# DesignSync vs One Thing

The clearest difference is in-app purchases: DesignSync at none against One Thing's 11. DesignSync also leads on iOS requirement (12.4 vs 17.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. One Thing sells 11 in-app purchases, starting at $7.99 per 7 days. DesignSync asks for nothing beyond the download.

DesignSync ships an update every 3 weeks, One Thing every 2 weeks. The most recent releases landed on September 30, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | DesignSync | One Thing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (888 ratings)](https://appshunter.io/ios/app/one-thing-earn-screen-time/id6748092391/reviews)** |
| Number of ratings | — | **888** |
| Positive reviews | — | 27.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Subscription |
| Size | 30 MB | 188 MB |
| Requires iOS | **12.4** | 17.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [MARKS DZYN PRIVATE LIMITED](https://appshunter.io/developer/1615364323) | [One Thing LTD](https://appshunter.io/developer/1824252786) |

## What reviewers say

### DesignSync

[App page](https://appshunter.io/ios/app/designsync/id6474712980)

**Features:** macOS Compatibility

**In-app purchases:** none


### One Thing

[App page](https://appshunter.io/ios/app/one-thing-earn-screen-time/id6748092391)

This app helps you build positive habits by blocking distracting apps until you complete a chosen meaningful activity. It uses AI-powered verification and progress tracking to keep you motivated and accountable.

**Highlights:** Daily meaningful activity selection, Smart app blocking, AI-powered camera verification, Progress tracking and streaks, Flexible scheduling, Family controls integration

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Thing (Full Access) (Weekly) | $7.99 | per 7 days |
| Pro Plan Monthly | $8.99 | per month |
| One Thing (Weekly) | $12.99 | per 7 days |
| Pro Plan Yearly WB | $21.90 | per year |
| One Thing (Full Access) (Annual) | $29.99 | per year |
| One Thing (Yearly - BF) | $29.99 | per year |
| One Thing Annual | $39.99 | per year |
| Pro Plan Yearly | $49.99 | per year |
| One Thing (Yearly) | $49.99 | per year |
| One Thing (Yearly) | $59.99 | per year |
| One Thing Yearly | $69.99 | per year |

**What reviewers like**

- 🚀 Helps stop doom-scrolling
- 👍 Beneficial for users
- 👍 Breaks bad habits
- 👍 Helps with productivity

**What reviewers complain about**

- 💰 Requires payment
- 🚫 Limited functionality without payment

**Reported bugs**

- Incompatible with younger users due to payment requirements

**Requested features**

- Allow multiple activities per day
- Add chores/cleaning/meal prep blocks
- Option to add multiple blocks


## Frequently asked questions

### Is DesignSync free?

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

### Is One Thing free?

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

### Do DesignSync or One Thing have ads?

Neither DesignSync nor One Thing shows ads.

### Which is updated more often, DesignSync or One Thing?

DesignSync ships an update every 3 weeks, and One Thing every 2 weeks. Most recently, DesignSync was updated on September 30, 2026 and One Thing on October 16, 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.*