Comparison

GDT Calendar vs SunSights Helper

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

Head to head
About

GDT Calendar

This app provides a comprehensive guide to Cambodia's tax return deadlines and public holidays. It details the start and end dates for various tax types, offering timely alerts for self-assessment taxpayers. Stay informed about important dates for patent tax, VAT, and more.

Highlights
  • Tax return start and deadline notifications
  • Alerts for self-assessment system
  • Covers various tax types (Patent, VAT, Profit, etc.)
  • Includes Cambodia public holidays
  • Lists Buddhist days
  • Information on Property Tax and Withholding Tax
Features
Read full description

The Cambodia Taxation Calendar is an application which describes start, deadline and alert notification of Cambodia taxreturn date for self assessment system. It is also including the Cambodia public holidays and Buddhist days. Application Features : Description of start and deadline of Cambodia taxreturn such as: • Patent Tax • Tax on profit • Property tax • Prepayment of profit tax • Withholding tax • Tax on salary • Value Added Tax • Accommodation Tax • Public Lighting Tax • Specific Tax on certain Merchandises and Services

About

SunSights Helper

Features
Read full description

SunSights Helper is a Solar PV app. SunSights Helper helps you to work and manage your technical and sales requirement wherever you are. SunSights Helper is a marketplace and a common platform that connects Consumers, PV Installers, DisComs and State Nodal Agencies. SunSights Helper app allows user to: 1. Create Solar PV (SPV) Design (Map based UI to calculate the size of the SPV system that can be installed) 2. Calculate Savings and Payback of investment 3. Get verified Solar PV Installers and quotes 4. Financial Analysis 5. Generate techno-commercial report 6. Manage solar sales with mobile, fast and colourful project management system The SunSights Helper App changes the way end customers and rooftop solar professionals work. Highlights and features of the app for Solar Professionals are listed below: 1. Lead Management 2. Financial analysis and tools to get cash flow, break-even analysis etc. 3. Use standard terms and conditions for your proposal 4. Energy output calculation 5. Customer proposal template in a customized form 6. Email a quote to your client right from your device within minutes of using this app 7. Project management via cloud technology to monitor the progress of the lead/project 8. Increase conversions with quick, detailed and professional offers Design and manage your sales with your smartphone or tablet wherever you are. Increase your work performance and make it more professional using SunSights Helper Solar Platform

Screenshots

GDT Calendar4 screens
SunSights Helper4 screens

Verdict

The call

The clearest difference is iOS requirement: GDT Calendar at 10.0 against SunSights Helper's 13.0. 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

GDT Calendar ships an update every 5 months, SunSights Helper every 7 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

Scorecard1 real difference · 9 level
GDT Calendar versus SunSights Helper: the parameters behind the verdict, then further details
ParameterGDT CalendarSunSights Helper
PriceFreeFree
Rating4.3 (10 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings10 — better—
Update frequencyEvery 5 months — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS10.0 — better13.0
Further details — not scored
Size15 MB58 MB
Age rating4+4+
DeveloperGeneral Department of TaxationSystem Level Solutions Pvt. Ltd.

In-app purchases

None

GDT Calendar

No in-app purchases

None

SunSights Helper

No in-app purchases

Questions

Is GDT Calendar free?
GDT Calendar is free to download, with no in-app purchases.
Is SunSights Helper free?
SunSights Helper is free to download, with no in-app purchases.
Do GDT Calendar or SunSights Helper have ads?
Neither GDT Calendar nor SunSights Helper shows ads.
Which is updated more often, GDT Calendar or SunSights Helper?
GDT Calendar ships an update every 5 months, and SunSights Helper every 7 months. Most recently, GDT Calendar was updated on November 1, 2026 and SunSights Helper on October 27, 2026.

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