# Zавтра vs UPENERGY

The clearest difference is review sentiment: UPENERGY at 100% against Zавтра's 40%. UPENERGY also leads on update cadence (every 4 weeks vs every 2 months). Zавтра's advantage is device support (3 vs 1) and iOS requirement (8.0 vs 16.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Zавтра ships an update every 2 months, UPENERGY every 4 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Zавтра | UPENERGY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/upenergy/id6751304259/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 14 MB | 153 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Арсений Заляев](https://appshunter.io/developer/650553155) | [Shishelyakin Nickolay Evgenevich, IP](https://appshunter.io/developer/1834549668) |

## What reviewers say

### Zавтра

[App page](https://appshunter.io/ios/app/z/id1190127853)

Discover unique events like concerts, exhibitions, workshops, and lectures in various Russian cities. Get offline access to event information and receive timely reminders so you never miss out on special happenings.

**Highlights:** Unique event listings, Offline event information, Event reminders, Multiple Russian cities supported, Regular city updates

**Features:** macOS Compatibility

**In-app purchases:** none


### UPENERGY

[App page](https://appshunter.io/ios/app/upenergy/id6751304259)

Rent a portable charger in just a few clicks. This service allows you to pick up and return power banks at convenient locations, equipped with popular charging cables. It's designed for on-the-go power needs.

**Highlights:** Rent power banks easily, Pick up and return anywhere, Includes 3 popular cable types, Stations in malls, cafes, and transport hubs, Simple registration and usage

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Zавтра free?

Zавтра is free to download, with no in-app purchases.

### Is UPENERGY free?

UPENERGY is free to download, with no in-app purchases.

### Do Zавтра or UPENERGY have ads?

Neither Zавтра nor UPENERGY shows ads.

### Which is updated more often, Zавтра or UPENERGY?

Zавтра ships an update every 2 months, and UPENERGY every 4 weeks. Most recently, Zавтра was updated on November 2, 2026 and UPENERGY on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*