# Stack Testers Friend vs Notica

The clearest difference is review sentiment: Stack Testers Friend at 100% against Notica's 50%. Stack Testers Friend also leads on in-app purchases (none vs 22) and iOS requirement (13.0 vs 17). Notica's advantage is update cadence (weekly vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Notica sells 19 in-app purchases, starting at $6.99 per 7 days. Stack Testers Friend asks for nothing beyond the download.

Stack Testers Friend ships an update every 7 months, Notica weekly. The most recent releases landed on September 24, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Stack Testers Friend | Notica |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (147 ratings)](https://appshunter.io/ios/app/notica-ai-meeting-notes/id6747670233/reviews)** |
| Number of ratings | — | **147** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 33 MB | 211 MB |
| Requires iOS | **13.0** | 17 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Lewis Holmes](https://appshunter.io/developer/1454834389) | [APERO TECHNOLOGIES GROUP PTE. LTD.](https://appshunter.io/developer/1858467477) |

## What reviewers say

### Stack Testers Friend

[App page](https://appshunter.io/ios/app/stack-testers-friend/id1454834390)

This mobile toolkit provides essential on-site calculations for stack testers. Quickly perform gas conversions, probe position calculations, and other vital engineering tasks without needing a laptop. It's designed for environmental engineers needing immediate access to data while working in the field.

**Highlights:** Gas conversion calculations, Isokinetic sample position calculations, Extraction rate calculations, Gas density calculations, Particulate matter normalization, Calibration function calculations

**Features:** macOS Compatibility

**In-app purchases:** none


### Notica

[App page](https://appshunter.io/ios/app/notica-ai-meeting-notes/id6747670233)

This AI-powered tool listens to your meetings and automatically generates accurate transcripts and structured summaries. It can join online calls, process uploaded audio, and even answer questions about past discussions, helping you stay focused and organized.

**Highlights:** AI-powered transcription, Automated meeting summaries, Auto bot joins online meetings, Upload audio for transcription, AI chat assistant for meeting insights, Google Calendar integration, Export and share notes

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

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Weekly | $7.99 | per 7 days |
| Weekly | $7.99 | per 7 days |
| Weekly | $7.99 | per 7 days |
| Weekly | $8.49 | per 7 days |
| Monthly | $17.99 | per month |
| Yearly | $19.99 | per year |
| Weekly | $29.99 | per 7 days |
| Yearly | $39.99 | per year |
| Yearly | $39.99 | per year |
| Yearly | $49.99 | per year |
| Yearly | $79.99 | per year |
| Yearly | $89.99 | per year |
| Yearly | $89.99 | per year |
| Yearly | $99.99 | per year |
| Yearly | $99.99 | per year |
| Yearly | $99.99 | per year |
| Yearly | $99.99 | per year |
| Yearly | $129.99 | per year |


## Frequently asked questions

### Is Stack Testers Friend free?

Stack Testers Friend is free to download, with no in-app purchases.

### Is Notica free?

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

### Do Stack Testers Friend or Notica have ads?

Neither Stack Testers Friend nor Notica shows ads.

### Which is updated more often, Stack Testers Friend or Notica?

Stack Testers Friend ships an update every 7 months, and Notica weekly. Most recently, Stack Testers Friend was updated on September 24, 2026 and Notica on October 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.*