# NEWTONE vs Sobri

The clearest difference is update cadence: Sobri at every 5 weeks against NEWTONE's every 8 months. NEWTONE's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 16.0). On price, 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.

NEWTONE ships an update every 8 months, Sobri every 5 weeks. The most recent releases landed on September 11, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | NEWTONE | Sobri |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 weeks** |
| Size | 102 MB | 73 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gennady Akimov](https://appshunter.io/developer/1549681611) | [Abylgaziev Aidarbek Azimbaevich, IP](https://appshunter.io/developer/1694459094) |

## What reviewers say

### NEWTONE

[App page](https://appshunter.io/ios/app/newtone/id1549681609)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sobri

[App page](https://appshunter.io/ios/app/sobri/id6553973566)

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

**In-app purchases:** none


## Frequently asked questions

### Is NEWTONE free?

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

### Is Sobri free?

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

### Do NEWTONE or Sobri have ads?

Neither NEWTONE nor Sobri shows ads.

### Which is updated more often, NEWTONE or Sobri?

NEWTONE ships an update every 8 months, and Sobri every 5 weeks. Most recently, NEWTONE was updated on September 11, 2026 and Sobri on September 14, 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.*