Comparison

Alstom DBB vs sundayaOne

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

Head to head

Monitored Data of Solar Panel

Free

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About

Alstom DBB

Features

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Alstom have introduced a mobile application to record all Operator issues real-time and share Operational & Restriction based data to improve communication and visualize the status of the Train and associated Infrastructure, improving the reaction time to the Customer

About

sundayaOne

Features

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Sundaya App is the official online application of PT. Sundaya Indonesia, designed for registered sales representatives and customers of PT. Sundaya Indonesia. Some features available in Sundaya App include: • Product • Contact • Chats • CRM • BID • Project • Project Maps • System Data • My Job • Billing

Screenshots

Alstom DBB4 screens

sundayaOne4 screens

Verdict

The call

The clearest difference is iOS requirement: sundayaOne at 12.0 against Alstom DBB's 17.0. 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

Alstom DBB ships an update every 5 weeks, sundayaOne every 6 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard1 real difference · 5 level

Alstom DBB versus sundayaOne: the parameters behind the verdict, then further details
Parameter	Alstom DBB	sundayaOne
Price	Free	Free
Update frequency	Every 5 weeks — better	Every 6 weeks
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad	iPhone, iPad, iPod — better
Requires iOS	17.0	12.0 — better
Further details — not scored
Size	40 MB	69 MB
Age rating	4+	4+
Developer	Alstom Group	PT Sundaya Indonesia

In-app purchases

None

Alstom DBB

No in-app purchases

None

sundayaOne

No in-app purchases

Questions

Is Alstom DBB free?

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

Is sundayaOne free?

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

Do Alstom DBB or sundayaOne have ads?

Neither Alstom DBB nor sundayaOne shows ads.

Which is updated more often, Alstom DBB or sundayaOne?

Alstom DBB ships an update every 5 weeks, and sundayaOne every 6 weeks. Most recently, Alstom DBB was updated on November 3, 2026 and sundayaOne on November 4, 2026.