# One vs ParentScience

The clearest difference is update cadence: ParentScience at daily against One's fortnightly. One's advantage is ratings volume (26 vs 1). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. One sells 3 in-app purchases, starting at $3.99 per month and ParentScience sells 1 in-app purchase, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for One against 5.0 for ParentScience. That said, the two scores are not equally well evidenced: One has 26 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

One ships an update fortnightly, ParentScience daily. The most recent releases landed on October 22, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | One | ParentScience |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (26 ratings)](https://appshunter.io/ios/app/one-minute-articulation-app/id1440062172/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/parentscience/id6768109367/reviews)** |
| Number of ratings | **26** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 79 MB | 49 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Speech Solution, LLC](https://appshunter.io/developer/1440062171) | [Flash Social Technologies Inc.](https://appshunter.io/developer/1658116351) |

## What reviewers say

### One

[App page](https://appshunter.io/ios/app/one-minute-articulation-app/id1440062172)

This app provides quick, targeted speech sound drills to help children build muscle memory and improve clarity. It's designed for daily practice, making speech therapy accessible and effective for kids with various speech sound disorders.

**Highlights:** 1-minute speech drills, Targets a wide range of speech sounds, Builds oral motor memory, Tracks progress, Engaging visuals and feedback, Designed for SLPs and parents

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Monthly | $3.99 | per month |
| Basic - Monthly | $4.99 | per month |
| Premium - Yearly | $35.95 | per year |


### ParentScience

[App page](https://appshunter.io/ios/app/parentscience/id6768109367)

This app translates developmental research into actionable daily challenges for parents. It offers age-calibrated activities and tracking for cognitive, language, physical, and emotional growth, supported by an AI companion for parenting questions.

**Highlights:** Age-calibrated daily challenges, Cognitive & language development tracking, Physical growth & wellbeing tracking, Daily log for infant and child activities, AI parenting companion for questions, Progress tracking with XP and streaks

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $19.99 | per month |


## Frequently asked questions

### Is One free?

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

### Is ParentScience free?

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

### Which has better reviews, One or ParentScience?

ParentScience is rated higher. One averages 4.9 out of 5 from 26 ratings, while ParentScience averages 5.0 from 1 ratings.

### Do One or ParentScience have ads?

Neither One nor ParentScience shows ads.

### Which is updated more often, One or ParentScience?

One ships an update fortnightly, and ParentScience daily. Most recently, One was updated on October 22, 2026 and ParentScience on October 11, 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.*