Comparison

Let's Congress vs Jar Tracking

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

Head to head

Let's Congress

Let's Congress (for attendees)

About

Let's Congress

Features

Read full description

Basic congress features as program, attendee QR, "check my time", receive my certificate, evaluate sessions, speaker list, workshop declaration, print my badge and more...

About

Jar Tracking

Features

Read full description

Jar Tracking mobile app is an app for subscribers only. It will not work for you if you haven't subscribed first by contacting Jar Tracking. Once subscribed and authorized to use the mobile app, the app will present details of your assets, including location, sensors states and events. Privacy policy -https://my.jartracking.com/staticcontent/privacypolicy

Screenshots

Let's Congress4 screens

Jar Tracking4 screens

Verdict

The call

The clearest difference is update cadence: Let's Congress at every 2 months against Jar Tracking's every 17 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

Let's Congress ships an update every 2 months, Jar Tracking every 17 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

Scorecard1 real difference · 5 level

Let's Congress versus Jar Tracking: the parameters behind the verdict, then further details
Parameter	Let's Congress	Jar Tracking
Price	Free	Free
Update frequency	Every 2 months — better	Every 17 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.6	15.1 — better
Further details — not scored
Size	26 MB	32 MB
Age rating	4+	4+
Developer	Dimitris Tsimpidis	JAR Tracking Limited

In-app purchases

None

Let's Congress

No in-app purchases

None

Jar Tracking

No in-app purchases

Questions

Is Let's Congress free?

Let's Congress is free to download, with no in-app purchases.

Is Jar Tracking free?

Jar Tracking is free to download, with no in-app purchases.

Do Let's Congress or Jar Tracking have ads?

Neither Let's Congress nor Jar Tracking shows ads.

Which is updated more often, Let's Congress or Jar Tracking?

Let's Congress ships an update every 2 months, and Jar Tracking every 17 months. Most recently, Let's Congress was updated on October 29, 2026 and Jar Tracking on October 30, 2026.