Comparison

Sensor Chemstore vs Khrono

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

Head to head

About

Sensor Chemstore

Features

Read full description

Sensor Chemstore er en enkel app for å lese databladene dine, samt lagre dem for raskt oppslag.

About

Khrono

Features

Read full description

Khrono varsler deg om de viktigste nyhetene og debattene som angår universiteter, høgskoler, forskningsinstitutter, studentlivet, innovasjon — og alt annet som angår Kunnskaps-Norge.

Screenshots

Sensor Chemstore4 screens

Khrono2 screens

Verdict

The call

The clearest difference is ads: Sensor Chemstore at none against Khrono's shown. Khrono's advantage is update cadence (every 2 months vs every 6 months) and iOS requirement (15.1 vs 17.2). On price, 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

Sensor Chemstore ships an update every 6 months, Khrono every 2 months. The most recent releases landed on May 16, 2026 and September 15, 2026 respectively.

Scorecard3 real differences · 3 level

Sensor Chemstore versus Khrono: the parameters behind the verdict, then further details
Parameter	Sensor Chemstore	Khrono
Price	Free	Free
Update frequency	Every 6 months	Every 2 months — better
Ads	No — better	Yes
In-app purchases	No	No
Devices	iPhone, iPad	iPhone, iPad, iPod — better
Requires iOS	17.2	15.1 — better
Further details — not scored
Size	51 MB	39 MB
Age rating	4+	12+
Developer	Sensor Chemcontrol AS	AutoMagi Ltd.

In-app purchases

None

Sensor Chemstore

No in-app purchases

None

Khrono

No in-app purchases

Questions

Is Sensor Chemstore free?

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

Is Khrono free?

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

Do Sensor Chemstore or Khrono have ads?

Khrono shows ads; Sensor Chemstore does not.

Which is updated more often, Sensor Chemstore or Khrono?

Sensor Chemstore ships an update every 6 months, and Khrono every 2 months. Most recently, Sensor Chemstore was updated on May 16, 2026 and Khrono on September 15, 2026.