# а vs OSS

The clearest difference is update cadence: OSS at every 4 days against а's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

а ships an update every 3 months, OSS every 4 days. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | а | OSS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 9 MB | 24 MB |
| Requires iOS | 13.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [A-Mobile SP OOO](https://appshunter.io/developer/1328426694) | [Armen Oganesian](https://appshunter.io/developer/1893649373) |

## What reviewers say

### а

[App page](https://appshunter.io/ios/app/id1484079208)

Manage your personal account directly from your smartphone. Check your balance, view expenses, top up your account online, and manage your tariff. Get quick support through the in-app chat.

**Highlights:** Check account balance, View expenses, Top up account online, Manage tariff, View bonus discount information, In-app chat support

**Features:** macOS Compatibility

**In-app purchases:** none


### OSS

[App page](https://appshunter.io/ios/app/oss/id6762284333)

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

**In-app purchases:** none


## Frequently asked questions

### Is а free?

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

### Is OSS free?

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

### Do а or OSS have ads?

Neither а nor OSS shows ads.

### Which is updated more often, а or OSS?

а ships an update every 3 months, and OSS every 4 days. Most recently, а was updated on October 24, 2026 and OSS on October 17, 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.*