Is 祖父母ninaru（になる）：妊娠・育児を支えるアプリ Safe for Kids?
Age rating is set by App Store, not by Unstar. This page explains it and adds what parents report in reviews. Not affiliated with EVER SENSE, INC..
What 祖父母ninaru（になる）：妊娠・育児を支えるアプリ's age rating means
The App Store gives 祖父母ninaru（になる）：妊娠・育児を支えるアプリ an official 17+ rating, so the store considers it unsuitable for children. That usually reflects mature themes, chat with strangers, suggestive content, or gambling-style mechanics. For a child or younger teen, treat this as a clear caution.
What parents and users report about 祖父母ninaru（になる）：妊娠・育児を支えるアプリ
Users complain that the app lacks features tailored specifically for grandparents, such as messages addressing grandfathers or practical advice for interacting with newborns. Many note that the content is nearly identical to the parent-focused version, missing opportunities to educate grandparents on modern parenting norms. Several also report technical issues, like inability to register multiple grandchildren or switch between them.
Summarized from 12 recent 1-3 star reviews. These are user reports, not verified claims.
How to keep your child safe with 祖父母ninaru（になる）：妊娠・育児を支えるアプリ
Settings, Screen Time, Content & Privacy Restrictions. Set an age limit for apps, require Ask to Buy for purchases, and restrict or remove 祖父母ninaru（になる）：妊娠・育児を支えるアプリ if it is above your child's age.
Use Google Family Link to approve installs, set a Play Store content rating limit, require purchase approval, and block or uninstall 祖父母ninaru（になる）：妊娠・育児を支えるアプリ on your child's device.
祖父母ninaru（になる）：妊娠・育児を支えるアプリ for kids: frequently asked questions
Is 祖父母ninaru（になる）：妊娠・育児を支えるアプリ safe for kids?
祖父母ninaru（になる）：妊娠・育児を支えるアプリ carries an official age rating of 17+ on the App Store, which means it is not designed for children. It is a real, listed app, but the store itself flags it for a mature audience. If a younger child wants it, the rating alone is a strong reason to say no or to supervise closely.
What age rating does 祖父母ninaru（になる）：妊娠・育児を支えるアプリ have?
The App Store rates 祖父母ninaru（になる）：妊娠・育児を支えるアプリ as 17+. This is the store's own content rating, set from the app's features and content, not our opinion. Use it as the starting point for whether it fits your child's age.
Can my child use 祖父母ninaru（になる）：妊娠・育児を支えるアプリ safely?
If you decide to allow it, use device parental controls: Screen Time and Content & Privacy Restrictions on iPhone, or Family Link and Play Store parental controls on Android. Turn on purchase approval, set age-appropriate content limits, and keep the account under your family group so you can see activity.
How do I block or remove 祖父母ninaru（になる）：妊娠・育児を支えるアプリ from my child's phone?
On iPhone, open Settings, Screen Time, Content & Privacy Restrictions, then restrict or delete the app and block reinstalling it. On Android, open Family Link, select your child, find 祖父母ninaru（になる）：妊娠・育児を支えるアプリ and block or uninstall it. You can also set a store age limit so apps above your child's age cannot be installed.