# CD Check vs Smart Calculator+

The clearest difference is price: Smart Calculator+ at Free against CD Check's $0.99. Smart Calculator+ also leads on update cadence (fortnightly vs every 7 months). CD Check's advantage is in-app purchases (none vs 1) and chart position (#148 vs unranked). On rating, review sentiment, ratings volume and ads there is nothing between them.

Smart Calculator+ is free to download; CD Check costs $0.99 up front. Smart Calculator+ sells 1 in-app purchase, starting at $0.49 per month. CD Check asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for CD Check against 5.0 for Smart Calculator+. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

CD Check ships an update every 7 months, Smart Calculator+ fortnightly. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | CD Check | Smart Calculator+ |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/cd-check-mobile-calculator/id431556633/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/smart-calculator-plus/id6503145023/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#148** | — |
| Size | 2 MB | 32 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ChuChu Train Productions](https://appshunter.io/developer/415772087) | [Quick Consulting and Management LLC](https://appshunter.io/developer/1137340501) |

## What reviewers say

### CD Check

[App page](https://appshunter.io/ios/app/cd-check-mobile-calculator/id431556633)

**Currently charting:** #148 Top Paid · Finance (US App Store)

Calculate Certificate of Deposit (CD) earnings with this straightforward tool. It quickly determines interest earned and the final value after the term, also providing automatic APY calculations for easy rate comparisons.

**Highlights:** Easy CD calculations, Interest earned display, Final value calculation, Automatic APY calculation, Rate comparison tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Calculator+

[App page](https://appshunter.io/ios/app/smart-calculator-plus/id6503145023)

This finance app offers real-time auto-calculation and a unique left-to-right input method, eliminating the need for an equals button. It features a comprehensive history log for reviewing and editing past calculations, along with memory functions and customizable themes.

**Highlights:** Real-time auto-calculation, Left-to-right input, History log with editing, Memory functions, Customizable color themes, Light and dark mode

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart Auto Calculator | $0.49 | per month |


## Frequently asked questions

### Is CD Check free?

CD Check costs $0.99, with no in-app purchases.

### Is Smart Calculator+ free?

Smart Calculator+ is free to download, with in-app purchases available.

### Which has better reviews, CD Check or Smart Calculator+?

CD Check and Smart Calculator+ are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do CD Check or Smart Calculator+ have ads?

Neither CD Check nor Smart Calculator+ shows ads.

### Which is updated more often, CD Check or Smart Calculator+?

CD Check ships an update every 7 months, and Smart Calculator+ fortnightly. Most recently, CD Check was updated on November 1, 2026 and Smart Calculator+ on November 4, 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.*