# Imi vs 1

The clearest difference is review sentiment: 1 at 73% against Imi's 0%. 1 also leads on price (Free vs $0.99) and in-app purchases (none vs 4). Imi's advantage is iOS requirement (10.0 vs 16.4). On update cadence, ads and device support there is nothing between them.

1 is free to download; Imi costs $0.99 up front. Imi sells 4 one-off in-app purchases. 1 asks for nothing beyond the download.

Imi ships an update every 2 months, 1 every 3 months. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Imi | 1 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/1-minute-maths/id1584136366/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 0.0% of reviews | **73.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | **Free** |
| Size | 9 MB | 27 MB |
| Requires iOS | **10.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Quality Early Years Ltd](https://appshunter.io/developer/1409560130) | [White Rose Education Services Limited](https://appshunter.io/developer/1584136368) |

## What reviewers say

### Imi

[App page](https://appshunter.io/ios/app/imi-child-development/id1409560131)

This app guides parents in fostering their child's development from birth to age eight through playful activities. It helps record achievements, suggests appropriate learning experiences, and allows sharing progress with others. The secure platform ensures data privacy and supports a child's journey to thrive.

**Highlights:** Bespoke learning journey guidance, Record child's achievements and development, Suggest appropriate next learning steps, Create a shareable journal of achievements, Secure and encrypted data storage, Add multiple children's profiles

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $3.99 | one-time |
| 3 Months | $9.99 | one-time |
| 6 Months | $17.99 | one-time |
| One Year | $33.99 | one-time |


### 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 Imi free?

Imi costs $0.99, and also offers in-app purchases.

### Is 1 free?

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

### Do Imi or 1 have ads?

Neither Imi nor 1 shows ads.

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

Imi ships an update every 2 months, and 1 every 3 months. Most recently, Imi was updated on October 6, 2026 and 1 on October 13, 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.*