# LiquidText vs Coulomb SFA

The clearest difference is in-app purchases: Coulomb SFA at none against LiquidText's 10. Coulomb SFA also leads on iOS requirement (13.0 vs 17.0). LiquidText's advantage is update cadence (fortnightly vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. LiquidText sells 10 in-app purchases, starting at $5.49 per month. Coulomb SFA asks for nothing beyond the download.

LiquidText ships an update fortnightly, Coulomb SFA every 6 weeks. The most recent releases landed on November 11, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | LiquidText | Coulomb SFA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (6.4K ratings)](https://appshunter.io/ios/app/liquidtext/id922765270/reviews)** | — |
| Number of ratings | **6.4K** | — |
| Positive reviews | 49.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 318 MB | 104 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [LiquidText, Inc.](https://appshunter.io/developer/922765269) | [ABACUS DESK IT SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1460244190) |

## What reviewers say

### LiquidText

[App page](https://appshunter.io/ios/app/liquidtext/id922765270)

This app provides a powerful way to review, organize, and connect information from documents and webpages. It allows users to pull out key facts, compare sections, and build upon ideas for reports, research, or study. Advanced features enable linking concepts across multiple sources and creating visual mind maps.

**Highlights:** Import documents and webpages, Create workspaces for organization, Pull and annotate excerpts, Connect ideas with ink links, Compare document sections, Search across all documents, Create mind maps

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LiquidText Live, Monthly, Stu | $5.49 | per month |
| LiquidText Live, Monthly, StPr | $5.49 | per month |
| LiquidText Live, Monthly | $10.90 | per month |
| LiquidText Live, Monthly, Upg | $10.90 | per month |
| LiquidText Unlimited, Yr, Stu | $19.00 | per month |
| LiquidText Live, Yearly, Stu | $54.90 | per year |
| LiquidText Live, Yearly | $99.99 | per year |
| LiquidText Live, Yearly, Upg | $99.99 | per year |
| LiquidText Unlimited, Yr | $189.99 | per year |
| LiquidText Pro II | $89.99 | one-time |

**What reviewers like**

- 🚀 Powerful annotation and organization features
- 📚 Excellent for academic and research work
- 💡 Innovative concept and workflow
- 🤖 Responsive and helpful customer support
- 🖼️ Smooth integration with Apple Pencil

**What reviewers complain about**

- 💰 Expensive, especially for the subscription model
- 🐛 Buggy and unstable at times
- 🤯 Steep learning curve and unintuitive interface
- 🔗 Lack of seamless cross-device sync and integration
- 🔍 Navigation and file management issues

**Reported bugs**

- Frequent crashes and data loss issues
- Inconsistent behavior with Apple Pencil
- Text selection and highlighting problems
- Sync issues between iPad and Mac versions
- Unexpected changes to existing annotations

**Requested features**

- Dark mode option
- Improved palm rejection and writing experience
- Better export and sharing options
- Thumbnail/outline view for easier navigation
- Ability to rotate and resize text/image annotations


### Coulomb SFA

[App page](https://appshunter.io/ios/app/coulomb-sfa/id6744020261)

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

**In-app purchases:** none


## Frequently asked questions

### Is LiquidText free?

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

### Is Coulomb SFA free?

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

### Do LiquidText or Coulomb SFA have ads?

Neither LiquidText nor Coulomb SFA shows ads.

### Which is updated more often, LiquidText or Coulomb SFA?

LiquidText ships an update fortnightly, and Coulomb SFA every 6 weeks. Most recently, LiquidText was updated on November 11, 2026 and Coulomb SFA on October 30, 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.*