# RGS Worcester Driver SBT vs 1

The clearest difference is update cadence: 1 at every 3 months against RGS Worcester Driver SBT's every 17 months. RGS Worcester Driver SBT's advantage is iOS requirement (14.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RGS Worcester Driver SBT ships an update every 17 months, 1 every 3 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | RGS Worcester Driver SBT | 1 |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 20 MB | 27 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ElitAd Internet Limited](https://appshunter.io/developer/876372370) | [White Rose Education Services Limited](https://appshunter.io/developer/1584136368) |

## What reviewers say

### RGS Worcester Driver SBT

[App page](https://appshunter.io/ios/app/rgs-worcester-driver-sbt/id1583561295)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is RGS Worcester Driver SBT free?

RGS Worcester Driver SBT is free to download, with no in-app purchases.

### Is 1 free?

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

### Do RGS Worcester Driver SBT or 1 have ads?

Neither RGS Worcester Driver SBT nor 1 shows ads.

### Which is updated more often, RGS Worcester Driver SBT or 1?

RGS Worcester Driver SBT ships an update every 17 months, and 1 every 3 months. Most recently, RGS Worcester Driver SBT was updated on November 3, 2026 and 1 on November 7, 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.*