Comparison

Coretime Mobile vs C365 OnSite

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

Head to head
About

Coretime Mobile

This app allows for on-the-go time and expense management, syncing seamlessly with your existing Coretime system. It offers a clean interface for easy entry and submission of time and expenses against projects, phases, and activities.

Highlights
  • Enter time and expense
  • Manage projects, phases, activities
  • Submit for approval
  • Sync with Coretime system
  • Secure data connection
Features
Read full description

** IMPORTANT ** Use of this app requires Coretime have the relevant licence entitlement, provided by Onesys Limited ** Coretime Mobile provides always on, on-the-go time and expense management that you can use interchangeably with the way you normally use your Coretime system. Our app provides a fresh, clean user experience that makes the task of time and expense entry even easier. Features β€’ Enter time and expense against multiple Projects, Phases and Activities β€’ Submit time and expense for approval β€’ All your existing Coretime controls are replicated (e.g. budgets and access restrictions) β€’ Data automatically synchronized with your On Premise Coretime system β€’ All data is sent via a secure connection (requires SSL certificate) Steps β€’ Please contact Onesys on 01423 330335 Option 1 to start the process β€’ Licence agreement must be in place

About

C365 OnSite

This platform digitizes data collection for field workers, replacing paper forms with electronic data capture on mobile devices. It enhances data quality with multimedia, calculations, and e-signatures, and offers offline functionality for seamless integration with back-office operations.

Highlights
  • Digital data collection
  • Multimedia data capture (photos, video, audio)
  • Offline work capability
  • Drag-and-drop form builder
  • E-signature tool
  • Barcode and QR code scanning
  • Cloud storage
Features
Read full description

C365 Onsite is a low cost mobile platform with off the shelf and bespoke form that enables field-based workers in any industry to collect data digitally on a mobile or tablet device. It improves data transfer between your field and back-office operations by replacing paper driven processes with Electronic Data Capture, used by organisations with small field teams ranging to large enterprise mobile workforces. The data captured and forms created can utilise the C365Cloud task management system or integrate into alternate enterprise and planning systems. C365 Onsite the following functionality; β€’ Enhance the quality of your data - Capture a range of media rich content such as photos, videos and audio. β€’ Go further with data collection - Apply free text fields, currency fields, perform calculations and sketch with the drawing tool. β€’ Features beyond paper forms - Annotate and edit photos; collect signatures with an e-signature tool; scan barcodes and QR codes. β€’ PAF Postcode lookup – Validate UK postcodes on your device as Formation Mobile connects with a leading database. β€’ Work offline – Formation Mobile functions without an Internet Connection meaning you can collect and store data anytime. β€’ View form status – A simple user dashboard gives an overview of all forms sent by FMS and saved on your mobile application. β€’ Cloud Storage – Your data is saved securely on the mobile device and then transferred securely to the FMS and Formation Cloud. β€’ Form Creation – β€˜Drag and drop’ form builder. β€’ Branding – Customise Formation with your company colours and logos. β€’ Multi-lingual – Convert forms into other European alphabets. β€’ User management – Control access to Formation with individual user access rights. β€’ Output designer – Create templates to output completed forms in PDF or Word format. β€’ Currency exchange – Manage financial data according to current exchange rates. β€’ Multi-media – View photos, videos and documents collected on the mobile device.

Screenshots

Coretime Mobile4 screens
C365 OnSite3 screens

Verdict

The call

The clearest difference is review sentiment: C365 OnSite at 100% against Coretime Mobile's 0%. Coretime Mobile's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Coretime Mobile ships an update every 2 weeks, C365 OnSite every 2 months. The most recent releases landed on June 1, 2026 and August 17, 2026 respectively.

Scorecard2 real differences Β· 6 level
Coretime Mobile versus C365 OnSite: the parameters behind the verdict, then further details
ParameterCoretime MobileC365 OnSite
PriceFreeFree
Positive reviews0.0% of reviews100.0% of reviews β€” better
Update frequencyEvery 2 weeks β€” betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 β€” better11.0
Further details β€” not scored
Size64 MB16 MB
Age rating4+4+
DeveloperOnesys LimitedEnergy & Compliance Technology Ltd

Customer experience

Coretime Mobile

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

C365 OnSite

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Coretime Mobile

No in-app purchases

None

C365 OnSite

No in-app purchases

Questions

Is Coretime Mobile free?
Coretime Mobile is free to download, with no in-app purchases.
Is C365 OnSite free?
C365 OnSite is free to download, with no in-app purchases.
Do Coretime Mobile or C365 OnSite have ads?
Neither Coretime Mobile nor C365 OnSite shows ads.
Which is updated more often, Coretime Mobile or C365 OnSite?
Coretime Mobile ships an update every 2 weeks, and C365 OnSite every 2 months. Most recently, Coretime Mobile was updated on June 1, 2026 and C365 OnSite on August 17, 2026.

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