OG1.Chat vs PreventAge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OG1.Chat
A communication platform designed for students, parents, teachers, and curators of "Online Gymnasium No. 1". Facilitates interaction within the educational community.
- Student communication
- Parent-teacher interaction
- Teacher-curator messaging
- Educational community platform
- Secure messaging
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Чат для учеников, родителей, учителей и кураторов "Онлайн Гимназии №1"
PreventAge
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PreventAge — приложение для персональной коммуникации с командой PreventAge. В приложении пользователи могут получать сообщения от специалистов, задавать вопросы в чатах, просматривать историю переписки и обмениваться файлами или изображениями. Это помогает держать важную информацию, рекомендации и коммуникацию с командой PreventAge в одном удобном месте. Приложение предназначено для пользователей сервиса PreventAge.
Screenshots
Verdict
OG1.Chat and PreventAge are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OG1.Chat ships an update every 2 weeks, PreventAge every 11 days. The most recent releases landed on November 14, 2026 and November 13, 2026 respectively.
| Parameter | OG1.Chat | PreventAge |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 weeks | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 30 MB | 36 MB |
| Age rating | 4+ | 12+ |
| Developer | Онлайн Гимназия №1 | PreventAge |
Customer experience
OG1.Chat
PreventAge
In-app purchases
OG1.Chat
No in-app purchases
PreventAge
No in-app purchases









