# Text Calculator vs OctoApp for OctoPrint/Klipper

The clearest difference is price: OctoApp for OctoPrint/Klipper at Free against Text Calculator's $0.99. OctoApp for OctoPrint/Klipper also leads on review sentiment (93% vs 50%) and rating (4.9 vs 2.0). Text Calculator's advantage is in-app purchases (none vs 15) and iOS requirement (12.0 vs 17.6). On ads and device support there is nothing between them.

OctoApp for OctoPrint/Klipper is free to download; Text Calculator costs $0.99 up front. OctoApp for OctoPrint/Klipper sells 8 in-app purchases, starting at $0.99 per month. Text Calculator asks for nothing beyond the download.

OctoApp for OctoPrint/Klipper holds the better App Store score, 4.9 against 2.0. That said, the two scores are not equally well evidenced: OctoApp for OctoPrint/Klipper has 1.3K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of Text Calculator's written reviews are positive against 93% of OctoApp for OctoPrint/Klipper's.

Text Calculator ships an update every 18 months, OctoApp for OctoPrint/Klipper every 10 days. The most recent releases landed on October 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Text Calculator | OctoApp for OctoPrint/Klipper |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/text-calculator/id312780942/reviews) | **[4.9 (1.3K ratings)](https://appshunter.io/ios/app/octoapp-for-octoprintklipper/id1658133862/reviews)** |
| Number of ratings | 3 | **1.3K** |
| Positive reviews | 50.0% of reviews | **92.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 10 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 249 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Erhard Christian Wurthner](https://appshunter.io/developer/1658133864) |

## What reviewers say

### Text Calculator

[App page](https://appshunter.io/ios/app/text-calculator/id312780942)

Enter mathematical formulas as text and get instant results. Review past calculations with a history feature for error checking and reuse. Supports advanced functions and constants, and can email your calculation history.

**Highlights:** Text-based formula input, Calculation history, Reuse past calculations, Email history, Advanced functions and constants, iPad split screen support

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

**In-app purchases:** none


### OctoApp for OctoPrint/Klipper

[App page](https://appshunter.io/ios/app/octoapp-for-octoprintklipper/id1658133862)

Control and monitor your 3D printer remotely with this advanced application. Prepare prints, manage files, and tune settings with a user-friendly interface optimized for mobile devices. Supports OctoPrint, Klipper, and various printer brands.

**Highlights:** Remote print monitoring and control, Easy print preparation, Full file and terminal access, Webcam and multi-cam support, Notifications for print and filament status, Gcode Viewer, Support for multiple printers and plugins

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support for 1 month | $0.99 | per month |
| Support for 1 year | $6.99 | per year |
| All features (Transfer) | Free | one-time |
| Tip the developer | $1.99 | one-time |
| All features | $11.99 | one-time |
| All features | $12.99 | one-time |
| All features | $14.99 | one-time |
| All features | $17.99 | one-time |

**What reviewers like**

- 🚀 Excellent remote monitoring and control
- 👍 Seamless integration with OctoPrint and plugins
- 💡 Customizable and flexible UI
- 🔒 Secure remote access with OctoEverywhere
- ⭐ Exceptional customer support

**What reviewers complain about**

- 🐛 Occasional connectivity issues
- 🔌 Unreliable remote access at times

**Reported bugs**

- Incorrect notifications for print progress
- Compatibility issues with some printer models

**Requested features**

- Add support for Klipper-based printer firmwares
- Implement iOS widgets for quick status checks
- Improve camera rotation options


## Frequently asked questions

### Is Text Calculator free?

Text Calculator costs $0.99, with no in-app purchases.

### Is OctoApp for OctoPrint/Klipper free?

OctoApp for OctoPrint/Klipper is free to download, with in-app purchases available.

### Which has better reviews, Text Calculator or OctoApp for OctoPrint/Klipper?

OctoApp for OctoPrint/Klipper is rated higher. Text Calculator averages 2.0 out of 5 from 3 ratings, while OctoApp for OctoPrint/Klipper averages 4.9 from 1.3K ratings.

### Do Text Calculator or OctoApp for OctoPrint/Klipper have ads?

Neither Text Calculator nor OctoApp for OctoPrint/Klipper shows ads.

### Which is updated more often, Text Calculator or OctoApp for OctoPrint/Klipper?

Text Calculator ships an update every 18 months, and OctoApp for OctoPrint/Klipper every 10 days. Most recently, Text Calculator was updated on October 7, 2026 and OctoApp for OctoPrint/Klipper on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*