21 Век vs Свет Онлайн.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
21 Век
This app allows users to purchase fuel and goods from a gas station network at a discount. It offers features like pre-paying for fuel, transferring fuel to others, and tracking transaction history. Users can also stay informed about promotions and receive personalized offers.
- Pre-purchase fuel at a discount
- Pay for fuel without cashier
- Transfer fuel to other users
- Convert fuel types
- Track transaction history
- Discover promotions and offers
Read full descriptionHide full description
Официальное мобильное приложение сети АЗС "Азерпетрол". "Азерпетрол" – это мобильное приложение, с которым вы можете выгодно покупать топливо и товары в сети автозаправочных станций Азерпетрол. Полезный функционал позволяет: - заправлять автомобиль без необходимости оплаты на кассе; - покупать топливо со скидкой заранее; - оплачивать счетом Азерпетрол на кассах и кассах самообслуживания; - переводить топливо другим пользователям; - конвертировать купленное топливо из одного вида в другой; - отслеживать историю транзакций; - узнавать о выгодных акциях и получать персональные предложения; Скачивайте приложение "Азерпетрол", заправляйтесь в сети АЗС "Азерпетрол" и получайте бонусы.
Свет Онлайн.
Manage your utility account for individuals in Karachay-Cherkessia and Kabardino-Balkaria. Access all features of the web portal, including viewing account data, submitting meter readings, and making payments.
- Login and registration
- Password change
- View account data and balance
- Submit meter readings
- Pay for services
- Check charges and payments
- View monthly bills
Read full descriptionHide full description
Мобильное приложение «Свет онлайн» - данное приложение было разработано, для удобства использования личного кабинета абонентов физических лиц Карачаево-Черкесии, Кабардино-Балкарии. Если у абонента имеется доступ на WEB-страничку ЛК, а так же логин и пароль для входа, он может использовать наше приложение на своем телефоне, скачав его из доступных источников. В нашем приложении, доступны все функции WEB-версии личного кабинета, а именно: - Регистрация или вход по логину и паролю; - Изменение текущего пароля; - Возможность просмотреть общие данные и баланс счета; - Возможность передачи показаний по счетчикам или просмотреть переданные ранее показания; - Оплата за услуги; - Проверить начисления и платежи; - Просмотреть квитанции на текущий месяц;
Screenshots
Verdict
The clearest difference is review sentiment: 21 Век at 75% against Свет Онлайн.'s 5%. 21 Век also leads on rating (4.4 vs 1.0). Свет Онлайн.'s advantage is update cadence (fortnightly vs every 2 months). On price, ratings volume, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
21 Век holds the better App Store score, 4.4 against 1.0. Both are backed by a comparable volume of ratings — 7 and 9 respectively. Written reviews point the same way: 75% of 21 Век's written reviews are positive against 5% of Свет Онлайн.'s.
21 Век ships an update every 2 months, Свет Онлайн. fortnightly. The most recent releases landed on September 20, 2026 and September 21, 2026 respectively.
| Parameter | 21 Век | Свет Онлайн. |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (7 ratings) — better | 1.0 (9 ratings) |
| Positive reviews | 75.0% of reviews — better | 4.8% of reviews |
| Number of ratings | 7 | 9 — better |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Albert Mamaliev | ООО "Стек-ИТ" |
Customer experience
21 Век
Свет Онлайн.
Bugs and requests
21 Век
Not enough reviews yet to summarise bugs or requests.
Свет Онлайн.
Reported bugs
44 issues- Application does not work
- Application constantly shows errors
- Cannot transfer meter readings and pay bills
- Payment receipts do not arrive
- Cannot download receipts or bills from the app
Show 39 moreShow fewer
- Application freezes
- No connection and service error on login
- Application does not load
- Cannot link personal account
- Incorrect data display (e.g., consumption)
- FAQ section provides irrelevant answers
- No proper billing system
- Application requires re-login frequently
- Network errors during data entry
- Incorrectly credits payments (ODN and PENI)
- Application is slow and unresponsive
- Server errors
- Unknown error when entering personal account number
- Cannot make payments for months
- Cannot submit appeals
- Does not register two personal accounts
- Personal account not displayed on the receipt
- Sums are unclear and do not update after payment
- Cannot bind personal account
- Payment issues after update
- Application does not load after update
- Application freezes on splash screen
- Cannot view charges or amounts
- Cannot bind personal account, requires 'note'
- Payment amount differs from charged amount
- Application requires re-attaching personal account and annual payment after updates
- Cannot transfer meter readings
- Cannot bind personal account, requires all fields to be filled, including 'note'
- Payment via SBP debited but not reflected in app
- Cannot send appeals, server timeout error
- Cannot make online payments after last update
- Application crashes frequently
- Cannot enter meter readings
- Cannot add a second personal account
- Cannot add multiple personal accounts
- Cannot bind personal account, shows error
- Cannot bind personal account
- Cannot bind account
- Error when trying to log in: 'Error_String.HTTP_Error_Messages.429'
Requested features
9 requests- Improve application stability and performance
- Fix issues with personal account binding
- Ensure correct payment processing and confirmation
- Improve user interface and navigation
- Add support for SBP payments
Show 4 moreShow fewer
- Provide clear billing information and history
- Enable submission of support requests
- Allow registration of multiple personal accounts
- Make the app more user-friendly and intuitive
In-app purchases
21 Век
No in-app purchases
Свет Онлайн.
No in-app purchases





