# TEC Gauge vs 領収書メーカー

The clearest difference is in-app purchases: TEC Gauge at none against 領収書メーカー's 2. TEC Gauge also leads on iOS requirement (8.0 vs 15.5). 領収書メーカー'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. 領収書メーカー sells 2 in-app purchases, starting at $1.99 per month. TEC Gauge asks for nothing beyond the download.

TEC Gauge ships an update every 2 months, 領収書メーカー every 3 weeks. The most recent releases landed on June 6, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | TEC Gauge | 領収書メーカー |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tec-gauge/id636675710/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 8 MB | 14 MB |
| Requires iOS | **8.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Energy Conservatory](https://appshunter.io/developer/504703668) | [kenichi kato](https://appshunter.io/developer/913467537) |

## What reviewers say

### TEC Gauge

[App page](https://appshunter.io/ios/app/tec-gauge/id636675710)

This app allows wireless control and display of pressure gauge readings. Capture, store, and share data in various formats via email or cloud services. It offers features for blower door and duct testing, including code compliance results and airflow unit selection.

**Highlights:** Wireless control of pressure gauges, Capture, store, and share readings, Display readings in multiple formats, Blower door and duct testing features, Code compliance results display, Airflow unit selection, Combustion safety testing tool

**In-app purchases:** none


### 領収書メーカー

[App page](https://appshunter.io/ios/app/id6443805780)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $1.99 | per month |
| 年額プラン | $17.49 | per year |


## Frequently asked questions

### Is TEC Gauge free?

TEC Gauge is free to download, with no in-app purchases.

### Is 領収書メーカー free?

領収書メーカー is free to download, with in-app purchases available.

### Do TEC Gauge or 領収書メーカー have ads?

Neither TEC Gauge nor 領収書メーカー shows ads.

### Which is updated more often, TEC Gauge or 領収書メーカー?

TEC Gauge ships an update every 2 months, and 領収書メーカー every 3 weeks. Most recently, TEC Gauge was updated on June 6, 2026 and 領収書メーカー 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.*