# Птицы зимой vs Singularity Hub

The clearest difference is iOS requirement: Птицы зимой at 9.1 against Singularity Hub's 16.0. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 4 weeks. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Птицы зимой | Singularity Hub |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | Every 4 weeks |
| Monetization | — | Free |
| Size | 29 MB | 48 MB |
| Requires iOS | **9.1** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ecosystema](https://appshunter.io/developer/432942568) | [AGATON LIMITED](https://appshunter.io/developer/1602348451) |

## What reviewers say

### Птицы зимой

[App page](https://appshunter.io/ios/app/id1446212391)

**Features:** macOS Compatibility

**In-app purchases:** none


### Singularity Hub

[App page](https://appshunter.io/ios/app/singularity-hub/id6479359462)

Enhance your English skills with personalized word study and spaced repetition. This app uses modern algorithms and interactive lessons to help you memorize vocabulary effectively and become a confident speaker.

**Highlights:** Personalized word study, Spaced repetition algorithm, Interactive lessons, Vocabulary expansion, Anytime access

**In-app purchases:** none


## Frequently asked questions

### Is Птицы зимой free?

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

### Is Singularity Hub free?

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

### Do Птицы зимой or Singularity Hub have ads?

Neither Птицы зимой nor Singularity Hub shows ads.

### Which is updated more often, Птицы зимой or Singularity Hub?

Птицы зимой ships an update every 4 weeks, and Singularity Hub every 4 weeks. Most recently, Птицы зимой was updated on October 10, 2026 and Singularity Hub on October 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.*