EFIG vs Superheat Subcooling PT Chart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EFIG
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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.
Superheat Subcooling PT Chart
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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
Verdict
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
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.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 8, 2026 and October 29, 2026 respectively.
| Parameter | EFIG | Superheat Subcooling PT Chart |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.4 — better | 16.0 |
| Further details — not scored | ||
| Size | 16 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Unisource Solutions | HD YAPIMCILIK VE TEKNOLOJI ITHALAT IHRACAT TICARET LIMITED SIRKETI |
In-app purchases
EFIG
No in-app purchases
Superheat Subcooling PT Chart
- Superheat Pro — Monthly$2.991 Month
- Superheat Pro — Yearly$14.991 Year
- Superheat Pro — Lifetime$29.99
Questions
Is EFIG free?
Is Superheat Subcooling PT Chart free?
Do EFIG or Superheat Subcooling PT Chart have ads?
Which is updated more often, EFIG or Superheat Subcooling PT Chart?
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