# CSV File Viewer vs ecomaster energy

The clearest difference is in-app purchases: ecomaster energy at none against CSV File Viewer's 6. CSV File Viewer's advantage is update cadence (weekly vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CSV File Viewer sells 6 in-app purchases, starting at $2.99 per month. ecomaster energy asks for nothing beyond the download.

CSV File Viewer ships an update weekly, ecomaster energy every 5 months. The most recent releases landed on October 16, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | CSV File Viewer | ecomaster energy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (21 ratings)](https://appshunter.io/ios/app/csv-file-viewer-smart-csv/id1611962123/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 months |
| Monetization | Freemium | — |
| Size | 51 MB | 74 MB |
| Requires iOS | 15.0 | **14.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hue Nguyen](https://appshunter.io/developer/1716687307) | [RSE Informationstechnologie GmbH](https://appshunter.io/developer/1642337354) |

## What reviewers say

### CSV File Viewer

[App page](https://appshunter.io/ios/app/csv-file-viewer-smart-csv/id1611962123)

This app acts as a comprehensive CSV file explorer, allowing users to view, edit, and query CSV data. It offers features like AI-powered queries, SQL querying, chart creation, and PDF conversion with customizable styling. Manage and share exported files easily.

**Highlights:** AI Assistant for CSV queries, SQL query support, Create charts from data, Convert CSV to PDF with custom styles, Visual filtering and searching, Manage and share exported files

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Monthly | $4.99 | per month |
| Pro Annual | $14.99 | per year |
| Pro Annual | $24.99 | per year |
| Pro Lifetime | $39.99 | one-time |
| Pro Lifetime | $49.99 | one-time |


### ecomaster energy

[App page](https://appshunter.io/ios/app/ecomaster-energy/id6550909216)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CSV File Viewer free?

CSV File Viewer is free to download, with in-app purchases available.

### Is ecomaster energy free?

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

### Do CSV File Viewer or ecomaster energy have ads?

Neither CSV File Viewer nor ecomaster energy shows ads.

### Which is updated more often, CSV File Viewer or ecomaster energy?

CSV File Viewer ships an update weekly, and ecomaster energy every 5 months. Most recently, CSV File Viewer was updated on October 16, 2026 and ecomaster energy on September 24, 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.*