# 1Sim Assist vs MindOne

The clearest difference is rating: MindOne at 5.0 against 1Sim Assist's 1.0. MindOne also leads on update cadence (every 9 days vs every 5 weeks). 1Sim Assist's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 16.4). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. MindOne sells 1 in-app purchase, starting at $9.99 per month. 1Sim Assist asks for nothing beyond the download.

MindOne holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

1Sim Assist ships an update every 5 weeks, MindOne every 9 days. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 1Sim Assist | MindOne |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/1sim-assist/id862469463/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mindone/id6449602638/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | **Free** | Freemium |
| Size | 17 MB | 113 MB |
| Requires iOS | **8.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Belmont Telecom, Inc.](https://appshunter.io/developer/510353132) | [BitRaptors Informatikai KFT](https://appshunter.io/developer/1504702203) |

## What reviewers say

### 1Sim Assist

[App page](https://appshunter.io/ios/app/1sim-assist/id862469463)

This app helps international travelers make mobile calls while roaming. It automatically corrects misdialed numbers by adding international prefixes and country codes, and managing leading zeros. This reduces billing errors and user frustration.

**Highlights:** Automatic number correction, Adds international prefixes, Adds country codes, Manages leading zeros, Works with any SIM card

**Features:** macOS Compatibility

**In-app purchases:** none


### MindOne

[App page](https://appshunter.io/ios/app/mindone/id6449602638)

Preview and test mobile applications you've built on a powerful, intuitive platform. This companion app allows for real-time testing and refinement of your projects directly on your mobile device, ensuring a seamless user experience before launch.

**Highlights:** Seamless companion experience, Real-time testing and updates, User-friendly interface, Preview app creations on mobile, Refine project design and functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Access | $9.99 | per month |


## Frequently asked questions

### Is 1Sim Assist free?

1Sim Assist is free to download, with no in-app purchases.

### Is MindOne free?

MindOne is free to download, with in-app purchases available.

### Which has better reviews, 1Sim Assist or MindOne?

MindOne is rated higher. 1Sim Assist averages 1.0 out of 5 from 1 ratings, while MindOne averages 5.0 from 1 ratings.

### Do 1Sim Assist or MindOne have ads?

Neither 1Sim Assist nor MindOne shows ads.

### Which is updated more often, 1Sim Assist or MindOne?

1Sim Assist ships an update every 5 weeks, and MindOne every 9 days. Most recently, 1Sim Assist was updated on October 11, 2026 and MindOne on October 2, 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.*