Synchronism vs NINIGU
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Synchronism
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A Simple synchronized photo shooting app. - simultaneous synced short video with your friends next to you. - Make beautiful card with synced photo.
NINIGU
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Not a stranger โ someone your friend thinks you'd really get along with. NINIGU brings the familiar tradition of being introduced through friends into an app built around the people you already know. [Friends] Add the friends you know in real life. Everything on NINIGU starts from these real connections โ there is no browsing of strangers. [Introductions by a trusted friend] Friends can create an Introduction Circle of friends they know well and vouch for. When you'd like to be introduced to someone in a friend's circle, your request goes to that friend first โ not to the other person. Your friend decides whether the introduction makes sense, adds a short note, and only then passes it along. A conversation starts only if the other person also says yes. [Be the matchmaker] You don't have to be looking for anyone yourself. Many people use NINIGU simply to introduce two friends who might get along. [Plaza] Join hobby boards, share posts and photos, comment, and plan meetups with people who share your interests. Save meetup posts to your calendar. [Meetings] Friends can arrange small group meetups together and chat in a shared room before meeting. [Profile] Share your interests, values, and a favorite song, so friends can introduce you thoughtfully. [Safety] โข Introductions always go through a mutual friend and require both people to agree โข Report and block from any profile, chat, post, or comment โข Users must be 19 or older Sometimes the people who know us best make the most meaningful introductions. NINIGU โ introductions from people you trust.
Screenshots
Verdict
The clearest difference is ads: Synchronism at none against NINIGU's shown. Synchronism also leads on update cadence (every 2 days vs every 10 days) and iOS requirement (18.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Synchronism ships an update every 2 days, NINIGU every 10 days. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.
| Parameter | Synchronism | NINIGU |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days โ better | Every 10 days |
| Ads | No โ better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad โ better | iPhone |
| Requires iOS | 18.0 โ better | 26.0 |
| Further details โ not scored | ||
| Size | 120 MB | 82 MB |
| Age rating | 4+ | 17+ |
| Developer | ooo.engineering Inc. | yunjin han |
In-app purchases
Synchronism
No in-app purchases
NINIGU
No in-app purchases









