- List what you need: recording sales and costs, sending invoices, tracking who owes you money, and viewing reports. Pick the two or three that matter most.
- Check the language. The Paper.id entry in the free tools list states Bahasa Indonesia support, and its page is written in Indonesian. The entries for Wave, Zoho Invoice and Invoice Ninja do not state Bahasa Indonesia support.
- Check what the free plan allows. The Paper.id page says Paper Free costs nothing with limited features, payment provider fees still apply to transactions, and PaperPlus is the paid subscription. Invoice Ninja's Free plan covers 5 clients with unlimited invoicing, and its paid Pro plan adds unlimited clients.
- Check which devices it runs on. The Zoho Invoice page lists iOS and Android apps, Windows and Mac apps, and a web dashboard that keeps data up to date across devices. The Wave entry lists web and mobile.
- Check the cost of taking payments. The Wave page lists online payments as optional, with a fee per card payment and approval needed first. A free plan can still carry payment fees.
- Enter one week of real sales and invoices in your first choice before moving all your records. If it fits, continue. If not, try the next app on your list.
Selecting Apps
Compare cashier, bookkeeping and office apps, tell a free app from a trial, and check an app before you install it.
Selecting Apps
How Apps Make Money: Free, Trial, Subscription, Open Source
Commercial software companies fund their products through four main business models: recurring subscriptions, expiring trials, advertising data exchange, or community-supported open source.
- Model 1 (Monthly Subscription) lights: you pay a predictable recurring fee per seat or per month, receiving continuous updates, support, and cloud server hosting.
- Model 2 (Free Trial) lights: you access the full application free for a limited period, after which you must subscribe or lose operational access.
- Model 3 (Ad-Supported Free Tier) lights: you pay zero money upfront, while advertisers pay the vendor and gather user activity telemetry to target campaigns.
- Model 4 (Open Source) lights: source code is released free by its community, while your business provides its own server hosting and upkeep.
Model 1 (Monthly Subscription) lights: you pay a predictable recurring fee per seat or per month, receiving continuous updates, support, and cloud server hosting.
Next in This PathDefinition
Commercial software companies fund their products through four main business models: recurring subscriptions, expiring trials, advertising data exchange, or community-supported open source.
Everyday Comparison
Think of different ways to use shop equipment. You can rent a cash register monthly with free servicing, borrow it free for two weeks before paying full purchase price, accept a free machine that prints sponsor adverts on every receipt, or assemble a public blueprint yourself using your own workshop tools.
What It Means for Your Business
Knowing how an application funds its engineering helps you anticipate hidden costs, privacy risks, and pricing changes before embedding it in your daily routine. Free tools supported by advertising can monetize your customer data or change terms without warning, while paid subscriptions provide formal service level commitments. If you are choosing between several paid apps, see How We Can Help.
Examples
- Subscribing to an accounting SaaS platform with guaranteed uptime, automatic tax updates, and phone support
- Testing a project management app during a 14-day trial before rolling it out across warehouse teams
- Deploying a self-hosted open-source database on your own cloud server to maintain complete control over sensitive data
- Install from the official store of your phone, and take the link to the app from its official website. The Application & AI page on this site lists an official link for each free tool. Google says Play Protect runs a safety check on Play Store apps before you download them.
- On Android, open the app listing and find the Data safety summary, then tap See details. It shows what data the app collects, whether it shares data with third parties, whether data is encrypted in transit and how you can delete your data.
- On iPhone, open the app's product page on the App Store and read the privacy information section. It shows the types of data the app may collect, whether each type is linked to you and whether it is used to track you.
- Remember who wrote these sections. Google says developers declare the Data safety information, and an independent security review does not verify that it is accurate or complete. Apple says the privacy information is self-reported by the developer. Read the privacy policy, or contact the developer, if you need more detail.
- Compare the permissions list with what the app is for. Google says the permissions list can differ from the Data safety section. Play Protect may block unverified apps that ask for sensitive permissions often used by scammers for financial fraud.
- If you must install an app from outside Google Play, Play Protect may ask to send it to Google for review. Practise the checks on apps you already know, such as Signal (communication-collaboration) and Telegram (communication-collaboration), then use the same checks on every new app.
