# Taculator 84 Graphing Calc vs Smart Digital ID

The clearest difference is review sentiment: Smart Digital ID at 100% against Taculator 84 Graphing Calc's 46%. Smart Digital ID also leads on in-app purchases (none vs 12). Taculator 84 Graphing Calc's advantage is rating (4.5 vs 2.0) and ratings volume (7.7K vs 24). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Taculator 84 Graphing Calc sells 7 in-app purchases, starting at $3.99 per month. Smart Digital ID asks for nothing beyond the download.

Taculator 84 Graphing Calc holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: Taculator 84 Graphing Calc has 7.7K ratings behind it against 24, so its average is the more settled of the two. Written reviews complicate that: 46% of Taculator 84 Graphing Calc's written reviews are positive against 100% of Smart Digital ID's, so the app with the better star average is not the one people write more warmly about.

Taculator 84 Graphing Calc ships an update every 3 weeks, Smart Digital ID every 5 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Taculator 84 Graphing Calc | Smart Digital ID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (7.7K ratings)](https://appshunter.io/ios/app/taculator-84-graphing-calc/id1457737367/reviews)** | [2.0 (24 ratings)](https://appshunter.io/ios/app/smart-digital-id/id6473683744/reviews) |
| Number of ratings | **7.7K** | 24 |
| Positive reviews | 45.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 57 MB | 41 MB |
| Requires iOS | 15.0 | **14.0.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Di Venisco UG (haftungsbeschrankt)](https://appshunter.io/developer/1449451480) | [Covantia, Inc.](https://appshunter.io/developer/1038526379) |

## What reviewers say

### Taculator 84 Graphing Calc

[App page](https://appshunter.io/ios/app/taculator-84-graphing-calc/id1457737367)

This advanced calculator app offers comprehensive tools for high school and college students, covering everything from pre-algebra to calculus and statistics. It features high-resolution graphing, matrix operations, and detailed statistical analysis, all accessible through an intuitive interface.

**Highlights:** Scientific and advanced math functions, High-resolution graphing and plotting, Matrix operations and storage, List, statistics, and distribution calculations, Integrated command catalog and help, Complex number support, Share calculations via text or email

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Taculator Pro - Monthly | $3.99 | per month |
| Taculator Pro - Monthly | $3.99 | per month |
| Taculator Pro - Yearly | $14.99 | per year |
| Taculator Pro - Yearly | $14.99 | per year |
| Taculator Pro - Yearly | $29.99 | per year |
| Taculator Pro | $29.99 | per year |
| Taculator Pro - Lifetime | $7.99 | one-time |

**What reviewers like**

- 🚀 Excellent implementation and familiar layout
- 💡 Customizable buttons and color scheme
- 👍 Helpful and life-saving calculator
- 🚀 Best on-the-go calculator

**What reviewers complain about**

- 🐛 Crashes when trying to graph or use certain functions
- 🔒 Requires subscription to access full functionality
- 🐛 Inaccurate calculations and wrong results
- 🐛 Inconsistent performance and unreliable

**Reported bugs**

- Cannot handle negative powers
- Keyboard issues on certain devices
- Errors when trying to clear lists
- Scaling and UI issues on some devices

**Requested features**

- Add apps and programming features
- Improve graphing capabilities
- Add support for degrees, minutes, and seconds
- Implement symbolic calculus and equation solving


### Smart Digital ID

[App page](https://appshunter.io/ios/app/smart-digital-id/id6473683744)

Manage your school ID and important information securely. Access your class schedule, grades, and events. Create digital passes for school facilities like the library and gym.

**Highlights:** Digital school ID management, Access class schedules, View grades and events, Create digital facility passes, Secure information storage

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

**In-app purchases:** none


## Frequently asked questions

### Is Taculator 84 Graphing Calc free?

Taculator 84 Graphing Calc is free to download, with in-app purchases available.

### Is Smart Digital ID free?

Smart Digital ID is free to download, with no in-app purchases.

### Which has better reviews, Taculator 84 Graphing Calc or Smart Digital ID?

Taculator 84 Graphing Calc is rated higher. Taculator 84 Graphing Calc averages 4.5 out of 5 from 7.7K ratings, while Smart Digital ID averages 2.0 from 24 ratings.

### Do Taculator 84 Graphing Calc or Smart Digital ID have ads?

Neither Taculator 84 Graphing Calc nor Smart Digital ID shows ads.

### Which is updated more often, Taculator 84 Graphing Calc or Smart Digital ID?

Taculator 84 Graphing Calc ships an update every 3 weeks, and Smart Digital ID every 5 weeks. Most recently, Taculator 84 Graphing Calc was updated on October 26, 2026 and Smart Digital ID 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.*