Graph vs HeatCond2D
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Graph
This app creates various types of graphs from numerical data. Users can easily input and edit data, then export their visualizations via email, print, or save them. It offers extensive graph types and interactive features for exploring data.
- Multiple 1D, 2D, and 3D graph types
- Data input and editing via table interface
- Interactive graph manipulation (rotate, zoom)
- Export graphs via email, print, or save
- AirDrop to Graph IDE on iPad
- Project-based data and preference organization
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Graph is straightforward: • Makes graphs from numbers. • Made by the data visualization expert - VVI®. • Touch-hold a graph to email, print or save to your Photo Album. • Plenty of built-in options. • AirDrop your graph to the most powerful data visualization application on the iPad, Graph IDE. FEATURES • Includes several 1D, 2D and 3D graph types such as bar, column, pie, line, area, scatter, 3D perspective scatter, trajectory and surface, volumetric, z-sliced cell, maps, linear, semi-log, x-log, log-log, polar, r-log, Gregorian date and many variations. • Data is pasted from the pasteboard and inserted and edited using a table interface. • Touch-hold a graph to export it to Graph IDE on the iPad. Graph IDE is the most powerful data visualization application for the iPad and gives access to a wide variety of graph types and graphical effects. (Graph IDE is separately available for the iPad). • Touch graphs to rotate, zoom, scroll and scan data. • Touch data graphics, such as lines and bars, to show data values. • Touch-hold a graph to copy, print, mail, AirDrop and save it to other applications. • Data and preferences are organized by project and each project is persistent and automatically saved so you can show and retrieve your settings and data on subsequent use. NOTE: Continued use of GPS running in the background can dramatically decrease battery life. The Location Tracking task requires GPS for its function.
HeatCond2D
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Create your section, apply thermal conditions, and find the temperatures for a section of a single material or composite materials. Supports metric and imperial unit conversion. Heat transfer model uses the two-dimensional (2D) finite difference method. Try the trial version for free and create your model today. Subscribe to the Pro Version to access feature to: - Analyse sections with more than 10 meshes. Pro Version Subscription (Auto-Renews) - Pro Version (1 Month) – Monthly Subscription - Pro Version (6 Months) – 6 Months Subscription - Pro Version (1 Year) – 1 Year Subscription Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
Graph and HeatCond2D are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Graph sells 1 one-off in-app purchase and HeatCond2D sells 5 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Graph ships an update monthly, HeatCond2D every 3 weeks. The most recent releases landed on October 6, 2026 and September 17, 2026 respectively.
| Parameter | Graph | HeatCond2D |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (15 ratings) — better | — |
| Positive reviews | 30.1% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 26.0 |
| Further details — not scored | ||
| Size | 35 MB | 86 MB |
| Age rating | 4+ | 4+ |
| Developer | VVI, INC. | Intellicreed Sdn. Bhd. |
Bugs and requests
Graph
Reported bugs
27 issues- Numbers disappear when entered
- App crashes
- Pie graph missing
- Export function doesn't work
- Data sheet not intuitive
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- Cannot scroll data sheet
- Buttons too tiny
- No obvious way to relabel columns
- Cannot add labels
- Graphics are terrible
- No tutorial
- Instructions are complex
- Unable to use
- Data gets randomly erased
- Doesn't keep data once entered
- Data gets randomly erased as it's being entered
- Doesn't save entered data
- Entered data disappears once written
- Table cannot be edited
- Cannot enter data in a table
- X values are flipped
- Graph doesn't look as it should
- Full of bugs
- Nothing worked as wanted
- Saving-stuff disappears
- Cannot plot points on the graph
- Doesn't show graph, only example
Requested features
14 requests- Make it more simple
- Add pie graph option
- Improve data sheet intuitiveness
- Allow relabeling of columns
- Add tutorials
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- Export function to work
- Ability to edit graph labels
- Dark mode option
- Ability to plot two sets of data on the same x-y axis
- Easier way to enter data
- Add tutorial for data entry and graph setup
- Ability to export charts to other applications
- Ability to save multiple charts
- Import data from spreadsheets
HeatCond2D
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Graph
- Additional Features$5.99
HeatCond2D
- Pro Version (1 Week)$6.997 Days
- Pro Version (1 Month)$24.991 Month
- Pro Version (3 Months)$49.993 Months
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- Pro Version (6 Months)$74.996 Months
- Pro Version (1 Year)$99.991 Year
