# Meter vs AI Writer

The clearest difference is in-app purchases: Meter at none against AI Writer's 3. Meter also leads on update cadence (every 3 days vs every 2 months) and iOS requirement (18.2 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. AI Writer sells 3 in-app purchases, starting at $0.99 per 7 days. Meter asks for nothing beyond the download.

Meter ships an update every 3 days, AI Writer every 2 months. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Meter | AI Writer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/meter-sensor-dashboard/id6747471828/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | Free | — |
| Size | 2 MB | 17 MB |
| Requires iOS | **18.2** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jiajun Zhang](https://appshunter.io/developer/1819165423) | [Farouk Nasser](https://appshunter.io/developer/1478256466) |

## What reviewers say

### Meter

[App page](https://appshunter.io/ios/app/meter-sensor-dashboard/id6747471828)

This utility app turns your iPhone into a comprehensive measurement toolkit. It provides access to various device sensors for real-time data on altitude, speed, pressure, motion, magnetic fields, location, sound levels, and leveling. Enjoy a clean interface with no ads or subscriptions.

**Highlights:** Complete sensor suite, Real-time measurements, High accuracy and precision, Modern card-based interface, Dark mode support, Privacy-focused local data processing

**In-app purchases:** none


### AI Writer

[App page](https://appshunter.io/ios/app/ai-writer-write-for-me/id6766950818)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $0.99 | per 7 days |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $19.99 | per year |


## Frequently asked questions

### Is Meter free?

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

### Is AI Writer free?

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

### Do Meter or AI Writer have ads?

Neither Meter nor AI Writer shows ads.

### Which is updated more often, Meter or AI Writer?

Meter ships an update every 3 days, and AI Writer every 2 months. Most recently, Meter was updated on October 7, 2026 and AI Writer on October 8, 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.*