# Tydlig vs 数字筛选助手

The clearest difference is price: 数字筛选助手 at Free against Tydlig's $1.99. 数字筛选助手 also leads on rating (5.0 vs 4.8) and review sentiment (100% vs 91%). Tydlig's advantage is ratings volume (2.6K vs 1) and iOS requirement (9.0 vs 16.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

数字筛选助手 is free to download; Tydlig costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

数字筛选助手 holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Tydlig has 2.6K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 91% of Tydlig's written reviews are positive against 100% of 数字筛选助手's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 25, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Tydlig | 数字筛选助手 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.8 (2.6K ratings)](https://appshunter.io/ios/app/tydlig/id721606556/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6741044772/reviews)** |
| Number of ratings | **2.6K** | 1 |
| Positive reviews | 91.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Paid | — |
| Size | 13 MB | 5 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Tydlig Software AB](https://appshunter.io/developer/922197427) | [明霞 高](https://appshunter.io/developer/1783087058) |

## What reviewers say

### Tydlig

[App page](https://appshunter.io/ios/app/tydlig/id721606556)

This app reimagines the calculator experience with a freeform canvas, dynamic results, and linked numbers. It allows for easy everyday calculations, real-time graphing, and annotation, making complex math visualization intuitive.

**Highlights:** Freeform canvas for calculations, Responsive and linked results, Real-time graphing, Infinite scrolling history, Annotate numbers with text, Slider for tweaking values, Export as PDF or image

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

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive and easy to use
- 🚀 Powerful and flexible
- 💡 Innovative approach to calculations
- 🔍 Ability to see calculation history
- 📊 Helpful graphing capabilities

**What reviewers complain about**

- 🔀 Lack of ability to save/load multiple canvases
- 🔀 No way to organize calculations into separate sheets/pages
- 🔀 Inability to add notes or labels to calculations
- 🐛 Occasional crashes and bugs
- 🔀 No support for fractions or complex math functions

**Reported bugs**

- Crashes when trying to use graphing feature
- Calculation history disappears after app restart
- Compatibility issues with newer iOS versions
- Labeling calculations with non-Latin characters causes display issues

**Requested features**

- Add support for multiple canvases/sheets to save and load calculations
- Implement ability to add notes, labels, and annotations to calculations
- Expand math functions to include fractions, combinations, permutations, etc.
- Introduce iCloud/cloud sync to access calculations across devices
- Add option to snap objects to a grid for better organization


### 数字筛选助手

[App page](https://appshunter.io/ios/app/id6741044772)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tydlig free?

Tydlig costs $1.99, with no in-app purchases.

### Is 数字筛选助手 free?

数字筛选助手 is free to download, with no in-app purchases.

### Which has better reviews, Tydlig or 数字筛选助手?

数字筛选助手 is rated higher. Tydlig averages 4.8 out of 5 from 2.6K ratings, while 数字筛选助手 averages 5.0 from 1 ratings.

### Do Tydlig or 数字筛选助手 have ads?

Neither Tydlig nor 数字筛选助手 shows ads.

### Which is updated more often, Tydlig or 数字筛选助手?

Tydlig ships an update monthly, and 数字筛选助手 monthly. Most recently, Tydlig was updated on September 25, 2026 and 数字筛选助手 on September 18, 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.*