Comparison

HappyKey vs Eyes Up Here

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

Head to head
About

HappyKey

This app offers a specialized keyboard for easily inputting a wide range of mathematical symbols. It includes numbers, operators, pi, infinity, and more, simplifying the process of writing math notation on your device.

Highlights
  • Specialized math symbol keyboard
  • Includes numbers and operators
  • Supports pi and infinity symbols
  • Simplifies math notation input
  • Customizable keyboard layout
Read full description

HappyKey provides you with a simple keyboard with many useful math symbols. It will fulfill all of your math notation needs with numbers, superscripts, pi, math operators and relations, infinity, and beyond. Install the app first, then to setup the keyboard go to Settings > General > Keyboard > Keyboards > Add New Keyboard > HappyKey Note: This is not a calculator. This is an additional keyboard that makes it easier to type math notation. Credit for the keyboard functionality and design goes to the open source Tasty Imitation Keyboard by Alexei Baboulevitch (GitHub user archagon).

About

Eyes Up Here

This app offers guided video training to improve eye contact, conversational presence, and attentive listening. It features privacy-focused tracking and quizzes to reinforce learning, helping users build better focus and make others feel comfortable.

Highlights
  • Video-based training chapters
  • Privacy-focused eye-level attention tracking
  • On-device data storage
  • Pre-session alignment check
  • Listening quiz
  • Progress tracking
  • Chapter unlock flow
Read full description

Eyes Up Here is a guided training app for building better eye contact, calmer presence, and more respectful conversational habits. The app uses short video-based chapters to help users practice staying attentive at eye level during realistic one-on-one interactions. Each session checks visual discipline first, then tests listening and recall through a short quiz. This is not about performance or pickup lines. It is about self-control, attention, and how to make other people feel comfortable in conversation. Features: Video-based training chapters Privacy focussed Eye-level attention tracking No data obtained as all details/ data/ records stays on device Pre-session alignment check Listening quiz after successful eye-contact pass Progress tracking across chapters Chapter unlock flow for structured improvement Lifetime unlock for all current and future chapters The goal is simple: better focus, better listening, better character.

Screenshots

HappyKey3 screens
Eyes Up Here3 screens

Verdict

The call

The clearest difference is review sentiment: Eyes Up Here at 100% against HappyKey's 50%. Eyes Up Here also leads on update cadence (every 3 months vs every 8 months). HappyKey's advantage is in-app purchases (none vs 1). On price, ads, device support and iOS requirement 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

Both are free to download. Eyes Up Here sells 1 one-off in-app purchase. HappyKey asks for nothing beyond the download.

UpkeepUpdate frequency

HappyKey ships an update every 8 months, Eyes Up Here every 3 months. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

Scorecard4 real differences · 6 level
HappyKey versus Eyes Up Here: the parameters behind the verdict, then further details
ParameterHappyKeyEyes Up Here
PriceFreeFree
Rating3.7 (9 ratings) — better—
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings9 — better—
Update frequencyEvery 8 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS17.6 — better18.6
Further details — not scored
Size26 MB59 MB
Age rating4+4+
DeveloperAlexander BarattiMehul Chaturvedi

Customer experience

HappyKey

All ratings9 ratings
Positive66.7%
Neutral11.1%
Negative22.2%
Written reviews12 reviews
Positive50.0%
Neutral25.0%
Negative25.0%

Eyes Up Here

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

HappyKey

No in-app purchases

1 purchases

Eyes Up Here

One-time1
  • Lifetime Unlock$9.99

Questions

Is HappyKey free?
HappyKey is free to download, with no in-app purchases.
Is Eyes Up Here free?
Eyes Up Here is free to download, with in-app purchases available.
Do HappyKey or Eyes Up Here have ads?
Neither HappyKey nor Eyes Up Here shows ads.
Which is updated more often, HappyKey or Eyes Up Here?
HappyKey ships an update every 8 months, and Eyes Up Here every 3 months. Most recently, HappyKey was updated on November 1, 2026 and Eyes Up Here on November 5, 2026.

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