# One Sim vs Pika eSIM

The clearest difference is ads: One Sim at none against Pika eSIM's shown. Pika eSIM's advantage is review sentiment (100% vs 77%) and device support (3 vs 1). On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for One Sim against 4.9 for Pika eSIM. Both are backed by a comparable volume of ratings — 10 and 9 respectively. Written reviews are what separate them: 77% of One Sim's written reviews are positive against 100% of Pika eSIM's.

One Sim ships an update weekly, Pika eSIM fortnightly. The most recent releases landed on October 18, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | One Sim | Pika eSIM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (10 ratings)](https://appshunter.io/ios/app/one-sim/id6748266546/reviews) | [4.9 (9 ratings)](https://appshunter.io/ios/app/pika-esim/id6756550449/reviews) |
| Number of ratings | **10** | 9 |
| Positive reviews | 76.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free | Free |
| Size | 73 MB | 63 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Horizon Digital Ventures L.L.C.](https://appshunter.io/developer/1824892852) | [Vlera Zhubi](https://appshunter.io/developer/1861336593) |

## What reviewers say

### 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


### Pika eSIM

[App page](https://appshunter.io/ios/app/pika-esim/id6756550449)

Get fast, reliable mobile data in over 190 countries without physical SIM cards or roaming fees. Purchase and activate plans digitally in minutes for seamless global connectivity.

**Highlights:** Global coverage in 190+ countries, Instant digital eSIM activation, Cost-effective prepaid data plans, Simple in-app data plan management, Secure and reliable network connections

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

**In-app purchases:** none


## Frequently asked questions

### Is One Sim free?

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

### Is Pika eSIM free?

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

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

One Sim and Pika eSIM are both rated 4.9 out of 5 on the App Store, from 10 and 9 ratings respectively.

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

Pika eSIM shows ads; One Sim does not.

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

One Sim ships an update weekly, and Pika eSIM fortnightly. Most recently, One Sim was updated on October 18, 2026 and Pika eSIM 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.*