# Dark Digits vs CalcSmart

The clearest difference is price: Dark Digits at Free against CalcSmart's $19.99. CalcSmart's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On update cadence, ads and in-app purchases there is nothing between them.

Dark Digits is free to download; CalcSmart costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Dark Digits ships an update every 2 months, CalcSmart monthly. The most recent releases landed on September 29, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Dark Digits | CalcSmart |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/calcsmart/id6749968296/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 4 MB | 14 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YMMV](https://appshunter.io/developer/1224453829) | [Malachi Brown](https://appshunter.io/developer/1832966067) |

## What reviewers say

### Dark Digits

[App page](https://appshunter.io/ios/app/dark-digits/id6744330793)

**Features:** macOS Compatibility

**In-app purchases:** none


### CalcSmart

[App page](https://appshunter.io/ios/app/calcsmart/id6749968296)

This advanced AI-powered calculator offers instant solutions to complex problems through photos, voice, or handwriting. It provides step-by-step explanations, revolutionary graphing, and financial analysis, making math accessible for students, professionals, and everyday users.

**Highlights:** AI-powered problem solving, Photo, voice, and handwriting input, Step-by-step explanations, Revolutionary graphing, Financial analysis tools, Universal language support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dark Digits free?

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

### Is CalcSmart free?

CalcSmart costs $19.99, with no in-app purchases.

### Do Dark Digits or CalcSmart have ads?

Neither Dark Digits nor CalcSmart shows ads.

### Which is updated more often, Dark Digits or CalcSmart?

Dark Digits ships an update every 2 months, and CalcSmart monthly. Most recently, Dark Digits was updated on September 29, 2026 and CalcSmart on September 17, 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.*