# Smart Adding Machine vs Typster

The clearest difference is update cadence: Smart Adding Machine at every 3 weeks against Typster's every 2 months. Smart Adding Machine also leads on device support (3 vs 1). Typster's advantage is price ($1.99 vs $3.99). On ads, in-app purchases and iOS requirement there is nothing between them.

Smart Adding Machine costs $3.99 and Typster $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Smart Adding Machine ships an update every 3 weeks, Typster every 2 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Smart Adding Machine | Typster |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/typster-big-keys-keyboard/id6753219233/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | — | Paid |
| Size | 0 MB | 3 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Harry Detrick](https://appshunter.io/developer/1698895959) | [PAAL EIRIK PAULSEN](https://appshunter.io/developer/1843130357) |

## What reviewers say

### Smart Adding Machine

[App page](https://appshunter.io/ios/app/smart-adding-machine/id6452400755)

**In-app purchases:** none


### Typster

[App page](https://appshunter.io/ios/app/typster-big-keys-keyboard/id6753219233)

This keyboard app offers larger, well-spaced keys to reduce typos and improve typing speed. Its clean design and privacy-focused approach make typing on your phone more comfortable and accurate.

**Highlights:** Large, spacious keys, Improved typing accuracy, Clean and simple design, Privacy-focused (no full access), Quick setup guide

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Adding Machine free?

Smart Adding Machine costs $3.99, with no in-app purchases.

### Is Typster free?

Typster costs $1.99, with no in-app purchases.

### Do Smart Adding Machine or Typster have ads?

Neither Smart Adding Machine nor Typster shows ads.

### Which is updated more often, Smart Adding Machine or Typster?

Smart Adding Machine ships an update every 3 weeks, and Typster every 2 months. Most recently, Smart Adding Machine was updated on November 3, 2026 and Typster on November 5, 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.*