# Kudo eSIM vs One Sim

The clearest difference is rating: One Sim at 4.9 against Kudo eSIM's 4.4. One Sim also leads on update cadence (every 9 days vs monthly). On price, review sentiment, ratings volume and ads there is nothing between them.

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

One Sim holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 13 and 7 respectively. Written reviews complicate that: 75% of Kudo eSIM's written reviews are positive against 69% of One Sim's, so the app with the better star average is not the one people write more warmly about.

Kudo eSIM ships an update monthly, One Sim every 9 days. The most recent releases landed on September 15, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Kudo eSIM | One Sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (13 ratings)](https://appshunter.io/ios/app/kudo-esim/id6569216838/reviews) | **[4.9 (7 ratings)](https://appshunter.io/ios/app/one-sim/id6748266546/reviews)** |
| Number of ratings | **13** | 7 |
| Positive reviews | **75.0% of reviews** | 69.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free | Free |
| Size | 146 MB | 65 MB |
| Requires iOS | 16.0 | **15.4** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Antian Asllani](https://appshunter.io/developer/1758802371) | [Horizon Digital Ventures L.L.C.](https://appshunter.io/developer/1824892852) |

## What reviewers say

### Kudo eSIM

[App page](https://appshunter.io/ios/app/kudo-esim/id6569216838)

Stay connected globally with this app, offering instant internet access in over 200 countries without roaming fees. It allows you to digitally activate an eSIM and connect to local mobile networks upon arrival.

**Highlights:** Global connectivity in 200+ countries, Instant eSIM activation, No roaming fees, Digital SIM technology, Local, regional, and global plans, Fast installation

**In-app purchases:** none


### One Sim

[App page](https://appshunter.io/ios/app/one-sim/id6748266546)

Install your eSIM once and enjoy seamless global connectivity. Purchase data packages for entire regions, eliminating the need for reinstallation or QR codes. Stay online for maps, messaging, and memories with fast 4G/5G data across multiple countries.

**Highlights:** Install eSIM once, Regional data packages, Seamless cross-country coverage, Fast 4G/5G data, No QR codes or reinstallation

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Kudo eSIM free?

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

### Is One Sim free?

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

### Which has better reviews, Kudo eSIM or One Sim?

One Sim is rated higher. Kudo eSIM averages 4.4 out of 5 from 13 ratings, while One Sim averages 4.9 from 7 ratings.

### Do Kudo eSIM or One Sim have ads?

Neither Kudo eSIM nor One Sim shows ads.

### Which is updated more often, Kudo eSIM or One Sim?

Kudo eSIM ships an update monthly, and One Sim every 9 days. Most recently, Kudo eSIM was updated on September 15, 2026 and One Sim on September 23, 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.*