Comparison

eSIMTools vs OESIM

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Read full description

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.

About

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.

Highlights
  • eSIM profile management
  • Bluetooth card reader integration
  • Secure eSIM activation
  • Download eSIMs
  • Organize multiple eSIMs
  • Streamlined service control
Features
Read full description

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

eSIMTools4 screens
OESIM4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

eSIMTools ships an update every 4 days, OESIM every 11 days. Both last shipped on September 24, 2026.

Scorecard1 real difference · 9 level
eSIMTools versus OESIM: the parameters behind the verdict, then further details
ParametereSIMToolsOESIM
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings2 — better1
Update frequencyEvery 4 days — betterEvery 11 days
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, MaciPhone, iPad
Requires iOS16.0 — better16.6
Further details — not scored
Size14 MB10 MB
Age rating4+4+
DeveloperMocbase LLCOESIM TECHNOLOGY CO., LIMITED

Customer experience

eSIMTools

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

OESIM

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

eSIMTools

No in-app purchases

None

OESIM

No in-app purchases

Questions

Is eSIMTools free?
eSIMTools is free to download, with no in-app purchases.
Is OESIM free?
OESIM is free to download, with no in-app purchases.
Which has better reviews, eSIMTools or OESIM?
eSIMTools and OESIM are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do eSIMTools or OESIM have ads?
Neither eSIMTools nor OESIM shows ads.
Which is updated more often, eSIMTools or OESIM?
eSIMTools ships an update every 4 days, and OESIM every 11 days. Most recently, eSIMTools was updated on September 24, 2026 and OESIM on September 24, 2026.

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