Key vs eSIM Manager
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Key
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Simply input those key pieces of information and you can very quickly get at them when you need them. Shown in nice big font size so you can reference it as you need. Tapping on an element will copy it to the clipboard so you can paste into another app or web form. You can create items from a list of suggested types but can also choose your own type and image.
eSIM Manager
Manage your wireless device and eSIM packages from various countries. Order and download eSIM plans directly to your device, and easily switch between them. You can also manage traffic packages ordered from other sources.
- Order eSIM packages from multiple countries
- Download eSIM packages to your device
- Manage and switch eSIM packages
- Manage traffic packages ordered elsewhere
- Wireless device management
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This application is a software that integrates the functions of wireless device management and package mall. You can order eSIM packages from multiple countries in the application, or download the ordered packages to the bound device after ordering, and manage/switch the packages in the device. At the same time, you can also download and manage traffic packages ordered elsewhere for your device.
Screenshots
Verdict
The clearest difference is update cadence: eSIM Manager at every 5 weeks against Key's every 21 months. Key's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support 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.
Key ships an update every 21 months, eSIM Manager every 5 weeks. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.
| Parameter | Key | eSIM Manager |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.5 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 21 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 1 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Paul Barnes | shenzhen linksfield IOT Technology Co., Ltd |
In-app purchases
Key
No in-app purchases
eSIM Manager
No in-app purchases
