# Strflow vs Undone

The clearest difference is update cadence: Undone at every 2 days against Strflow's fortnightly. Strflow's advantage is iOS requirement (18.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Strflow sells 4 in-app purchases, starting at $1.49 per month and Undone sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Strflow ships an update fortnightly, Undone every 2 days. The most recent releases landed on November 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Strflow | Undone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (51 ratings)](https://appshunter.io/ios/app/strflow-text-yourself-notes/id6468486339/reviews)** | — |
| Number of ratings | **51** | — |
| Positive reviews | 97.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 80 MB | 4 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Shingo Eguchi](https://appshunter.io/developer/1709973302) | [金苹 卢](https://appshunter.io/developer/1885537846) |

## What reviewers say

### Strflow

[App page](https://appshunter.io/ios/app/strflow-text-yourself-notes/id6468486339)

This app offers a unique chat-style interface for taking notes, organizing them with tags, and setting reminders. It integrates seamlessly with iOS features and ensures your data is secure and exportable.

**Highlights:** Chat-style note-taking, Timeline organization, Tagging system, Todo lists and reminders, Quick capture from anywhere, Rich text editor, iCloud sync and backup

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Strflow Plus (Monthly) | $1.49 | per month |
| Strflow Plus (Annual) | $14.99 | per year |
| Strflow Plus (Lifetime, Subscriber) | $27.99 | one-time |
| Strflow Plus (Lifetime) | $37.99 | one-time |


### Undone

[App page](https://appshunter.io/ios/app/undone-to-do-and-reminders/id6788685361)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Undone Pro 永久会员 | $4.99 | one-time |


## Frequently asked questions

### Is Strflow free?

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

### Is Undone free?

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

### Do Strflow or Undone have ads?

Neither Strflow nor Undone shows ads.

### Which is updated more often, Strflow or Undone?

Strflow ships an update fortnightly, and Undone every 2 days. Most recently, Strflow was updated on November 4, 2026 and Undone on October 25, 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.*