# 快速计算器QuickCalc vs Nenrin

The clearest difference is in-app purchases: 快速计算器QuickCalc at none against Nenrin's 1. 快速计算器QuickCalc also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Nenrin sells 1 one-off in-app purchase. 快速计算器QuickCalc asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 快速计算器QuickCalc | Nenrin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/nenrin-same-day-every-year/id6815127912/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 6 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [pan yuan](https://appshunter.io/developer/1780818362) | [鹏鹏 任](https://appshunter.io/developer/6786505668) |

## What reviewers say

### 快速计算器QuickCalc

[App page](https://appshunter.io/ios/app/quickcalc/id6747433566)

**In-app purchases:** none


### Nenrin

[App page](https://appshunter.io/ios/app/nenrin-same-day-every-year/id6815127912)

This app functions as a unique diary, organizing entries into 365 Markdown files, one for each day of the year. It allows you to revisit past entries for any given date, see your writing history through a heatmap, and search across all your years of writing. It also offers a home-screen widget and nightly reminders to encourage consistent journaling.

**Highlights:** Daily Markdown file organization, Cross-year entry viewing, Yearly writing heatmap, Full-text search across years, Home-screen widget, Nightly writing reminders, Plain Markdown export

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nenrin Pro Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is 快速计算器QuickCalc free?

快速计算器QuickCalc is free to download, with no in-app purchases.

### Is Nenrin free?

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

### Do 快速计算器QuickCalc or Nenrin have ads?

Neither 快速计算器QuickCalc nor Nenrin shows ads.

### Which is updated more often, 快速计算器QuickCalc or Nenrin?

快速计算器QuickCalc ships an update every 3 days, and Nenrin every 3 days. Most recently, 快速计算器QuickCalc was updated on October 25, 2026 and Nenrin on October 26, 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.*