# Gauge Calibration Ledger2026 — Calibration due dates and

> Calibration due dates and (iPhone/iPad app by hao du.)

- Source: https://appshunter.io/ios/app/gauge-calibration-ledger2026/id6781401510 (this page in markdown: same URL + `.md`)
- Developer: [hao du](https://appshunter.io/developer/1454457703)
- Category: Business
- Price: $0.29 (on sale, was $0.39)
- Age rating: 4+
- Requires: iOS 16.0 · 1 MB
- Languages: Russian, German (Germany), Japanese, French (France), Chinese (Simplified, China), American English, European Portuguese, European Spanish, Korean
- Released: 2026-06-20
- Data updated: 2026-08-07
- User reviews in markdown: https://appshunter.io/ios/app/gauge-calibration-ledger2026/id6781401510/reviews.md

## What is Gauge Calibration Ledger2026?

Gauge Calibration Ledger is an offline record keeper for small factories, labs, quality teams, and office administrators. Track measuring instruments by ID, model, range, department, location, owner, calibration cycle, next due date, certificate photos, and exception notes. Data stays on device with no login, no network account, and no data collection.


## Version history (last 2 releases)

### 1.1 — 2026-08-04

Added a feedback feature.

### 1.0 — 2026-06-20

No release notes.

## More apps by hao du

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All apps by hao du: https://appshunter.io/developer/1454457703

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-07.*