# Сумма Технологий vs VOLT

The clearest difference is review sentiment: VOLT at 88% against Сумма Технологий's 33%. VOLT also leads on rating (5.0 vs 1.0) and update cadence (weekly vs monthly). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

VOLT holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 33% of Сумма Технологий's written reviews are positive against 88% of VOLT's.

Сумма Технологий ships an update monthly, VOLT weekly. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Сумма Технологий | VOLT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/id1465242934/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/volt-ev/id6782355996/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 33.3% of reviews | **87.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | Free |
| Size | 36 MB | 113 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alexander NEKLIUDOV](https://appshunter.io/developer/1595543207) | [VOLT, OOO](https://appshunter.io/developer/6782355998) |

## What reviewers say

### Сумма Технологий

[App page](https://appshunter.io/ios/app/id1465242934)

Manage your utility services with this app. Track your usage, submit meter readings, and stay informed about important housing and communal services news. It also offers a "Home Master" service.

**Highlights:** Manage utility services, Submit meter readings, Independent usage tracking, Home Master service, Housing news updates

**Features:** macOS Compatibility

**In-app purchases:** none


### VOLT

[App page](https://appshunter.io/ios/app/volt-ev/id6782355996)

Find and manage electric vehicle charging sessions. Locate stations, view connector details, and control charging with flexible tariffs and session limits. Track charging analytics and receive important notifications.

**Highlights:** Find EV charging stations on map, View station and connector details, Manage charging sessions with limits, Flexible tariff options, Charging session analytics, Vehicle profile management, Station connector booking and notifications

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

**In-app purchases:** none


## Frequently asked questions

### Is Сумма Технологий free?

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

### Is VOLT free?

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

### Which has better reviews, Сумма Технологий or VOLT?

VOLT is rated higher. Сумма Технологий averages 1.0 out of 5 from 1 ratings, while VOLT averages 5.0 from 1 ratings.

### Do Сумма Технологий or VOLT have ads?

Neither Сумма Технологий nor VOLT shows ads.

### Which is updated more often, Сумма Технологий or VOLT?

Сумма Технологий ships an update monthly, and VOLT weekly. Most recently, Сумма Технологий was updated on October 16, 2026 and VOLT on October 19, 2026.

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