Comparison

E vs eResidency

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

Head to head
About

E

This app provides a secure and convenient authentication system. It uses a challenge-response model where your secret access key is stored on your mobile phone, eliminating the need for complex passwords and protecting against malware. Authorization is a simple process of entering a challenge value and receiving a number-answer.

Highlights
  • High-level security authentication
  • Secret access key stored on mobile
  • Challenge-response authorization
  • No complex passwords needed
  • Malware protection for access key
  • Efficient and economical system
Features
Read full description

1. About E-num -------------- E-num is an up-to-date system of authentication providing high-level security. Security is based on both cryptographic tools and architectural level. A secret access key is stored not on your computer but on your mobile phone. Thus, you can use it to work on different computers. Moreover, your key cannot be damaged or modified by Trojan Hourses and other harmful programs. 2. Authorization process --------------------- E-num is easy to use: there is no need to memorize complicated passwords. The authorization process is based on the challenge-response model. Authorization process by using E-NUM is very simple: on the authorization page the user enters his email and received a Challenge Value. Users launches the E-num application on the mobile phone and enters the Challenge Value. After that a number-answer will be shown on the phone display. User enters the number-answer in the authorization field on the website and gets access to secured sections. 3. Advantages ------------ The key advantage of E-NUM if compared with its analogs is efficiency and economy for both suppliers and consumers. No additional authorizing server is required to implement the E-NUM authorization system on a website of an Internet store, in banking or corporate systems, because all necessary information is stored in the E-NUM database. Data exchange is performed by using E-num interfaces provided by the system via the secure https protocol. Clients use their (Java compatible) mobile phones to get authorized at websites integrated with E-NUM. Users do not need any kind of expensive devices. A unique cipherpad is embedded in the Java application designed for mobile phones.

About

eResidency

This app provides foreigners with a digital status to access banking, investments, business, and digital services in Kazakhstan. It allows for remote account opening, eSIM acquisition, and online business management. The process is entirely online and designed to be hassle-free.

Highlights
  • Digital status for foreigners
  • Remote bank account opening
  • International payment cards
  • eSIM with Kazakh number
  • Online business management
  • Access to digital services
Features
Read full description

eResidency is an official state program of Kazakhstan for foreigners. Get your digital status and access banking, investments, business, and modern digital services. Everything is online and hassle-free. With eResidency you can: • Open bank accounts remotely and use international payment cards with Google Pay and SEPA transfers • Get an eSIM with a Kazakh phone number • Pass verification on financial platforms and crypto exchanges quickly • Invest in global companies and a wide range of assets • Start and manage a business online • Access a growing ecosystem of digital services eResidency is simple: • Download the app, complete online verification, and receive your Digital Identity Card • Then use it to access banks, exchanges, and other services in just one click • Everything online and hassle-free This is an official and secure program that connects you with Kazakhstan’s opportunities from anywhere in the world.

Screenshots

E4 screens
eResidency3 screens

Verdict

The call

The clearest difference is review sentiment: E at 100% against eResidency's 27%. E also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.6). On price, update cadence, ads and in-app purchases 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.

UpkeepUpdate frequency

E ships an update fortnightly, eResidency every 3 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
E versus eResidency: the parameters behind the verdict, then further details
ParameterEeResidency
PriceFreeFree
Rating—2.0 (23 ratings) — better
Positive reviews100.0% of reviews — better27.0% of reviews
Number of ratings—23 — better
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better16.6
Further details — not scored
Size38 MB117 MB
Age rating4+4+
DeveloperVEBMANI.RU, OOOVERUM PAYMENTS LIMITED, CHK

Customer experience

E

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

eResidency

All ratings18 ratings
Positive27.8%
Neutral5.6%
Negative66.7%
Written reviews63 reviews
Positive27.0%
Neutral6.3%
Negative66.7%

In-app purchases

None

E

No in-app purchases

None

eResidency

No in-app purchases

Questions

Is E free?
E is free to download, with no in-app purchases.
Is eResidency free?
eResidency is free to download, with no in-app purchases.
Do E or eResidency have ads?
Neither E nor eResidency shows ads.
Which is updated more often, E or eResidency?
E ships an update fortnightly, and eResidency every 3 weeks. Most recently, E was updated on November 4, 2026 and eResidency on November 5, 2026.

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