# BlahBlah vs Duoflow

The clearest difference is iOS requirement: BlahBlah at 17.1 against Duoflow's 26.0. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. BlahBlah sells 3 in-app purchases, starting at $4.99 per month and Duoflow sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for BlahBlah against 5.0 for Duoflow. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

BlahBlah ships an update weekly, Duoflow every 3 days. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | BlahBlah | Duoflow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/blahblah-message-yourself/id6758985206/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/duoflow/id6767079360/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Freemium | Freemium |
| Size | 7 MB | 84 MB |
| Requires iOS | **17.1** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [晓晖 王](https://appshunter.io/developer/1778270363) | [Tianjin Ruikai Technology Co., Ltd](https://appshunter.io/developer/1766739205) |

## What reviewers say

### BlahBlah

[App page](https://appshunter.io/ios/app/blahblah-message-yourself/id6758985206)

This app provides a private chat interface for users to send messages, notes, and media to themselves. It offers features like voice memos, rich link previews, and a unique dialogue mode for internal reflection. Capture thoughts from anywhere and revisit past messages with advanced search and organization tools.

**Highlights:** Self-messaging chat interface, Send text, images, voice memos, links, locations, On-device voice memo transcription, Share from other apps, Dialogue mode for internal reflection, Backdate messages, On This Day and Daily Reflection features, Customizable chat themes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BlahBlah Premium Monthly | $4.99 | per month |
| BlahBlah Premium Yearly | $6.99 | per year |
| BlahBlah Premium Lifetime | $12.99 | one-time |


### Duoflow

[App page](https://appshunter.io/ios/app/duoflow/id6767079360)

Record notes, to-dos, and diaries through a chat interface. Customize chat bubbles for visual organization and easily manage different content types. Syncs seamlessly across Apple devices via iCloud.

**Highlights:** Chat-based recording, Customizable chat bubbles, Multiple message types (text, image, video, audio, location), Multiple conversation groups, iCloud synchronization, Cross-device continuity

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $0.99 | per month |
| 年度会员 | $4.99 | per year |
| 永久会员 | $6.99 | one-time |


## Frequently asked questions

### Is BlahBlah free?

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

### Is Duoflow free?

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

### Which has better reviews, BlahBlah or Duoflow?

BlahBlah and Duoflow are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do BlahBlah or Duoflow have ads?

Neither BlahBlah nor Duoflow shows ads.

### Which is updated more often, BlahBlah or Duoflow?

BlahBlah ships an update weekly, and Duoflow every 3 days. Most recently, BlahBlah was updated on October 19, 2026 and Duoflow on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*