# Logbook Time Calc vs OLM Converter · Viewer, Reader

The clearest difference is device support: OLM Converter · Viewer, Reader at 4 against Logbook Time Calc's 2. OLM Converter · Viewer, Reader also leads on iOS requirement (15.0 vs 18.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Logbook Time Calc sells 11 in-app purchases, starting at $3.99 per month and OLM Converter · Viewer, Reader sells 8 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Logbook Time Calc ships an update every 8 days, OLM Converter · Viewer, Reader weekly. The most recent releases landed on October 25, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Logbook Time Calc | OLM Converter · Viewer, Reader |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 1.7 GB | 24 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [EDUARD FARTADE](https://appshunter.io/developer/1896295054) | [Rush Tools LLC](https://appshunter.io/developer/1896773547) |

## What reviewers say

### Logbook Time Calc

[App page](https://appshunter.io/ios/app/logbook-time-calc/id6766518740)

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abbonamento | $3.99 | per month |
| Abbonamento | $17.99 | per year |
| Tip | $0.99 | one-time |
| Tip | $1.99 | one-time |
| Tip | $2.99 | one-time |
| 100 Cloud Ai reads | $3.99 | one-time |
| Tip | $3.99 | one-time |
| Tip | $8.99 | one-time |
| Tip | $17.99 | one-time |
| Lifetime | $24.99 | one-time |
| Tip | $44.99 | 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, and calendar entries, 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 and search mail, Convert to MBOX, EML, PDF, CSV, HTML, vCard, ICS, Export entire mailboxes or selected folders, Process large archives on-device

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| Pro Weekly | $9.99 | per 7 days |
| Pro Annual | $19.99 | per year |
| Pro Annual | $29.99 | per year |
| Pro Annual | $39.99 | per year |
| Pro Annual | $49.99 | per year |
| Pro Annual | $79.99 | per year |
| Pro Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Logbook Time Calc free?

Logbook Time Calc 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 Logbook Time Calc or OLM Converter · Viewer, Reader have ads?

Neither Logbook Time Calc nor OLM Converter · Viewer, Reader shows ads.

### Which is updated more often, Logbook Time Calc or OLM Converter · Viewer, Reader?

Logbook Time Calc ships an update every 8 days, and OLM Converter · Viewer, Reader weekly. Most recently, Logbook Time Calc was updated on October 25, 2026 and OLM Converter · Viewer, Reader on November 1, 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.*