Comparison

Text Calculator vs OctoApp for OctoPrint/Klipper

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Text Calculator

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
Read full description

This is a full text calculator. Just enter your formula in the text box and tap the '=' button (or 'Return' on the keyboard). It keeps a history of your calculations. This way you can check for typos and errors in your calculations. Features: - Just tap the result or formula in the history to reuse it. - Email the history for backup or further processing - You can use the Google calculator as well (e.g. for unit conversions). - Available functions: sin, cos, tan, asin, acos, atan, sqrt, exp, log, pow, abs, round, ceil, floor, random - Available constants: PI, E, LN2, LN10, LOG2E, LOG10E, SQRT2, SQRT1_2 - iPad split screen support - Support iPhone 6 and 6+

About

OctoApp for OctoPrint/Klipper

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
Read full description

OctoApp is build with iOS in mind and is completely optimized for being used on a iPhone or iPad. The app supports OctoPrint and Klipper (Moonraker, Mainsail and Fluidd), Bambu Lab and Elegoo printers. The UI is structured into three workspaces: Connect, Prepare, Print. The Connect workspace helps you get your printer connected to OctoPrint and as soon as a printer is available OctoApp will move to the Prepare workspace. Here you can get ready for your next print! Heat your hotend, swap filament or level the bed. When you are ready and start your print, OctoApp shows the Print workspace where you can control and tune your print! This concepts allows for a simple and fast UI while not sacrificing on features! OctoApp already offers you: + Easy print preparation + Control your print + Full file access and management + Full terminal access + Flow rate, Feed rate and fan controls + Webcam support (also muticam support) + Dark mode + High performance + Notifications about your print and filament + Gcode Viewer + Support for multiple printers + Many power control plugins like PSU Control or IKEA Tradfri + Automatic lights + PrintTimeGenius support + Support for many of your favourite plugins, like ArcWelder or SpoolManager + Remote connection with supported plugin or manual setup, the app switches automatically + OctoEverywhere integration + Obico integration + Works with VPNs, HTTPS and Basic Auth + And much, much more! There is a new feature update roughly 4-8 weeks! Let me know what you are missing! Important notice for remote connections: The app does not provide required servers. You can either set something up yourself and provide the app with a URL reachable over the internet or use a plugin like OctoEverywhere, The Spaghetti Detective or ngrok. --- OctoApp is made for and compatible with but not officially associated with OctoPrint. OctoPrint is a registered trademark. Learn more at octoprint.org OctoApp is not associated with Obico, Bambu Lab, OctoEverywhere, Elegoo or other services integrated --- https://octoapp.eu/terms/

Screenshots

Text Calculator4 screens
OctoApp for OctoPrint/Klipper4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard8 real differences · 2 level
Text Calculator versus OctoApp for OctoPrint/Klipper: the parameters behind the verdict, then further details
ParameterText CalculatorOctoApp for OctoPrint/Klipper
Price$0.99Free — better
Rating2.0 (3 ratings)4.9 (1.3K ratings) — better
Positive reviews50.0% of reviews92.9% of reviews — better
Number of ratings31.3K — better
Update frequencyEvery 18 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS12.0 — better17.6
Further details — not scored
Size1 MB249 MB
Age rating4+4+
DeveloperPiet JonasErhard Christian Wurthner

Customer experience

Text Calculator

All ratings3 ratings
Positive0.0%
Neutral33.3%
Negative66.7%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

OctoApp for OctoPrint/Klipper

All ratings1,308 ratings
Positive97.2%
Neutral2.0%
Negative0.8%
Written reviews99 reviews
Positive92.9%
Neutral3.0%
Negative4.0%

Bugs and requests

Text Calculator

Not enough reviews yet to summarise bugs or requests.

OctoApp for OctoPrint/Klipper

Reported bugs

2 issues
  • Incorrect notifications for print progress
  • Compatibility issues with some printer models

Requested features

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

In-app purchases

None

Text Calculator

No in-app purchases

8 purchases

OctoApp for OctoPrint/Klipper

Subscriptions2
  • Support for 1 month$0.991 Month
  • Support for 1 year7 Days trial$6.991 Year
One-time6
  • All features (Transfer)Free
  • Tip the developer$1.99
  • All features$11.99
Show 3 more
  • All features8 variants$12.99
  • All features$14.99
  • All features$17.99

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.

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