# TelegramMessenger/Telegram-iOS

Telegram-iOS

Repository: https://github.com/TelegramMessenger/Telegram-iOS
Canonical: https://ross.abutalabs.com/products/telegram-ios
Language: Swift
License Family: other
Last push: 2026-07-21T04:34:53+00:00

## Health v2 (maintenance only)
Score: 65/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 93, release rhythm 8, longevity 100
- inputs: {"age_days": 2849, "days_push": 43, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 8895, forks 2840 (observed 2026-08-28T04:10:26.188201+00:00)

## What it is
The official open-source source code of the Telegram messaging client for iOS, written in Swift. It allows developers to compile, study, and build their own unofficial Telegram clients for iPhone and iPad.

## Use cases
- build a custom Telegram client for iOS
- study how a large-scale Swift messaging app is architected
- compile Telegram from source with custom branding
- contribute to the official Telegram iOS app
- create an unofficial Telegram fork for iOS

## When to choose
- you want to build or fork a Telegram client for iOS
- you need a reference for large-scale Swift/Bazel iOS app architecture
- you want to audit the Telegram iOS client source code

## When to avoid
- you need a Telegram client for Android, desktop, or web
- you want a library or SDK to embed Telegram messaging into your own app rather than a full client
- you cannot comply with Telegram's API terms such as obtaining your own api_id and publishing your source

## Facets
- artifact type: application
- maturity: active
- function: chatbot, cryptography, file-upload, gui, sdk
- domain: messaging-platforms, privacy, cross-platform, mobile-development
- platform: -
- tags: telegram-client, messenger, mtproto, open-source-client, instant-messaging, ios, swift, mobile

## Member repositories
- TelegramMessenger/Telegram-iOS (main) score 65

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:10:26.188201+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T17:24:43.839537+00:00, confidence not recorded.
  - readme: https://github.com/TelegramMessenger/Telegram-iOS (fetched 2026-08-28T04:10:26.188201+00:00, sha 1f191f639220)
- Data as of 2026-08-30T08:39:29.467469+00:00.