# OG1.Chat vs PreventAge

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.

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.

## The numbers

| Metric | OG1.Chat | PreventAge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/og1chat/id6472879732/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 11 days** |
| Monetization | Free | — |
| Size | 30 MB | 36 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Онлайн Гимназия №1](https://appshunter.io/developer/1662050338) | [PreventAge](https://appshunter.io/developer/1895339968) |

## What reviewers say

### OG1.Chat

[App page](https://appshunter.io/ios/app/og1chat/id6472879732)

A communication platform designed for students, parents, teachers, and curators of "Online Gymnasium No. 1". Facilitates interaction within the educational community.

**Highlights:** Student communication, Parent-teacher interaction, Teacher-curator messaging, Educational community platform, Secure messaging

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

**In-app purchases:** none


### PreventAge

[App page](https://appshunter.io/ios/app/preventage/id6763492388)

**In-app purchases:** none


## Frequently asked questions

### Is OG1.Chat free?

OG1.Chat is free to download, with no in-app purchases.

### Is PreventAge free?

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

### Do OG1.Chat or PreventAge have ads?

Neither OG1.Chat nor PreventAge shows ads.

### Which is updated more often, OG1.Chat or PreventAge?

OG1.Chat ships an update every 2 weeks, and PreventAge every 11 days. Most recently, OG1.Chat was updated on November 14, 2026 and PreventAge on November 13, 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.*