Comparison

AGA vs HeatCond2D

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

Head to head
About

AGA

Features
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AGA-3 Orifice calculates size, flow-rate or pressure drop for gas and liquid flow orifice meters based on the American Gas Association AGA Report No. 3 (AGA-3) (also API Manual of Petroleum Measurement Standards, Chapter 14.3). Orifice Size is calculated from given flowrate and pressure drop, Flowrate is calculated from given size and pressure drop and Pressure Drop requires orifice size and flowrate. Different taps can be selected: Flange Taps and Pipe Taps. Fluids include gases: Natural Gas (Specific Gravity must be provided), Air and Nitrogen, or liquids: Crude Oil, Water, Methanol, Mono-ethylene Glycol, Diethylene Glycol and Triethylene Glycol. In addition, selecting orifice material will adjust the sizing parameter of the orifice depending on temperature. Customary or SI-units.

About

HeatCond2D

Features
Read full description

Create single or composite material sections with thermal conditions, and solve for temperature distributions using a two-dimensional (2D) finite difference heat transfer model with transient and steady-state solvers. Supports metric and imperial unit conversion. **Trial Version Features** Download the Trial Version for free and build models without limits. The Trial Version includes all Pro features, but running the analysis is limited to a maximum of 10 meshes. ** Pro Version Feature** Subscribe to the Pro Version to access feature to: - Run heat transfer analyses on models 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

AGA4 screens
HeatCond2D4 screens

Verdict

The call

The clearest difference is price: HeatCond2D at Free against AGA's $0.99. HeatCond2D also leads on update cadence (every 3 weeks vs every 15 months). AGA's advantage is in-app purchases (none vs 5) and chart position (#191 vs unranked). On ads and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

HeatCond2D is free to download; AGA costs $0.99 up front. HeatCond2D sells 5 in-app purchases, starting at $6.99 per 7 days. AGA asks for nothing beyond the download.

UpkeepUpdate frequency

AGA ships an update every 15 months, HeatCond2D every 3 weeks. The most recent releases landed on November 6, 2026 and October 24, 2026 respectively.

Scorecard5 real differences Β· 2 level
AGA versus HeatCond2D: the parameters behind the verdict, then further details
ParameterAGAHeatCond2D
Price$0.99Free β€” better
Update frequencyEvery 15 monthsEvery 3 weeks β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
Best chart rank#191 β€” betterβ€”
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.6 β€” better26.0
Further details β€” not scored
Size1 MB224 MB
Age rating17+4+
DeveloperBjarne BergeIntellicreed Sdn. Bhd.

In-app purchases

None

AGA

No in-app purchases

5 purchases

HeatCond2D

Subscriptions5
  • Pro Version (1 Week)$6.997 Days
  • Pro Version (1 Month)$24.991 Month
  • Pro Version (3 Months)$49.993 Months
Show 2 more
  • Pro Version (6 Months)$74.996 Months
  • Pro Version (1 Year)$99.991 Year

Questions

Is AGA free?
AGA costs $0.99, with no in-app purchases.
Is HeatCond2D free?
HeatCond2D is free to download, with in-app purchases available.
Do AGA or HeatCond2D have ads?
Neither AGA nor HeatCond2D shows ads.
Which is updated more often, AGA or HeatCond2D?
AGA ships an update every 15 months, and HeatCond2D every 3 weeks. Most recently, AGA was updated on November 6, 2026 and HeatCond2D on October 24, 2026.

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