Comparison

Lenna Chat (Legacy) vs sProton

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

Head to head

About

Lenna Chat (Legacy)

Features

Read full description

Lenna Omni Channel Platform integrates all your business communication channels in a single dashboard. This allows you to monitor business from all communication channels and build deep and meaningful engagement with your customers.

About

sProton

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Proton application functions as a cutting-edge Customer Relationship Management (CRM) system, catering to a wide range of front-end tasks for users. From seamless provisioning and streamlined product management to efficient approval workflows.

Screenshots

Lenna Chat (Legacy)4 screens

sProton3 screens

Verdict

The call

The clearest difference is update cadence: sProton at monthly against Lenna Chat (Legacy)'s every 2 months. Lenna Chat (Legacy)'s advantage is iOS requirement (12.4 vs 15.6). 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

Lenna Chat (Legacy) ships an update every 2 months, sProton monthly. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 4 level

Lenna Chat (Legacy) versus sProton: the parameters behind the verdict, then further details
Parameter	Lenna Chat (Legacy)	sProton
Price	Free	Free
Update frequency	Every 2 months	Monthly — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	12.4 — better	15.6
Further details — not scored
Size	23 MB	41 MB
Age rating	4+	4+
Developer	SD Tech	Smartping Ai Private Limited

In-app purchases

None

Lenna Chat (Legacy)

No in-app purchases

None

sProton

No in-app purchases

Questions

Is Lenna Chat (Legacy) free?

Lenna Chat (Legacy) is free to download, with no in-app purchases.

Is sProton free?

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

Do Lenna Chat (Legacy) or sProton have ads?

Neither Lenna Chat (Legacy) nor sProton shows ads.

Which is updated more often, Lenna Chat (Legacy) or sProton?

Lenna Chat (Legacy) ships an update every 2 months, and sProton monthly. Most recently, Lenna Chat (Legacy) was updated on October 12, 2026 and sProton on October 24, 2026.