# CalcVerter vs Countdown Pro

The clearest difference is rating: CalcVerter at 4.5 against Countdown Pro's 3.6. Countdown Pro's advantage is update cadence (every 4 days vs monthly). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. CalcVerter sells 16 in-app purchases, starting at $0.99 per month and Countdown Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

CalcVerter holds the better App Store score, 4.5 against 3.6. Both are backed by a comparable volume of ratings — 13 and 5 respectively. Written reviews split almost evenly too, at 82% and 81% positive.

CalcVerter ships an update monthly, Countdown Pro every 4 days. The most recent releases landed on August 27, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | CalcVerter | Countdown Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (13 ratings)](https://appshunter.io/ios/app/calcverter/id1006610733/reviews)** | [3.6 (5 ratings)](https://appshunter.io/ios/app/countdown-pro-widget-and-timer/id6755376859/reviews) |
| Number of ratings | **13** | 5 |
| Positive reviews | **81.8% of reviews** | 81.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 161 MB | 42 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [loay setrak](https://appshunter.io/developer/923932983) | [Rich Soft Co., Ltd](https://appshunter.io/developer/1499019813) |

## What reviewers say

### CalcVerter

[App page](https://appshunter.io/ios/app/calcverter/id1006610733)

This comprehensive utility app offers a vast array of tools for calculations, conversions, and scientific exploration. It features customizable calculators, unit and base converters, time zone tools, and a science hub with constants and a periodic table. Personalize your experience with themes, widgets, and advanced statistics.

**Highlights:** Customizable calculators with multiple registers, Extensive unit and base conversion tools, Time zone and date calculation utilities, Science hub with constants and periodic table, Password, UUID, and random number generators, QR code creation and scanning, Advanced statistics and data visualization

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Premium | $0.99 | per month |
| 6 Months Premium | $3.99 | per 6 months |
| 1 Year Premium | $6.99 | per year |
| Premium (Previous Purchasers) | Free | one-time |
| Small Tip | $0.99 | one-time |
| Elements Pack | $1.99 | one-time |
| Generators Pack | $1.99 | one-time |
| Date & Time Pack | $1.99 | one-time |
| Developer Pack | $1.99 | one-time |
| Statistics Pack | $1.99 | one-time |
| Theme Pack | $1.99 | one-time |
| Converter Pack | $2.99 | one-time |
| Calculator Pack | $2.99 | one-time |
| Formulas Pack | $2.99 | one-time |
| Enormous Tip | $6.99 | one-time |
| Lifetime Premium | $14.99 | one-time |


### Countdown Pro

[App page](https://appshunter.io/ios/app/countdown-pro-widget-and-timer/id6755376859)

Track important upcoming and past events with customizable countdowns. Monitor days remaining or elapsed for birthdays, holidays, goals, and more. Organize your dates with tags and filters, and view them on your home screen.

**Highlights:** Unlimited countdowns, Days-left and days-since tracking, Emoji, photo, and color customization, Home Screen and Lock Screen widgets, Repeating events and reminders, Shareable countdown cards, Offline use

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Widget Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is CalcVerter free?

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

### Is Countdown Pro free?

Countdown Pro is free to download, with in-app purchases available.

### Which has better reviews, CalcVerter or Countdown Pro?

CalcVerter is rated higher. CalcVerter averages 4.5 out of 5 from 13 ratings, while Countdown Pro averages 3.6 from 5 ratings.

### Do CalcVerter or Countdown Pro have ads?

Neither CalcVerter nor Countdown Pro shows ads.

### Which is updated more often, CalcVerter or Countdown Pro?

CalcVerter ships an update monthly, and Countdown Pro every 4 days. Most recently, CalcVerter was updated on August 27, 2026 and Countdown Pro on September 24, 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.*