# 33eSIM vs RedSim

The clearest difference is ads: 33eSIM at none against RedSim's shown. 33eSIM also leads on iOS requirement (13.0 vs 15.0). RedSim's advantage is update cadence (every 5 days vs monthly). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

33eSIM ships an update monthly, RedSim every 5 days. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 33eSIM | RedSim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/redsim-travel-esim-data-plans/id6775845893/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 100 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HK GOOD SPEED LIMITED](https://appshunter.io/developer/1886366534) | [Forceplay](https://appshunter.io/developer/1896297442) |

## What reviewers say

### 33eSIM

[App page](https://appshunter.io/ios/app/33esim/id6760813349)

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

**In-app purchases:** none


### RedSim

[App page](https://appshunter.io/ios/app/redsim-travel-esim-data-plans/id6775845893)

Get local eSIM data plans for international travel without expensive carrier roaming fees. Install a digital SIM card in minutes before your trip to stay connected instantly upon arrival in over 200 countries. Enjoy flexible plans and 24/7 multilingual support.

**Highlights:** Local eSIM data plans, Over 200 countries supported, Prepaid data plans, Install before travel, Dual SIM compatible, Mobile hotspot included, 24/7 multilingual support

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

**In-app purchases:** none


## Frequently asked questions

### Is 33eSIM free?

33eSIM is free to download, with no in-app purchases.

### Is RedSim free?

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

### Do 33eSIM or RedSim have ads?

RedSim shows ads; 33eSIM does not.

### Which is updated more often, 33eSIM or RedSim?

33eSIM ships an update monthly, and RedSim every 5 days. Most recently, 33eSIM was updated on October 25, 2026 and RedSim on October 17, 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.*