# WorkNotes vs TLV Valve Calculator

The clearest difference is in-app purchases: TLV Valve Calculator at none against WorkNotes's 3. TLV Valve Calculator also leads on iOS requirement (15.0 vs 17.6). WorkNotes's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. WorkNotes sells 3 in-app purchases, starting at $0.99 per 7 days. TLV Valve Calculator asks for nothing beyond the download.

WorkNotes ships an update every 3 weeks, TLV Valve Calculator every 2 months. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | WorkNotes | TLV Valve Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/worknotes-contractor-tracker/id6752115819/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Freemium | — |
| Size | 8 MB | 235 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Maksym Kiryanov](https://appshunter.io/developer/1628335944) | [TLV CO.,LTD.](https://appshunter.io/developer/653406780) |

## What reviewers say

### WorkNotes

[App page](https://appshunter.io/ios/app/worknotes-contractor-tracker/id6752115819)

This app helps contractors and handymen manage job details, track projects, and create professional invoices. It allows for recording notes, attaching photos, calculating costs, and exporting documents directly from the job site.

**Highlights:** Project notes with photos, To-do lists with checkboxes, Material cost calculation, Invoice creation from project data, PDF export and sharing, Voice notes with transcription, Deadline reminders

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $0.99 | per 7 days |
| Annual Premium | $19.99 | per year |
| Lifetime Premium | $29.99 | one-time |


### TLV Valve Calculator

[App page](https://appshunter.io/ios/app/tlv-valve-calculator/id6752233858)

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

**In-app purchases:** none


## Frequently asked questions

### Is WorkNotes free?

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

### Is TLV Valve Calculator free?

TLV Valve Calculator is free to download, with no in-app purchases.

### Do WorkNotes or TLV Valve Calculator have ads?

Neither WorkNotes nor TLV Valve Calculator shows ads.

### Which is updated more often, WorkNotes or TLV Valve Calculator?

WorkNotes ships an update every 3 weeks, and TLV Valve Calculator every 2 months. Most recently, WorkNotes was updated on October 5, 2026 and TLV Valve Calculator on October 15, 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.*