Comparison

HerzComp 650 vs Proof TAB

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

Head to head
About

HerzComp 650

Read full description

Smart tool for balancing of heating and cooling systems. Balancing valves of heading European producers included. Successfully can be used for measuring of very small differential and gauge pressures.

About

Proof TAB

Features
Read full description

Proof helps field technicians and engineers perform Testing, Adjusting and Balancing (TAB) and Commissioning (Cx) work more efficiently, accurately, and professionally on site. Built to work seamlessly with its desktop companion, the app enables iPhone users to capture data in the field and sync it automatically to the desktop for streamlined review, reporting, and project coordination. Designed around real site needs and aligned with international standards, Proof supports a wide range of workflows, including: Packaged Units Air Handling Units (AHUs) Fresh Air AHUs Chillers and hydronic water systems Customizable forms Checklists Issue logs Site observations With Proof, teams can reduce paperwork, improve consistency, and deliver clearer, faster, and more reliable TAB and Cx documentation from site to office. A slightly more breakthrough marketing version: Proof transforms how TAB and Commissioning teams work on site. It gives technicians and engineers a faster, smarter way to collect, manage, and synchronize field data while working in full coordination with the desktop platform. Data captured on iPhone is automatically synced, helping teams move seamlessly from field execution to office review and final reporting. Developed to meet real project-site demands and support internationally recognized workflows, Proof covers key equipment and processes such as Packaged Units, AHUs, Fresh Air AHUs, chillers, water systems, custom forms, checklists, issue tracking, and site observations. From field data capture to final documentation, Proof helps deliver better accuracy, stronger consistency, and a more professional TAB and Cx process.

Screenshots

HerzComp 6504 screens
Proof TAB4 screens

Verdict

The call

The clearest difference is update cadence: Proof TAB at every 8 days against HerzComp 650's every 2 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

HerzComp 650 ships an update every 2 months, Proof TAB every 8 days. The most recent releases landed on September 19, 2026 and September 5, 2026 respectively.

Scorecard1 real difference · 5 level
HerzComp 650 versus Proof TAB: the parameters behind the verdict, then further details
ParameterHerzComp 650Proof TAB
PriceFreeFree
Update frequencyEvery 2 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.7 — better15.0
Further details — not scored
Size43 MB935 MB
Age rating4+4+
DeveloperSV TechnicsJawad Jaber

In-app purchases

None

HerzComp 650

No in-app purchases

None

Proof TAB

No in-app purchases

Questions

Is HerzComp 650 free?
HerzComp 650 is free to download, with no in-app purchases.
Is Proof TAB free?
Proof TAB is free to download, with no in-app purchases.
Do HerzComp 650 or Proof TAB have ads?
Neither HerzComp 650 nor Proof TAB shows ads.
Which is updated more often, HerzComp 650 or Proof TAB?
HerzComp 650 ships an update every 2 months, and Proof TAB every 8 days. Most recently, HerzComp 650 was updated on September 19, 2026 and Proof TAB on September 5, 2026.

Other comparisons