# Thoughtstream vs Blaze Calendar

The clearest difference is in-app purchases: Thoughtstream at none against Blaze Calendar's 4. Blaze Calendar's advantage is update cadence (every 5 days vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Blaze Calendar sells 4 in-app purchases, starting at $4.00 per month. Thoughtstream asks for nothing beyond the download.

Thoughtstream ships an update every 6 months, Blaze Calendar every 5 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Thoughtstream | Blaze Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 7 MB | 80 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Getravs Technologies Private Limited](https://appshunter.io/developer/1812182036) | [Filippo Zanfini](https://appshunter.io/developer/1258233353) |

## What reviewers say

### Thoughtstream

[App page](https://appshunter.io/ios/app/thoughtstream-private-notes/id6753613955)

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

**In-app purchases:** none


### Blaze Calendar

[App page](https://appshunter.io/ios/app/blaze-calendar/id6756891022)

This app combines calendar, task management, project organization, and note-taking into a single productivity hub. It offers AI assistance for scheduling and workload balancing, with real-time collaboration features for teams. Integrates with existing tools for a streamlined workflow.

**Highlights:** Unified calendar, task, and project management, AI assistant for scheduling and workload balancing, Real-time collaboration and sharing, Integration with Google Calendar and other tools, Note-taking and file attachments, Cross-device synchronization (Mac, iPhone, iPad)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Base (Month) | $4.00 | per month |
| Pro (Month) | $7.00 | per month |
| Base (Year) | $49.00 | per year |
| Pro (Year) | $79.00 | per year |


## Frequently asked questions

### Is Thoughtstream free?

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

### Is Blaze Calendar free?

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

### Do Thoughtstream or Blaze Calendar have ads?

Neither Thoughtstream nor Blaze Calendar shows ads.

### Which is updated more often, Thoughtstream or Blaze Calendar?

Thoughtstream ships an update every 6 months, and Blaze Calendar every 5 days. Most recently, Thoughtstream was updated on October 28, 2026 and Blaze Calendar on October 24, 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.*