# 超会算 vs Countdown

The clearest difference is update cadence: 超会算 at every 3 days against Countdown's monthly. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. 超会算 sells 2 in-app purchases, starting at $0.99 per 7 days and Countdown sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for 超会算 against 5.0 for Countdown. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

超会算 ships an update every 3 days, Countdown monthly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 超会算 | Countdown |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/id6763838557/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/countdown-day-reminder/id6795744563/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 22 MB |
| Requires iOS | **16.0** | 16.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Wuhan Xingyun Technology Co., Ltd.](https://appshunter.io/developer/1853186645) | [liang zhenying](https://appshunter.io/developer/987036715) |

## What reviewers say

### 超会算

[App page](https://appshunter.io/ios/app/id6763838557)

This app offers a comprehensive suite of calculation tools, including standard, scientific, and dual calculators, alongside over 30 unit converters for everyday needs. It also provides specialized financial, health, and professional calculation modules, all within a privacy-focused, user-friendly interface.

**Highlights:** Standard, scientific, and dual calculators, 30+ unit and currency converters, Financial calculators (mortgage, interest, compound interest), Date and time calculations, Unit conversion for length, area, temperature, and more, High-precision calculations, Privacy-focused with no data collection

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calc Week Pro | $0.99 | per 7 days |
| Calc Pro | $0.99 | one-time |


### Countdown

[App page](https://appshunter.io/ios/app/countdown-day-reminder/id6795744563)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $0.99 | per month |
| 季度会员 | $2.99 | per 3 months |
| 年度会员 | $9.99 | per year |


## Frequently asked questions

### Is 超会算 free?

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

### Is Countdown free?

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

### Which has better reviews, 超会算 or Countdown?

超会算 and Countdown are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do 超会算 or Countdown have ads?

Neither 超会算 nor Countdown shows ads.

### Which is updated more often, 超会算 or Countdown?

超会算 ships an update every 3 days, and Countdown monthly. Most recently, 超会算 was updated on October 25, 2026 and Countdown on October 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.*