd.](https://appshunter.io/developer/1596425952) |

## What reviewers say

### ZEROWELL

[App page](https://appshunter.io/ios/app/zerowell/id1588858651)

**Features:** macOS Compatibility

**In-app purchases:** none


### 닥터스 AI

[App page](https://appshunter.io/ios/app/ai/id6751789475)

Control your heated mattress pad with customizable timers and temperature settings. Schedule your mat and manage it remotely via Wi-Fi and Bluetooth for ultimate comfort and convenience.

**Highlights:** Adjustable timer (30 min - 12 hours), Temperature control (1-99 levels), Mat reservation settings, Wi-Fi & Bluetooth control, Multiple bed sizes supported

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

**In-app purchases:** none


## Frequently asked questions

### Is ZEROWELL free?

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

### Is 닥터스 AI free?

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

### Do ZEROWELL or 닥터스 AI have ads?

Neither ZEROWELL nor 닥터스 AI shows ads.

### Which is updated more often, ZEROWELL or 닥터스 AI?

ZEROWELL ships an update every 23 months, and 닥터스 AI fortnightly. Most recently, ZEROWELL was updated on October 8, 2026 and 닥터스 AI on October 10, 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.*