eSIMTools vs OESIM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
eSIMTools
This utility app allows users to manage eSIM profiles on compatible devices. It provides tools for reading card information, inspecting installed profiles, and provisioning new profiles from activation codes to writable SIM modules.
- Read eUICC card information and EID
- View installed profiles and status
- Scan or manually enter eSIM activation codes
- Download carrier profiles
- Write profiles to eUICC/SIM modules
- Connect via USB CCID readers or Bluetooth modules
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eSIMTools is an eSIM-to-SIM toolkit for working with supported programmable eUICC and SIM modules. It helps developers, testers, integrators, and connectivity teams read card information, inspect installed profiles, and manage the path from an eSIM activation code to a writable SIM-style module. Use eSIMTools to read EID and eUICC details, view installed profiles, scan or manually enter eSIM activation codes, download carrier profiles, and write compatible profiles to supported eUICC cards. The app is designed for controlled eSIM provisioning workflows where visibility, repeatability, and clear reader status matter. Key capabilities: - Read eUICC card information and EID - View installed profiles and profile status - Scan QR activation codes or enter activation codes manually - Download carrier profiles through the LPA workflow - Write profiles to supported eUICC/SIM modules - Connect through compatible USB CCID readers - Connect to supported Bluetooth eSIM modules - Review storage and profile diagnostics before installation - Manage installed profiles from a clear profile console eSIMTools focuses on practical eSIM-to-SIM testing and provisioning. It is not a carrier service and does not provide mobile plans. Profile download and installation require a valid activation code, network access, and compatible reader or module hardware.
OESIM
This utility app allows users to securely manage eSIM profiles using a compatible Bluetooth card reader. It facilitates the activation, downloading, and organization of multiple eSIMs for streamlined service control on supported devices.
- eSIM profile management
- Bluetooth card reader integration
- Secure eSIM activation
- Download eSIMs
- Organize multiple eSIMs
- Streamlined service control
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The OESIM is a robust utility designed to manage eSIM profiles via a compatible Bluetooth card reader. Offering secure and streamlined operations, the app supports activating, downloading and organizing multiple eSIMs on compatible devices, helping you easily control your eSIM services with safety and convenience.
Screenshots
Verdict
The clearest difference is update cadence: eSIMTools at every 4 days against OESIM's every 11 days. On price, rating, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 — 5.0 for eSIMTools against 5.0 for OESIM. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
eSIMTools ships an update every 4 days, OESIM every 11 days. Both last shipped on September 24, 2026.
| Parameter | eSIMTools | OESIM |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 4 days — better | Every 11 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, Mac | iPhone, iPad |
| Requires iOS | 16.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 14 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Mocbase LLC | OESIM TECHNOLOGY CO., LIMITED |
Customer experience
eSIMTools
OESIM
In-app purchases
eSIMTools
No in-app purchases
OESIM
No in-app purchases








