# MTEMC Documents Library vs Variables

The clearest difference is update cadence: MTEMC Documents Library at weekly against Variables's every 3 months. MTEMC Documents Library also leads on iOS requirement (10.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MTEMC Documents Library ships an update weekly, Variables every 3 months. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | MTEMC Documents Library | Variables |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mtemc-documents-library/id1260645409/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free | — |
| Size | 29 MB | 11 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Middle Tennessee Electric Membership Corporation](https://appshunter.io/developer/1358380023) | [Johannes Klumpe](https://appshunter.io/developer/1838329115) |

## What reviewers say

### MTEMC Documents Library

[App page](https://appshunter.io/ios/app/mtemc-documents-library/id1260645409)

This app facilitates secure sharing of documents for internal and external use. It allows instant viewing of specification documents and tracks changes, benefiting field technicians by eliminating the need to carry physical manuals.

**Highlights:** Secure document sharing, Instant viewing of specification documents, Real-time change tracking, Confidential document protection, Beneficial for field technicians

**Features:** macOS Compatibility

**In-app purchases:** none


### Variables

[App page](https://appshunter.io/ios/app/variables-measure-everything/id6757949097)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MTEMC Documents Library free?

MTEMC Documents Library is free to download, with no in-app purchases.

### Is Variables free?

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

### Do MTEMC Documents Library or Variables have ads?

Neither MTEMC Documents Library nor Variables shows ads.

### Which is updated more often, MTEMC Documents Library or Variables?

MTEMC Documents Library ships an update weekly, and Variables every 3 months. Most recently, MTEMC Documents Library was updated on October 5, 2026 and Variables on October 4, 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.*