Numboard – Scientific Keyboardv1.5

Released November 24, 2019Major

iOS

The latest major update drove a 0.62-star increase in the average rating, moving the score from 1.67 to 2.29. Despite this improvement, the overall sentiment remains polarized due to persistent complaints about restrictive monetization. The update provides functional value through new keyboard symbols, but fails to resolve core friction points regarding the app's value proposition.

What changed

New featureFull keyboard customization allowing users to add, remove, or change symbols
PlatformSupport for iOS 13 and Dark Mode
PerformanceImproved speed for auto evaluation
PerformanceFixed crashes and bugs

Reception

46/ 100 impact scoreNeutral

What worked

New feature
Users cite the new math symbol keyboard as a convenient tool for academic tasks.

What didn't

UX
no evidence
The update fails to address user frustration regarding the restrictive paywall, which continues to drive negative sentiment.

How it played out

Retrospective analysisAugust 20, 2026

The average rating improved by 0.62 stars following the update, though sentiment remains polarized due to persistent concerns regarding the paywall structure. While some users find the math symbol keyboard helpful for academic tasks, others continue to describe the monetization model as a barrier to basic functionality. The overall rating remains low, indicating that feature additions have not fully addressed user frustration with the app's value proposition.

+0.62 ★

Sentiment shift

New praises (1)

Users appreciate the convenience of having specialized math symbols available for academic work.medium

New complaints (2)

Users report dissatisfaction with the lack of advanced formatting like subscripts and superscripts.medium

Reviewers allege the app is a money grab due to restrictive paywalls.high

Marlvel takeaways

Address user requests for advanced formatting, specifically subscripts and superscripts, to improve utility for academic users.
Reevaluate the paywall structure, as reviewers describe the current model as a barrier to basic functionality.
Increase sample size for future releases to move beyond the current low-volume, polarized feedback loop.

Original release notes

– New feature! You can FULLY customize your keyboard. Change, add or remove symbols. Make sure they're Unicode though.
– Full support for iOS 13 and Dark Mode.
– Improved speed for auto evaluation.
– Fixed some crashes and bugs.