# Singularity Hub vs Ember

The clearest difference is in-app purchases: Singularity Hub at none against Ember's 1. Singularity Hub also leads on iOS requirement (16.0 vs 18.6). Ember's advantage is device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. Ember sells 1 in-app purchase, starting at $29.99 per year. Singularity Hub asks for nothing beyond the download.

Singularity Hub ships an update every 4 weeks, Ember fortnightly. The most recent releases landed on September 10, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Singularity Hub | Ember |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 48 MB | 12 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [AGATON LIMITED](https://appshunter.io/developer/1602348451) | [Alexei Vinidiktov](https://appshunter.io/developer/632981400) |

## What reviewers say

### 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


### Ember

[App page](https://appshunter.io/ios/app/ember-read-and-learn-languages/id6759223533)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ember Reader Premium | $29.99 | per year |


## Frequently asked questions

### Is Singularity Hub free?

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

### Is Ember free?

Ember is free to download, with in-app purchases available.

### Do Singularity Hub or Ember have ads?

Neither Singularity Hub nor Ember shows ads.

### Which is updated more often, Singularity Hub or Ember?

Singularity Hub ships an update every 4 weeks, and Ember fortnightly. Most recently, Singularity Hub was updated on September 10, 2026 and Ember on September 12, 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.*