# 1Sim Connect vs Write Message Email Replay

The clearest difference is in-app purchases: 1Sim Connect at none against Write Message Email Replay's 3. 1Sim Connect also leads on ads (none vs shown) and iOS requirement (6.1 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Write Message Email Replay sells 3 in-app purchases, starting at $7.99 per 7 days. 1Sim Connect asks for nothing beyond the download.

1Sim Connect ships an update every 3 months, Write Message Email Replay every 6 weeks. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 1Sim Connect | Write Message Email Replay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/1sim-connect/id680700348/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 15 MB | 45 MB |
| Requires iOS | **6.1** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Belmont Telecom, Inc.](https://appshunter.io/developer/510353132) | [Niraj Mangukiya](https://appshunter.io/developer/1177428911) |

## What reviewers say

### 1Sim Connect

[App page](https://appshunter.io/ios/app/1sim-connect/id680700348)

Make free calls and send free SMS messages to any OneSimCard phone worldwide. Requires a simple activation by the OneSimCard recipient. Enjoy cost-free communication with an internet connection.

**Highlights:** Free calls to OneSimCard phones, Free SMS to OneSimCard phones, Requires internet connection, Activation by recipient needed, Global communication

**Features:** macOS Compatibility

**In-app purchases:** none


### Write Message Email Replay

[App page](https://appshunter.io/ios/app/write-message-email-replay-ai/id6642671401)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI | $7.99 | per 7 days |
| AI | $24.99 | per month |
| AI | $239.99 | one-time |


## Frequently asked questions

### Is 1Sim Connect free?

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

### Is Write Message Email Replay free?

Write Message Email Replay is free to download, with in-app purchases available.

### Do 1Sim Connect or Write Message Email Replay have ads?

Write Message Email Replay shows ads; 1Sim Connect does not.

### Which is updated more often, 1Sim Connect or Write Message Email Replay?

1Sim Connect ships an update every 3 months, and Write Message Email Replay every 6 weeks. Most recently, 1Sim Connect was updated on October 3, 2026 and Write Message Email Replay on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*