# Sink vs Workingflex

The clearest difference is in-app purchases: Workingflex at none against Sink's 7. Sink's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sink sells 7 in-app purchases, starting at $1.99 per month. Workingflex asks for nothing beyond the download.

Sink ships an update every 3 weeks, Workingflex every 3 months. The most recent releases landed on September 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Sink | Workingflex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/sink-habit-and-event-tracker/id6448770654/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 171 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [RealizD Pty Ltd](https://appshunter.io/developer/1269549563) | [NUÑEZ I NAVARRO](https://appshunter.io/developer/1115681369) |

## What reviewers say

### Sink

[App page](https://appshunter.io/ios/app/sink-habit-and-event-tracker/id6448770654)

This app offers a powerful yet simple way to track habits, events, and any aspect of your life. Integrate with voice assistants and spreadsheets for effortless data management and gain insights into your personal growth. Enjoy robust privacy controls and seamless iCloud backups.

**Highlights:** Track any habit or event, Siri and Shortcuts integration, Export data to CSV/JSON, AI-powered insights with SinkGPT, Apple Watch compatibility, Local data storage for privacy, iCloud backup and restore, Real-time Google Sheets sync

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $1.99 | per month |
| 1 Month | $2.99 | per month |
| 1 Month | $3.99 | per month |
| 1 Year | $19.99 | per year |
| 1 Year | $29.99 | per year |
| 1 Year | $39.99 | per year |
| Lifetime | $49.99 | one-time |


### Workingflex

[App page](https://appshunter.io/ios/app/workingflex/id6737921639)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sink free?

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

### Is Workingflex free?

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

### Do Sink or Workingflex have ads?

Neither Sink nor Workingflex shows ads.

### Which is updated more often, Sink or Workingflex?

Sink ships an update every 3 weeks, and Workingflex every 3 months. Most recently, Sink was updated on September 25, 2026 and Workingflex on October 12, 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.*