# Thinkdrop vs Bias Writer

The clearest difference is update cadence: Bias Writer at weekly against Thinkdrop's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Thinkdrop sells 2 in-app purchases, starting at $2.99 per month and Bias Writer sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Thinkdrop ships an update every 3 weeks, Bias Writer weekly. The most recent releases landed on October 10, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Thinkdrop | Bias Writer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (35 ratings)](https://appshunter.io/ios/app/thinkdrop-drop-your-thoughts/id1584511088/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 31.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Freemium | — |
| Size | 90 MB | 10 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ho Ye Lam](https://appshunter.io/developer/1363234647) | [Bias LLC](https://appshunter.io/developer/1852308267) |

## What reviewers say

### Thinkdrop

[App page](https://appshunter.io/ios/app/thinkdrop-drop-your-thoughts/id1584511088)

Capture fleeting ideas, thoughts, and reminders quickly and privately. Record, write, or snap your thoughts, then securely store them with end-to-end encryption. Gain insights into your thinking patterns and reduce mental clutter.

**Highlights:** Capture thoughts via writing, voice, or image, End-to-end encryption for privacy, Organize thoughts into threads, Speech recognition for audio notes, Pin important thoughts, Sentiment analysis for insights

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Think Drop 2 Monthly Premium | $2.99 | per month |
| Think Drop 2 Annual Premium | $23.99 | per year |


### Bias Writer

[App page](https://appshunter.io/ios/app/bias-writer/id6755156256)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BIAS Writer Base | $3.99 | per month |
| BIAS Writer Base | $39.99 | per year |


## Frequently asked questions

### Is Thinkdrop free?

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

### Is Bias Writer free?

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

### Do Thinkdrop or Bias Writer have ads?

Neither Thinkdrop nor Bias Writer shows ads.

### Which is updated more often, Thinkdrop or Bias Writer?

Thinkdrop ships an update every 3 weeks, and Bias Writer weekly. Most recently, Thinkdrop was updated on October 10, 2026 and Bias Writer on October 17, 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.*