Fast Energy ! vs Josti
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fast Energy !
Rent a portable power bank from stations worldwide to charge your devices on the go. Locate stations on a map, scan a QR code to rent, and return it at any station globally. Earn bonuses and benefit from a loyalty program.
- Find rental stations on map
- Get directions to stations
- Scan QR code to rent
- Bonuses and loyalty program
- Return power bank anywhere
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Fast Energy - international power bank sharing! Using Fast Energy App: 1. Find rental stations on the map 2. Get directions to the stations 3. Scan the QR code on the station and rent a power bank 4. Get bonuses and use the loyalty program 5. Return powerbank anywhere in the world Our website: www.fastenergy.world
Josti
Find and rent long-term housing without realtor fees. Browse verified apartments, book viewings easily, and enjoy exclusive discounts. Secure your next home with a simple, user-friendly interface.
- No realtor commission
- Verified apartment listings
- Simple and convenient interface
- Promocodes and discounts
- Book viewings in-app
- Owner contact saving
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Josti - це додаток для довгострокової оренди житла БЕЗ Комісії ріелтора. Завантажуй додаток Josti, щоб обрати та орендувати об'єкти за вигідними умовами! Бронюй перегляд вже сьогодні та не переплачуй ріелторам! Переваги для гостей: - Відсутність комісії ріелторів. - Переглядай тільки актуальні квартири які ми вже перевірили для тебе. - Зручний та простий інтерфейс додатку. - Користуйся промокодами та знижками при бронюванні житла. - Бронюй перегляд житла в додатку за декілька кліків. Як це працює: - Авторизуйтесь у додаток. - Оберіть місто Київ або Львів. - Шукайте житло за допомогою зручного інтерфейсу та фільтруйте згідно ваших побажань. - Обирайте бажаний варіант. - Бронюйте перегляд житла, сплативши у додатку за перегляд (до 4% від вартості квартири). - Контакти власника будуть збережені на головній сторінці у додатку - Прямуй на перегляд, а ми бажаємо вдалих тобі переглядів!
Screenshots
Verdict
The clearest difference is rating: Josti at 5.0 against Fast Energy !'s 4.4. Josti also leads on update cadence (every 9 days vs every 5 weeks). Fast Energy !'s advantage is monetization model (ad-supported vs free with in-app purchases) and ratings volume (12 vs 2). 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.
Josti holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Fast Energy ! has 12 ratings behind it against 2, so its average is the more settled of the two.
Fast Energy ! ships an update every 5 weeks, Josti every 9 days. The most recent releases landed on July 3, 2026 and September 21, 2026 respectively.
| Parameter | Fast Energy ! | Josti |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (12 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 76.3% of reviews | — |
| Number of ratings | 12 — better | 2 |
| Update frequency | Every 5 weeks | Every 9 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 91 MB | 43 MB |
| Age rating | 4+ | 17+ |
| Developer | CHAINA TEKHNOLODZHYS, TOV | Kuzma Vladyslav |
Customer experience
Fast Energy !
Josti
Bugs and requests
Fast Energy !
Reported bugs
8 issues- SMS confirmation not received
- App does not work for registration
- Submit button not working
- Cannot link some bank cards
- Unable to make payment through Apple Pay
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- Power bank connection issues
- Cannot find power bank in app after unblocking
- App deducts money without usage
Requested features
2 requests- Add Apple Pay support
- Implement wireless chargers
Josti
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Fast Energy !
No in-app purchases
Josti
No in-app purchases
