# IssieCalc vs SimpleSpeak AAC

The clearest difference is update cadence: IssieCalc at fortnightly against SimpleSpeak AAC's every 5 months. IssieCalc also leads on iOS requirement (15.5 vs 17.5). 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.

IssieCalc ships an update fortnightly, SimpleSpeak AAC every 5 months. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | IssieCalc | SimpleSpeak AAC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/simplespeak-aac/id6743131751/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 months |
| Monetization | — | Free |
| Size | 26 MB | 15 MB |
| Requires iOS | **15.5** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Beit Issie Shapiro](https://appshunter.io/developer/1189551653) | [Justin Risner](https://appshunter.io/developer/1745551806) |

## What reviewers say

### IssieCalc

[App page](https://appshunter.io/ios/app/issiecalc/id1424402084)

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

**In-app purchases:** none


### SimpleSpeak AAC

[App page](https://appshunter.io/ios/app/simplespeak-aac/id6743131751)

This app provides an intuitive way to communicate when speaking is difficult. Users can quickly create and organize custom phrases into categories, or use pre-set options. Expressing thoughts is as simple as a tap, with features like customizable voices and eye-tracking control.

**Highlights:** Customizable phrase creation, Categorization of phrases, Choice of speech voices, Eye tracking control (iOS 18+), iCloud sync across devices

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IssieCalc free?

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

### Is SimpleSpeak AAC free?

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

### Do IssieCalc or SimpleSpeak AAC have ads?

Neither IssieCalc nor SimpleSpeak AAC shows ads.

### Which is updated more often, IssieCalc or SimpleSpeak AAC?

IssieCalc ships an update fortnightly, and SimpleSpeak AAC every 5 months. Most recently, IssieCalc was updated on October 17, 2026 and SimpleSpeak AAC on October 25, 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.*