# PTI Transformer vs Mimiri Notes

The clearest difference is rating: PTI Transformer at 5.0 against Mimiri Notes's 1.0. PTI Transformer also leads on iOS requirement (12.0 vs 14.0). Mimiri Notes's advantage is update cadence (monthly vs every 11 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

PTI Transformer holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

PTI Transformer ships an update every 11 months, Mimiri Notes monthly. The most recent releases landed on October 29, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | PTI Transformer | Mimiri Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pti-transformer/id522826739/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/mimiri-notes/id6737539338/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Monthly** |
| Monetization | Free | Free |
| Size | 3 MB | 18 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Push Interactions, Inc.](https://appshunter.io/developer/357410200) | [innonova GmbH](https://appshunter.io/developer/1776999898) |

## What reviewers say

### PTI Transformer

[App page](https://appshunter.io/ios/app/pti-transformer/id522826739)

This app calculates electrical transformer performance metrics like current, voltage, efficiency, and regulation. It also offers SI/Metric conversions for various physical quantities and includes a tool for estimating ship dates based on order time.

**Highlights:** Transformer current, voltage, efficiency, and regulation calculation, SI/Metric unit conversions, Speed, force, power, area, pressure, volume, temperature, weights & measures conversions, Ship date estimation tool, Information about the developer

**Features:** macOS Compatibility

**In-app purchases:** none


### Mimiri Notes

[App page](https://appshunter.io/ios/app/mimiri-notes/id6737539338)

Securely store and synchronize your notes, passwords, and confidential data with military-grade encryption. Organize information with a tree structure and full-text search, and collaborate on encrypted notes with trusted individuals. Access your data offline and enjoy peace of mind with auto-lock security.

**Highlights:** Military-grade AES-256 encryption, Real-time cross-platform synchronization, Tree structure with unlimited nesting, Full-text search, Secure collaboration on notes, Offline access, Open-source transparency

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PTI Transformer free?

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

### Is Mimiri Notes free?

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

### Which has better reviews, PTI Transformer or Mimiri Notes?

PTI Transformer is rated higher. PTI Transformer averages 5.0 out of 5 from 1 ratings, while Mimiri Notes averages 1.0 from 1 ratings.

### Do PTI Transformer or Mimiri Notes have ads?

Neither PTI Transformer nor Mimiri Notes shows ads.

### Which is updated more often, PTI Transformer or Mimiri Notes?

PTI Transformer ships an update every 11 months, and Mimiri Notes monthly. Most recently, PTI Transformer was updated on October 29, 2026 and Mimiri Notes 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.*