PlanBuildPro vs Numline
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
PlanBuildPro
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A construction project is a major challenge. PlanBuildPro helps you to organize the construction activities, to create & plan the costs, to have a detailed overview of the costs, to plan and monitor the expenses, to have all information on construction partners centrally available and to document the construction progress or defects in the photo log. All this in one app. Use the app just for yourself or together with other people. Try out PlanBuildPro: You can create a construction project and try out the app. However, a paid subscription is required for additional functions such as exporting the cost overview, construction times and tasks as a PDF, sharing projects or adding attachments in the cost overview and creating additional construction projects. Terms of use: https://planbuildpro.com/en/terms-of-use
Numline
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Numline is a calculator you type into like a notepad. Write your maths in plain words on the left, and answers appear instantly on the right. No buttons to hunt for. No equals key. Just type a line โ "120 USD to EUR", "20% of 4800", "rent = 2400" โ and Numline works it out as you go. WHAT YOU CAN DO โข Plain-language maths โ write "95 EUR * 4" and read the answer beside it โข Currencies โ convert between world currencies: "cost in JPY to USD". Rates update automatically; offline, the last ones stand in and results are approximate โข Units โ length, mass, volume, temperature and more: "120 km to miles", "356 F to C" โข Percentages โ tips, discounts and splits in words: "89 + 15%", "240 / 4 + 10%" โข Variables โ name a value once and reuse it: "rate = 85", "32 * rate" โข Totals โ "total" sums the block above; a blank line starts a fresh one โข Dates โ "trip - today", "trip + 2 weeks" and other quick date maths โข Functions โ sqrt, round, abs and friends when you need them โข Shorthand โ "19k + 80k" reads thousands the way you say them โข Themes โ Classic, Lime, Violet and Amber, each colouring your notation its own way โข Many notepads โ keep a separate sheet for every plan Every line is live. Change a number and everything below it updates. It reads back like a note you wrote to yourself, so you can always see how you reached an answer. Numline stays quiet and focused: a dark editor, syntax colours you choose, and nothing in your way. No account. No subscription. No ads. Your notepads stay on your device. Just type.
Screenshots
Verdict
The clearest difference is price: PlanBuildPro at Free against Numline's $0.99. Numline's advantage is in-app purchases (none vs 2) and update cadence (every 2 days vs every 6 weeks). On ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
PlanBuildPro is free to download; Numline costs $0.99 up front. PlanBuildPro sells 2 in-app purchases, starting at $4.99 per month. Numline asks for nothing beyond the download.
PlanBuildPro ships an update every 6 weeks, Numline every 2 days. The most recent releases landed on October 1, 2026 and September 27, 2026 respectively.
| Parameter | PlanBuildPro | Numline |
|---|---|---|
| Price | Free โ better | $0.99 |
| Update frequency | Every 6 weeks | Every 2 days โ better |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18 | 18.0 |
| Further details โ not scored | ||
| Size | 58 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Sami Nowak | Zhiqi Pan |
In-app purchases
PlanBuildPro
- Monthly1 Month trial$4.991 Month
- Yearly1 Month trial$39.991 Year
Numline
No in-app purchases
Questions
Is PlanBuildPro free?
Is Numline free?
Do PlanBuildPro or Numline have ads?
Which is updated more often, PlanBuildPro or Numline?
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