# 1 vs REDMARKER

The clearest difference is in-app purchases: 1 at none against REDMARKER's 2. REDMARKER's advantage is update cadence (every 11 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. REDMARKER sells 2 one-off in-app purchases. 1 asks for nothing beyond the download.

1 ships an update every 3 months, REDMARKER every 11 days. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 1 | REDMARKER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/1-minute-maths/id1584136366/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 73.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 11 days** |
| Monetization | Free | — |
| Size | 27 MB | 37 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [White Rose Education Services Limited](https://appshunter.io/developer/1584136368) | [Gary Smith](https://appshunter.io/developer/1878570037) |

## What reviewers say

### 1

[App page](https://appshunter.io/ios/app/1-minute-maths/id1584136366)

This app offers children engaging, one-minute math tasks to build number confidence and fluency. Developed by award-winning math resource providers, it delivers targeted practice in short, fun bursts, perfect for home or classroom use.

**Highlights:** One-minute timed math tasks, Builds number confidence and fluency, Targeted practice in basic number skills, Subitising practice, Randomly generated questions, Instant feedback and scoring, Hint button for support

**Features:** macOS Compatibility

**In-app purchases:** none


### REDMARKER

[App page](https://appshunter.io/ios/app/redmarker/id6759429900)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RedMarker Essentials Pack | $5.29 | one-time |
| RedMarker Value Pack | $15.99 | one-time |


## Frequently asked questions

### Is 1 free?

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

### Is REDMARKER free?

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

### Do 1 or REDMARKER have ads?

Neither 1 nor REDMARKER shows ads.

### Which is updated more often, 1 or REDMARKER?

1 ships an update every 3 months, and REDMARKER every 11 days. Most recently, 1 was updated on October 13, 2026 and REDMARKER on October 6, 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.*