# MYWAM vs otta（オッタ）

The clearest difference is iOS requirement: MYWAM at 13.0 against otta（オッタ）'s 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

MYWAM ships an update every 2 months, otta（オッタ） monthly. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | MYWAM | otta（オッタ） |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 57 MB | 64 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [株式会社エイチ・エム・グループ](https://appshunter.io/developer/1747834631) | [otta inc.](https://appshunter.io/developer/966828927) |

## What reviewers say

### MYWAM

[App page](https://appshunter.io/ios/app/mywam/id1502067352)

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

**In-app purchases:** none


### otta（オッタ）

[App page](https://appshunter.io/ios/app/otta/id1521415414)

This service provides peace of mind by monitoring the location of loved ones, especially children. It utilizes beacon technology and GPS to ensure safety during daily commutes and outings, connecting families with location tracking and voice messaging.

**Highlights:** Real-time location tracking, Beacon technology for proximity alerts, GPS for nationwide coverage, Voice messaging for communication, Emergency panic button, Community-based neighborhood watch

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MYWAM free?

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

### Is otta（オッタ） free?

otta（オッタ） is free to download, with no in-app purchases.

### Do MYWAM or otta（オッタ） have ads?

Neither MYWAM nor otta（オッタ） shows ads.

### Which is updated more often, MYWAM or otta（オッタ）?

MYWAM ships an update every 2 months, and otta（オッタ） monthly. Most recently, MYWAM was updated on October 19, 2026 and otta（オッタ） on October 12, 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.*