# TopSIM — International Calling

> International Calling (iPhone/iPad app by TeleFlow.)

- Source: https://appshunter.io/ios/app/topsim/id6748059624 (this page in markdown: same URL + `.md`)
- Developer: [TeleFlow](https://appshunter.io/developer/1824141261)
- Category: Utilities, Social Networking
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 43 MB
- Languages: American English
- Released: 2025-08-07
- Data updated: 2026-08-25
- User reviews in markdown: https://appshunter.io/ios/app/topsim/id6748059624/reviews.md

## What is TopSIM?

Topsim is a part of InTouch Communication Services Limited. Founded in 1998, we have been at the forefront of the telecommunications industry, providing innovative and reliable communication services for over two decades. As a leading telecoms company, we are committed to connecting people and businesses across the globe with our comprehensive range of services. Our portfolio includes telephony solutions, high-speed internet services, and advanced networking options designed to meet the evolving needs of our diverse clientele. Whether you’re a small business looking to expand your reach or a large enterprise in need of robust communication services, we have the expertise and technology to support your goals.


## Version history (last 5 releases)

### 1.16.5 — 2026-08-17

Fixes to the balance display and minutes remaining.

### 1.14.1 — 2026-05-28

Improvements for authentication as well as a layout patch.

### 1.13.2 — 2026-03-09

Fixes for tray padding and sidebar

### 1.13.1 — 2026-02-20

- Updated methods for making calls
- New tab bar design
- More menu items
- Bug fixes

### 1.12.2 — 2025-12-16

Small patches and tweaks for app association

## Apps similar to TopSIM

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [TISA](https://appshunter.io/ios/app/tisa/id6759488678) | 5.0 (1) | Free | Utilities |
| [Bella: International Calling](https://appshunter.io/ios/app/bella-international-calling/id6745226226) | — | Free | Utilities |
| [Dartford Masjid DMIC](https://appshunter.io/ios/app/dartford-masjid-dmic/id6499266518) | — | Free | Utilities |
| [Usb Transfer](https://appshunter.io/ios/app/usb-transfer/id6504265361) | — | Free | Utilities |
| [Daewoo Smart](https://appshunter.io/ios/app/daewoo-smart/id6505145725) | — | Free | Utilities |
| [Smartroam - eSIM Data](https://appshunter.io/ios/app/smartroam-esim-data/id6670542165) | 5.0 (2) | Free | Utilities |

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-25.*