# CalcTrack vs calculator DUO

The clearest difference is in-app purchases: CalcTrack at none against calculator DUO's 1. CalcTrack also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.5). On price, update cadence and device support there is nothing between them.

Both are free to download. calculator DUO sells 1 one-off in-app purchase. CalcTrack asks for nothing beyond the download.

CalcTrack ships an update every 9 days, calculator DUO every 2 weeks. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | CalcTrack | calculator DUO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calculator-duo/id6739860116/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 9 MB |
| Requires iOS | **13.0** | 16.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Barkin Sungu](https://appshunter.io/developer/1643891581) | [Wenbin lei](https://appshunter.io/developer/1787331500) |

## What reviewers say

### CalcTrack

[App page](https://appshunter.io/ios/app/calctrack/id6469319850)

**Features:** macOS Compatibility

**In-app purchases:** none


### calculator DUO

[App page](https://appshunter.io/ios/app/calculator-duo/id6739860116)

This utility app offers a modern calculator with a visual history feature, eliminating the need to memorize previous calculations. It also includes a comprehensive unit converter and a tip calculator that bases tips on pre-tax amounts.

**Highlights:** Visual history calculator (RESULT SHELF™), Unit converter, Tip calculator (pre-tax), Distraction-free design, Precise and efficient

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $7.99 | one-time |


## Frequently asked questions

### Is CalcTrack free?

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

### Is calculator DUO free?

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

### Do CalcTrack or calculator DUO have ads?

calculator DUO shows ads; CalcTrack does not.

### Which is updated more often, CalcTrack or calculator DUO?

CalcTrack ships an update every 9 days, and calculator DUO every 2 weeks. Most recently, CalcTrack was updated on September 18, 2026 and calculator DUO on September 23, 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.*