# Reaction training. vs One Thing

Reaction training. and One Thing both sit at 4.8 stars, but that hides the real split: 92% of Reaction training.'s written reviews are positive against 27% of One Thing's. Reaction training. also leads on monetization model (free with in-app purchases vs subscription). One Thing's advantage is ads (none vs shown) and update cadence (every 2 weeks vs monthly). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Reaction training. sells 7 in-app purchases, starting at $1.99 per month and One Thing sells 11 in-app purchases, starting at $7.99 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 — 4.8 for Reaction training. against 4.7 for One Thing. Both are backed by a comparable volume of ratings — 584 and 892 respectively. Written reviews are what separate them: 92% of Reaction training.'s written reviews are positive against 27% of One Thing's.

Reaction training. ships an update monthly, One Thing every 2 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Reaction training. | One Thing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (584 ratings)](https://appshunter.io/ios/app/reaction-training/id6462426671/reviews)** | [4.7 (892 ratings)](https://appshunter.io/ios/app/one-thing-earn-screen-time/id6748092391/reviews) |
| Number of ratings | 584 | **892** |
| Positive reviews | **91.7% of reviews** | 27.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 56 MB | 221 MB |
| Requires iOS | **17.0** | 17.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Olena Gotsulyak](https://appshunter.io/developer/1699979294) | [One Thing LTD](https://appshunter.io/developer/1824252786) |

## What reviewers say

### Reaction training.

[App page](https://appshunter.io/ios/app/reaction-training/id6462426671)

Enhance your cognitive abilities, focus, and reflexes with a variety of engaging puzzles and games. Improve decision-making, logic, and memory skills through fun, educational exercises suitable for all ages. Challenge friends in a two-player mode for interactive learning and friendly competition.

**Highlights:** Over 55 puzzle and reflex challenges, Two-player competitive mode, Adjustable training intensity, Comprehensive progress statistics, Color theme customization, Schulte table, math, and memory exercises

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.99 | per month |
| Annual subscription | $5.99 | per year |
| VIP pass | $3.99 | one-time |
| VIP pass | $6.99 | one-time |
| VIP Access | $7.99 | one-time |
| VIP pass | $9.99 | one-time |
| VIP pass | $19.99 | one-time |

**What reviewers like**

- 🚀 Excellent reaction training
- 💰 Reasonable one-time premium payment
- 👍 Simple and effective
- 🤩 Funny and engaging
- ⚡ Helps improve reaction speed

**What reviewers complain about**

- 🐛 Inconsistent and inaccurate results in some levels
- 🔍 Difficulty level too high for some exercises
- 📺 Excessive ads in free version
- 🔞 Inappropriate ads shown

**Reported bugs**

- Click limit exercise not functioning properly
- Delayed response time in registering clicks

**Requested features**

- Colorblind mode
- Adjustable difficulty levels
- More interactive and fun UI
- Improved ball catch hit detection


### 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 Reaction training. free?

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

### Is One Thing free?

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

### Which has better reviews, Reaction training. or One Thing?

Reaction training. is rated higher. Reaction training. averages 4.8 out of 5 from 584 ratings, while One Thing averages 4.7 from 892 ratings.

### Do Reaction training. or One Thing have ads?

Reaction training. shows ads; One Thing does not.

### Which is updated more often, Reaction training. or One Thing?

Reaction training. ships an update monthly, and One Thing every 2 weeks. Most recently, Reaction training. was updated on October 30, 2026 and One Thing 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.*