Comparison

GraphPower vs Hologo

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

Head to head
About

GraphPower

This educational tool empowers students to create various types of graphs, including bar, line, circle, and histograms. It allows for active learning by enabling users to input data, set scales, choose colors, and add titles and labels. A curriculum is also provided for teachers.

Highlights
  • Create bar, line, circle graphs, and histograms
  • Input custom data and set scales
  • Add graph titles, subtitles, and axis labels
  • Generate hypothetical graphs and random data
  • Save created graphs
  • Includes K-8 curriculum with lesson ideas
Features
Read full description

GraphPower provides teachers and parents with an educational tool for teaching data analysis and for developing skill in reading and interpreting graphs. Students can enter their own data and instantly see a graph by tapping an icon. When using GraphPower teachers will want to direct students to build bar graphs, line graphs, circle graphs, and histograms. Active learning begins by entering the data for the graph, setting an appropriate scale, choosing colors and other related activities to create a graph. Based on Common Core Standards GraphPower gives kids the power to build and save graphs on their iPads. A complete curriculum provides K-8 teachers with lesson ideas and a variety of projects. Types of Graphs •Bar Graphs •Line Graphs •Circle Graphs •Histograms Options to enter: •Graph Title •Graph Subtitle •y-axis Label •x-axis Label •Scale •Data for the Graph Statistical Topics: •Mean •Median •Mode •Range •Minimum •Maximum Fun Features: In addition to making their own graphs, while using GraphPower students can scroll through a set of icons and then tap the icon to automatically set up a hypothetical graph. Next, tap the dice to generate random numbers for the graph and edit the graph with a titles and labels.

About

Hologo

This app provides a safe AI learning companion for children. Kids can engage in natural conversations, ask questions, and explore concepts through augmented reality, fostering deeper understanding and curiosity across various subjects.

Highlights
  • Kid-safe conversational AI
  • Immersive AR exploration
  • Curiosity-driven learning
  • Natural question-asking
  • Visual understanding
Features
Read full description

Hologo is a safe AI learning buddy designed just for kids. Children can talk to AI, ask questions naturally, and explore ideas through immersive AR — helping them truly understand, not just memorize. Built for families, Hologo turns screen time into meaningful learning by combining: • Kid-safe conversational AI • Visual, AR-powered understanding • Curiosity-driven learning across subjects AI comes first. AR brings it to life. Learning feels natural, confident, and fun.

Screenshots

Hologo4 screens

Verdict

The call

The clearest difference is price: Hologo at Free against GraphPower's $2.99. Hologo also leads on rating (4.4 vs 1.0) and review sentiment (61% vs 25%). GraphPower's advantage is in-app purchases (none vs 5). On ads 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

Hologo is free to download; GraphPower costs $2.99 up front. Hologo sells 4 in-app purchases, starting at $9.99 per month. GraphPower asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Hologo holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: Hologo has 194 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 25% of GraphPower's written reviews are positive against 61% of Hologo's.

UpkeepUpdate frequency

GraphPower ships an update every 6 months, Hologo monthly. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

Scorecard8 real differences · 2 level
GraphPower versus Hologo: the parameters behind the verdict, then further details
ParameterGraphPowerHologo
Price$2.99Free — better
Rating1.0 (1 ratings)4.4 (194 ratings) — better
Positive reviews25.0% of reviews60.7% of reviews — better
Number of ratings1194 — better
Update frequencyEvery 6 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS12.0 — better13.0
Further details — not scored
Size40 MB319 MB
Age rating4+4+
DeveloperVentura Educational SystemsHologo World, Inc

Customer experience

GraphPower

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

Hologo

All ratings194 ratings
Positive82.5%
Neutral4.6%
Negative12.9%
Written reviews140 reviews
Positive60.7%
Neutral7.9%
Negative31.4%

Bugs and requests

GraphPower

Not enough reviews yet to summarise bugs or requests.

Hologo

Reported bugs

4 issues
  • Downloading issues
  • Crashes on launch
  • Doesn't load past country/language selection
  • Models and features don't work as expected

Requested features

4 requests
  • Add more topics like psychology, astronomy, etc.
  • Improve stability and reduce crashes
  • Add support for more languages
  • Provide pricing information upfront

In-app purchases

None

GraphPower

No in-app purchases

4 purchases

Hologo

Subscriptions2
  • Premium Student Access2 variants$9.991 Month
  • Premium Teacher Subscription$9.991 Month
One-time2
  • Student Subscription$9.99
  • Teacher Subscription$9.99

Questions

Is GraphPower free?
GraphPower costs $2.99, with no in-app purchases.
Is Hologo free?
Hologo is free to download, with in-app purchases available.
Which has better reviews, GraphPower or Hologo?
Hologo is rated higher. GraphPower averages 1.0 out of 5 from 1 ratings, while Hologo averages 4.4 from 194 ratings.
Do GraphPower or Hologo have ads?
Neither GraphPower nor Hologo shows ads.
Which is updated more often, GraphPower or Hologo?
GraphPower ships an update every 6 months, and Hologo monthly. Most recently, GraphPower was updated on October 23, 2026 and Hologo on October 20, 2026.

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