Comparison

ST50i vs Sermes SIMALMO IoT

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

Head to head

About

ST50i

Features

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ST50i vous permet de vous connecter sur les machines STIM ST400, ST4100, ST4400, ST4600, IP602, IP603, IP604 et IP605 depuis votre iPhone.

About

Sermes SIMALMO IoT

Features

Read full description

SIMALMO IoT garde les fonctions originales de commande sms et de lecture sms offline. L’application permet lorsque la SIM dispose d’un abonnement internet, de se connecter au serveur, qui offre une bibliothèque de vues ou la possibilité de personnaliser sa propre vue. Un contrôle en temps réel permet de superviser les données, avec un minimum de datas.

Screenshots

ST50i3 screens

Sermes SIMALMO IoT4 screens

Verdict

The call

The clearest difference is iOS requirement: ST50i at 12.0 against Sermes SIMALMO IoT's 15.0. On price, update cadence, 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

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

ST50i ships an update every 4 months, Sermes SIMALMO IoT every 3 months. The most recent releases landed on May 15, 2026 and September 21, 2026 respectively.

Scorecard1 real difference · 5 level

ST50i versus Sermes SIMALMO IoT: the parameters behind the verdict, then further details
Parameter	ST50i	Sermes SIMALMO IoT
Price	Free	Free
Update frequency	Every 4 months	Every 3 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	12.0 — better	15.0
Further details — not scored
Size	2 MB	33 MB
Age rating	4+	4+
Developer	STIM	Dfi-Elec

In-app purchases

None

ST50i

No in-app purchases

None

Sermes SIMALMO IoT

No in-app purchases

Questions

Is ST50i free?

ST50i is free to download, with no in-app purchases.

Is Sermes SIMALMO IoT free?

Sermes SIMALMO IoT is free to download, with no in-app purchases.

Do ST50i or Sermes SIMALMO IoT have ads?

Neither ST50i nor Sermes SIMALMO IoT shows ads.

Which is updated more often, ST50i or Sermes SIMALMO IoT?

ST50i ships an update every 4 months, and Sermes SIMALMO IoT every 3 months. Most recently, ST50i was updated on May 15, 2026 and Sermes SIMALMO IoT on September 21, 2026.