Comparison

EFIG vs Superheat Subcooling PT Chart

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

Head to head
About

EFIG

Features
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EFIG ® (Electric Fence Internet Gateway) application enables it’s users to communicate and control EFIG ® CPE (Customer Premises Equipment) to monitor and control Security Electric Fence Energizer through an internet connection. The CPE is designed to pick up essential parameters of fence energizer and upload those to a cloud based server. EFIG ® user app communicates with the cloud server and passes on essential information back & forth. Based on robust Open Source technologies at the server side and mobile apps at user end, EFIG ® is a perfect solution for home and industrial users of security electric fence. The app can request EFIG ® server for various types of notifications depending upon conditions on the electric fence. User may opt to get notification, call, or SMS for various states and has the ability to turn ON/OFF the system remotely with appropriate authentication. App user will also able to register complaints with the helpdesk of his/her service provider and know the progress status. A primary user of EFIG ® will also be able to register maximum two of his family members who will also be granted access to the information of their electric fence energizer. These secondary users will have limited access but they will be able to get all the notifications and alarms history.

About

Superheat Subcooling PT Chart

Features
Read full description

The HVAC tech's superheat & subcooling calculator — charge diagnosis and PT chart in one honest tool. Pick the refrigerant, enter your gauge pressure and line temperature, and read superheat, subcooling and saturation temperatures live. Choose the charging method — TXV/EEV (subcooling) or fixed orifice (superheat) — and get a clear verdict against the target: on target, check, or off target, with the direction: add charge or recover charge. A built-in PT quick-look table shows saturation temperatures around your reading, with separate dew/bubble columns for zeotropic blends. Works in °F/psi or °C/bar — one global toggle. FREE • R-410A with full superheat, subcooling and TXV charge diagnosis • PT chart around your gauge reading • Share results as text PRO • All 7 refrigerants: R-410A, R-32, R-454B, R-22, R-134a, R-407C, R-404A • Fixed-orifice target superheat table (indoor wet-bulb × outdoor dry-bulb) • Save readings to history • Share clean PDF reports Built for gloves and rooftop sun: big keypad, huge results, Outdoor Bright mode. Everything stays on your phone — fully offline, no account, no tracking. Results are a field aid; always verify targets with the manufacturer's data. ——— Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://hdappstudio.com/superheatcalc/privacy/

Screenshots

EFIG4 screens
Superheat Subcooling PT Chart4 screens

Verdict

The call

The clearest difference is in-app purchases: EFIG at none against Superheat Subcooling PT Chart's 3. EFIG also leads on iOS requirement (12.4 vs 16.0). On price, update cadence, ads and device support 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. Superheat Subcooling PT Chart sells 3 in-app purchases, starting at $2.99 per month. EFIG asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 8, 2026 and October 29, 2026 respectively.

Scorecard2 real differences · 4 level
EFIG versus Superheat Subcooling PT Chart: the parameters behind the verdict, then further details
ParameterEFIGSuperheat Subcooling PT Chart
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.4 — better16.0
Further details — not scored
Size16 MB10 MB
Age rating4+4+
DeveloperUnisource SolutionsHD YAPIMCILIK VE TEKNOLOJI ITHALAT IHRACAT TICARET LIMITED SIRKETI

In-app purchases

None

EFIG

No in-app purchases

3 purchases

Superheat Subcooling PT Chart

Subscriptions2
  • Superheat Pro — Monthly$2.991 Month
  • Superheat Pro — Yearly$14.991 Year
One-time1
  • Superheat Pro — Lifetime$29.99

Questions

Is EFIG free?
EFIG is free to download, with no in-app purchases.
Is Superheat Subcooling PT Chart free?
Superheat Subcooling PT Chart is free to download, with in-app purchases available.
Do EFIG or Superheat Subcooling PT Chart have ads?
Neither EFIG nor Superheat Subcooling PT Chart shows ads.
Which is updated more often, EFIG or Superheat Subcooling PT Chart?
EFIG ships an update every 2 months, and Superheat Subcooling PT Chart every 2 months. Most recently, EFIG was updated on October 8, 2026 and Superheat Subcooling PT Chart on October 29, 2026.

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