# DataSieve vs OLM Converter · Viewer, Reader

The clearest difference is update cadence: OLM Converter · Viewer, Reader at every 5 days against DataSieve's every 3 weeks. On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. DataSieve sells 2 in-app purchases, starting at $2.99 per 7 days and OLM Converter · Viewer, Reader sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

DataSieve ships an update every 3 weeks, OLM Converter · Viewer, Reader every 5 days. The most recent releases landed on October 10, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | DataSieve | OLM Converter · Viewer, Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/datasieve-text-to-data/id6754284922/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 91 MB | 24 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Alberto Malagoli](https://appshunter.io/developer/965971566) | [Rush Tools LLC](https://appshunter.io/developer/1896773547) |

## What reviewers say

### DataSieve

[App page](https://appshunter.io/ios/app/datasieve-text-to-data/id6754284922)

Instantly transform unstructured text into organized data. Extract emails, dates, URLs, and more from files, folders, or archives with speed and privacy. Supports numerous input and export formats for efficient data analysis and organization.

**Highlights:** Extracts emails, dates, URLs, and more, Supports files, folders, and archives, Works offline and privately, Multiple input formats (TXT, PDF, DOCX, ZIP), Multiple export formats (CSV, JSON, XLSX), Fast and accurate data processing

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access for a week | $2.99 | per 7 days |
| Lifetime access | $14.99 | one-time |


### OLM Converter · Viewer, Reader

[App page](https://appshunter.io/ios/app/olm-converter-viewer-reader/id6781821148)

Easily open, read, and convert Outlook for Mac archive files (.olm) on your devices. Browse mail, contacts, calendars, and tasks, then export them to various formats like MBOX, PDF, and CSV without needing Outlook.

**Highlights:** Open .olm archives without Outlook, Read mail, contacts, calendar, notes, tasks, Browse full folder tree, Search mail by subject, sender, text, Convert to MBOX, EML, PDF, CSV, HTML, vCard, ICS, Export entire mailboxes or selected folders, Works offline on device

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| Pro Annual | $39.99 | per year |
| Pro Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is DataSieve free?

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

### Is OLM Converter · Viewer, Reader free?

OLM Converter · Viewer, Reader is free to download, with in-app purchases available.

### Do DataSieve or OLM Converter · Viewer, Reader have ads?

Neither DataSieve nor OLM Converter · Viewer, Reader shows ads.

### Which is updated more often, DataSieve or OLM Converter · Viewer, Reader?

DataSieve ships an update every 3 weeks, and OLM Converter · Viewer, Reader every 5 days. Most recently, DataSieve was updated on October 10, 2026 and OLM Converter · Viewer, Reader on October 18, 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.*