# Blackmount vs Remosidian

The clearest difference is iOS requirement: Remosidian at 15.1 against Blackmount's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Blackmount sells 2 in-app purchases, starting at $1.99 per month and Remosidian sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Blackmount ships an update fortnightly, Remosidian every 3 weeks. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Blackmount | Remosidian |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/blackmount/id6759819601/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 14 MB | 103 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Blackmount.ai Inc](https://appshunter.io/developer/1880923905) | [宜丙 林](https://appshunter.io/developer/1888184895) |

## What reviewers say

### Blackmount

[App page](https://appshunter.io/ios/app/blackmount/id6759819601)

Capture and organize AI conversations, browser sessions, bookmarks, voice notes, and research. Search your saved content or ask AI questions across it, with source citations. Resume your work seamlessly across devices.

**Highlights:** Save and search AI conversations, Capture browser tabs and sessions, Organize bookmarks and research, Record and transcribe voice notes, Ask AI questions across saved content, Resume work across devices, Source citations for AI answers

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blackmount Pro | $1.99 | per month |
| AI Credit | $0.99 | one-time |


### Remosidian

[App page](https://appshunter.io/ios/app/remosidian/id6775158234)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remosidian Pro Monthly | $2.99 | per month |
| Remosidian Pro Founder Yearly | $19.99 | per year |
| Remosidian Pro Yearly | $24.99 | per year |
| Remosidian Pro Lifetime | $249.99 | one-time |


## Frequently asked questions

### Is Blackmount free?

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

### Is Remosidian free?

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

### Do Blackmount or Remosidian have ads?

Neither Blackmount nor Remosidian shows ads.

### Which is updated more often, Blackmount or Remosidian?

Blackmount ships an update fortnightly, and Remosidian every 3 weeks. Most recently, Blackmount was updated on October 31, 2026 and Remosidian on November 5, 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.*