# Smart iMeters vs Device Preview Exporter

The clearest difference is in-app purchases: Smart iMeters at none against Device Preview Exporter's 1. Smart iMeters also leads on ads (none vs shown). Device Preview Exporter's advantage is update cadence (every 10 days vs every 9 months) and iOS requirement (11.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Device Preview Exporter sells 1 one-off in-app purchase. Smart iMeters asks for nothing beyond the download.

Smart iMeters ships an update every 9 months, Device Preview Exporter every 10 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Smart iMeters | Device Preview Exporter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 10 days** |
| Size | 29 MB | 76 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Smart iMeters](https://appshunter.io/developer/6775329697) | [博 彭](https://appshunter.io/developer/1293268076) |

## What reviewers say

### Smart iMeters

[App page](https://appshunter.io/ios/app/smart-imeters/id6450159159)

**Features:** macOS Compatibility

**In-app purchases:** none


### Device Preview Exporter

[App page](https://appshunter.io/ios/app/device-preview-exporter/id6467133500)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UpgradeToPro | $0.99 | one-time |


## Frequently asked questions

### Is Smart iMeters free?

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

### Is Device Preview Exporter free?

Device Preview Exporter is free to download, with in-app purchases available.

### Do Smart iMeters or Device Preview Exporter have ads?

Device Preview Exporter shows ads; Smart iMeters does not.

### Which is updated more often, Smart iMeters or Device Preview Exporter?

Smart iMeters ships an update every 9 months, and Device Preview Exporter every 10 days. Most recently, Smart iMeters was updated on November 3, 2026 and Device Preview Exporter on November 3, 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.*