# Theta Sync vs Ember

The clearest difference is update cadence: Ember at weekly against Theta Sync's every 2 weeks. Theta Sync's advantage is iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Theta Sync sells 2 in-app purchases, starting at $14.99 per month and Ember sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Theta Sync ships an update every 2 weeks, Ember weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Theta Sync | Ember |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ember-ai-dream-journal/id6760724180/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Freemium |
| Size | 53 MB | 161 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Abel Altaye](https://appshunter.io/developer/1873575365) | [JEREMIE ROY](https://appshunter.io/developer/1885918358) |

## What reviewers say

### Theta Sync

[App page](https://appshunter.io/ios/app/theta-sync/id6758551209)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $14.99 | per month |
| ThetaSync Yearly Premium | $99.99 | per year |


### Ember

[App page](https://appshunter.io/ios/app/ember-ai-dream-journal/id6760724180)

Record your dreams through voice or text upon waking. This app transforms your memories into illustrated cards, offering insights into symbols and patterns. It also provides educational courses and optional social sharing for a deeper understanding of your unconscious.

**Highlights:** Voice and text dream recording, AI-generated dream illustrations, Symbol and archetype analysis, Recurring dream pattern detection, Dream recall and interpretation courses, Optional private dream sharing with friends

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ember Premium Monthly | $3.99 | per month |
| Ember Premium Yearly | $24.99 | per year |
| Ember Premium Yearly | $24.99 | per year |


## Frequently asked questions

### Is Theta Sync free?

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

### Is Ember free?

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

### Do Theta Sync or Ember have ads?

Neither Theta Sync nor Ember shows ads.

### Which is updated more often, Theta Sync or Ember?

Theta Sync ships an update every 2 weeks, and Ember weekly. Most recently, Theta Sync was updated on October 24, 2026 and Ember on October 25, 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.*