- Google Play Help, Data safety section
- Google Play Help, Google Play Protect
- Apple Support, About privacy information on the App Store and the choices you have to control your data
- Write down your numbers: how many items you sell, how many people use the till, which payments you accept, and whether you need stock tracking and reports.
- Check the item and user limits. The Kasir Pintar entry in the free tools list says the Free plan has 1 user, up to 1,000 items and 3 standard reports, supports Bahasa Indonesia, and covers QRIS and other payments. PRO and paid add-ons are the paid part.
- Check the devices. The Loyverse page says the POS app runs on iOS and Android phones and tablets, the back office runs in any web browser, and no special hardware is required. The page lists 30+ languages, and the free tools list marks Bahasa Indonesia support as yes.
- Check what stays free. The Loyverse page lists the point of sale, 31 days of sales analytics, essential inventory management, a loyalty program and multi-store management as free, with optional paid add-ons.
- Check how the free offer ends. The Odoo page says the first app is free with unlimited users, including hosting and support, and you pay only if you install more apps. It also says payments made offline are synchronised when you reconnect.
- Run one day of real sales with a few items in the app you pick. Check that the receipt, the stock count and the daily report match your own notes.
- Open the pricing page of the app as well as its store listing. Look for a plan priced at $0 with no end date, or a page that says "free forever" or "open source".
- Look for a trial period. The MailerLite pricing page says every new account gets 14 days to try premium features, and that these features stop working after the trial unless you upgrade. Its Free plan stays, with 250 subscribers, 2,500 emails per month and 2 user seats. Your data stays in the account.
- Read what the free plan includes. The Wave pricing page lists the Starter plan at $0 with unlimited estimates, invoices, bills and bookkeeping records. Online payments are optional, carry a fee per card payment, and need approval first. The Pro plan is a paid plan.
- Check how long the free offer lasts. The Zoho Invoice page calls itself free and ad-free forever. The Invoice Ninja page lists a Free plan at $0 "forever" with 5 clients and unlimited invoicing, while unlimited clients need the paid Pro plan.
- For open source software, read the licence. The LibreOffice page says the suite is free and open source, with source code under the Mozilla Public License v2.0, and gives access to its tools at no cost.
- Write down what is paid: extra features, more users, more storage, payment fees. Record the date you read the page, because plans change.
- MailerLite, Pricing
- Wave, Pricing
- Invoice Ninja, Home and Pricing
- The Document Foundation, LibreOffice Home
- Zoho, Zoho Invoice home page
- Decide where your files should live: on your own computer, online, or both. Also decide whether other people need to edit the same file at the same time.
- Look at an installed suite. The LibreOffice page says the suite is free and open source, and gives its tools at no cost. It has Writer, Calc, Impress, Draw, Base and Math. The free tools list marks it as a desktop program with Bahasa Indonesia support.
- Look at an online editor. The Google Docs page says anyone with a Google Account can use it, several people can edit one document at the same time, and documents can be used without an internet connection. It also has phone and tablet apps. Joining a Meet call inside a document needs a paid Google Workspace plan.
- Look at a suite with both. The WPS pricing page lists the Free plan (WPS Standard) with 1 user and 1GB of cloud storage. The Pro+ plan gives 20GB and AI tools that pause for the day when a daily limit is reached. The page lists Windows, Mac, Linux, Android, iOS, iPad and online versions.
- Compare storage. Installed files use your own disk. Online files use the storage of the provider, so check the cloud storage in the plan.
- Open one of your own files, such as an invoice or price list, in your first choice, on both a phone and a computer. Check that the layout stays the same.
Starting a daily cash ledger in a paper notebook or simple spreadsheet helps your shop record revenue, track supplier spending, and see true daily profit.
- Set up four columns: write date, transaction description, cash in from daily customer sales, and cash out for supplier purchases or daily expenses.
- Record opening drawer cash each morning before sales start so change given to customers never distorts daily revenue totals.
- Write down every cash and digital sale during the day immediately instead of trying to remember transactions at closing time.
- Keep paper receipts for wholesale stock purchases, packaging, and store utility payments in one envelope filed by date.
- Reconcile daily figures at shop closing by subtracting total expenses and opening float from final cash drawer totals.
- Separate personal spending from business money: pay yourself a set wage rather than taking daily family cash from the till.