# 飲んだ？ vs Deaf Navi

The clearest difference is in-app purchases: Deaf Navi at none against 飲んだ？'s 2. Deaf Navi also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 飲んだ？ sells 2 in-app purchases, starting at $1.99 per month. Deaf Navi asks for nothing beyond the download.

飲んだ？ ships an update every 8 days, Deaf Navi fortnightly. Both last shipped on October 31, 2026.

## The numbers

| Metric | 飲んだ？ | Deaf Navi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 4 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Masaki Sato](https://appshunter.io/developer/391356571) | [MASAYOSHI TSUJI](https://appshunter.io/developer/1888467644) |

## What reviewers say

### 飲んだ？

[App page](https://appshunter.io/ios/app/id6760609972)

Never forget to take your medication again. This app displays upcoming doses on your lock screen and sends timely reminders. It helps track your medication history, remaining supply, and even allows you to share reports with your doctor.

**Highlights:** Lock screen display for next dose, On-demand reminders, AI-powered prescription scanning, Medication history tracking, Supply management, Daily health logging

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $1.99 | per month |
| 年額プラン | $19.99 | per year |


### Deaf Navi

[App page](https://appshunter.io/ios/app/deaf-navi/id6761352199)

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

**In-app purchases:** none


## Frequently asked questions

### Is 飲んだ？ free?

飲んだ？ is free to download, with in-app purchases available.

### Is Deaf Navi free?

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

### Do 飲んだ？ or Deaf Navi have ads?

飲んだ？ shows ads; Deaf Navi does not.

### Which is updated more often, 飲んだ？ or Deaf Navi?

飲んだ？ ships an update every 8 days, and Deaf Navi fortnightly. Most recently, 飲んだ？ was updated on October 31, 2026 and Deaf Navi on October 31, 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.*