# Triflow vs Sonder Calendar

The clearest difference is price: Sonder Calendar at Free against Triflow's $3.99. Sonder Calendar also leads on in-app purchases (none vs 4) and update cadence (every 4 days vs every 2 weeks). Triflow's advantage is rating (5.0 vs 4.5) and chart position (#200 vs unranked). On ads and device support there is nothing between them.

Sonder Calendar is free to download; Triflow costs $3.99 up front. Triflow sells 4 one-off in-app purchases. Sonder Calendar asks for nothing beyond the download.

Triflow holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Triflow ships an update every 2 weeks, Sonder Calendar every 4 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Triflow | Sonder Calendar |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/triflow/id6741033188/reviews)** | [4.5 (4 ratings)](https://appshunter.io/ios/app/sonder-calendar/id6803707702/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Paid | **Free** |
| Best chart rank | **#200** | — |
| Size | 8 MB | 38 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Stauss](https://appshunter.io/developer/1758807050) | [Owen Lombardi](https://appshunter.io/developer/6803707704) |

## What reviewers say

### Triflow

[App page](https://appshunter.io/ios/app/triflow/id6741033188)

**Currently charting:** #200 Top Paid · Productivity (US App Store)

This app helps users overcome task overwhelm and decision paralysis by focusing on just three tasks at a time. It offers features like shuffling tasks, a distraction-free interface, and time tracking to encourage momentum and build confidence.

**Highlights:** Focus on top 3 tasks, Shuffle task order, See one task at a time, Time tracking, Distraction-free interface, Works offline

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Big Tip | $4.99 | one-time |
| Generous Tip | $9.99 | one-time |


### Sonder Calendar

[App page](https://appshunter.io/ios/app/sonder-calendar/id6803707702)

This app simplifies calendar management by allowing users to input events via voice or text. It categorizes your schedule into seven distinct colors and offers features like goal setting and friend invitations without social media feeds.

**Highlights:** Voice and text event input, Seven color-coded categories, Goal setting and tracking, Repeating event scheduling, Friend invitations for events, Shared joint calendars

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

**In-app purchases:** none


## Frequently asked questions

### Is Triflow free?

Triflow costs $3.99, and also offers in-app purchases.

### Is Sonder Calendar free?

Sonder Calendar is free to download, with no in-app purchases.

### Which has better reviews, Triflow or Sonder Calendar?

Triflow is rated higher. Triflow averages 5.0 out of 5 from 1 ratings, while Sonder Calendar averages 4.5 from 4 ratings.

### Do Triflow or Sonder Calendar have ads?

Neither Triflow nor Sonder Calendar shows ads.

### Which is updated more often, Triflow or Sonder Calendar?

Triflow ships an update every 2 weeks, and Sonder Calendar every 4 days. Most recently, Triflow was updated on November 8, 2026 and Sonder Calendar on October 31, 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.*