FG Finder vs SmarTech
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FG Finder
Access instrument manuals, connection schematics, and training videos. Locate nearby resellers using GPS and calculate ideal expansion valves for cooling systems. Available in multiple languages.
- Instrument manual and schematic consultation
- Training video access
- GPS-based reseller locator
- Expansion valve calculator
- Multi-language support
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FG Finder was developed by Full Gauge Controls to make life easier for its customers, installers and resellers. With it you can easily consult the manual or schematic of the electrical connection of an instrument, as well as send a request for information or even watch a training video of the process of installing an instrument. You can also use GPS coordinate to locate the resale closest to you to purchase the product you need. It also has a calculator to identify which is the ideal expansion valve for your cooling system. FG Finder manuals are available in Portuguese, English and Spanish.
SmarTech
This app connects to a digital manifold to display accurate pressure and temperature readings. It offers real-time Superheat and Subcooling calculations, supports over 109 refrigerants, and features a "Smart Charge Zone" for optimal system charging. Users can also generate and export system performance reports.
- Real-time pressure and temperature readings
- Superheat and Subcooling calculations
- 109+ refrigerant types supported
- Smart Charge Zone indicator
- System performance reporting
- PDF/CSV report export
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The Uniweld SmarTech™ Digital Manifold App communicates with your SmarTech™ Digital Manifold to clearly display professionally accurate pressure and temperature readings in the palm of your hand. Monitor target and actual Superheat and Subcooling calculations in real-time, as pressure and temperature readings fluctuate. Choose from over 109 different refrigerant types and create a custom list of your most commonly used refrigerants. SMART CHARGE ZONE: All the guess work is taken out of properly charging the system with the color coded Smart Charge Zone feature. The difference between the target and actual Superheat or Subcooling is shown with color indicators that signal whether the system is overcharged (RED), undercharged (BLUE), or has an accurate "In The Zone" system charge (GREEN). REPORTING: Take your business to the next level with system performance reporting. Enter company details along with customer and equipment information and with one touch, produce a SmarTech™ Verified System Performance Report that is ready for export as a PDF or CSV file. Reports can easily be emailed for saving, tracking, or printing. Uniweld Products, Inc... "Quality Tools That Go To Work With You®". This app also works as a free, stand-alone P/T Calculator!
Screenshots
Verdict
The clearest difference is review sentiment: FG Finder at 100% against SmarTech's 25%. FG Finder also leads on rating (5.0 vs 3.6) and update cadence (every 4 months vs every 12 months). SmarTech's advantage is monetization model (free vs ad-supported). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
FG Finder holds the better App Store score, 5.0 against 3.6. Both are backed by a comparable volume of ratings — 4 and 9 respectively. Written reviews point the same way: 100% of FG Finder's written reviews are positive against 25% of SmarTech's.
FG Finder ships an update every 4 months, SmarTech every 12 months. The most recent releases landed on July 21, 2026 and June 1, 2026 respectively.
| Parameter | FG Finder | SmarTech |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 3.6 (9 ratings) |
| Positive reviews | 100.0% of reviews — better | 25.0% of reviews |
| Number of ratings | 4 | 9 — better |
| Update frequency | Every 4 months — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 16 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Full Gauge Controls | Uniweld Products, Inc. |
Customer experience
FG Finder
SmarTech
In-app purchases
FG Finder
No in-app purchases
SmarTech
No in-app purchases









