# One Thing vs LockIn

One Thing and LockIn both sit at 4.7 stars, but that hides the real split: 100% of LockIn's written reviews are positive against 27% of One Thing's. LockIn also leads on monetization model (free vs subscription). One Thing's advantage is ratings volume (892 vs 3) and update cadence (every 2 weeks vs monthly). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. One Thing sells 11 in-app purchases, starting at $7.99 per 7 days and LockIn sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for One Thing against 4.7 for LockIn. That said, the two scores are not equally well evidenced: One Thing has 892 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 27% of One Thing's written reviews are positive against 100% of LockIn's.

One Thing ships an update every 2 weeks, LockIn monthly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | One Thing | LockIn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (892 ratings)](https://appshunter.io/ios/app/one-thing-earn-screen-time/id6748092391/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/lockin-screen-time-control/id6756734456/reviews) |
| Number of ratings | **892** | 3 |
| Positive reviews | 27.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Subscription | **Free** |
| Size | 221 MB | 40 MB |
| Requires iOS | 17.2 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [One Thing LTD](https://appshunter.io/developer/1824252786) | [Tymofii Hrynchuk](https://appshunter.io/developer/1833879471) |

## What reviewers say

### 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


### LockIn

[App page](https://appshunter.io/ios/app/lockin-screen-time-control/id6756734456)

This app helps high-achievers regain control of their day by blocking distracting apps and websites. It uses AI-assisted planning and unique verification methods like photo proof and AI fitness tracking to ensure task completion and habit formation.

**Highlights:** AI-assisted scheduling, Hard app and website blocking, ML-powered fitness verification, Photo proof verification, 21-day habit architect, Integration with Apple Health

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| Monthly Subscription LockIn | $7.99 | per month |
| Annual Subscription LockIn | $29.99 | per year |


## Frequently asked questions

### Is One Thing free?

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

### Is LockIn free?

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

### Which has better reviews, One Thing or LockIn?

One Thing is rated higher. One Thing averages 4.7 out of 5 from 892 ratings, while LockIn averages 4.7 from 3 ratings.

### Do One Thing or LockIn have ads?

Neither One Thing nor LockIn shows ads.

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

One Thing ships an update every 2 weeks, and LockIn monthly. Most recently, One Thing was updated on October 25, 2026 and LockIn on October 24, 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.*