App Overview

PhoneLog for iPhone & iPad icon

PhoneLog for iPhone & iPad

Spelga Software · Productivity

PhoneLog for iPhone & iPad allows you to quickly store notes about phone calls you have made or received

$7.99 · In-app purchases

PRICE
$7.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.0
11 ratings · Top 30%

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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Build Kit

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A product spec, screen plans, and build steps for your coding agent.

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What's included17 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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Free quick prompt For a smaller starting point

Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for PhoneLog for iPhone & iPad: map the core Productivity workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Implement advanced filtering and sorting options.

Assumption to check: Users find it hard to manage large call logs.

Validate with people who use this workflow before building.

Hypothesis 2

Add a feature to import contacts directly.

Assumption to check: No integration with contacts makes it tedious to add calls.

Validate with people who use this workflow before building.

Hypothesis 3

Enhance statistics with trends and visualizations.

Assumption to check: Limited insights on call statistics.

Validate with people who use this workflow before building.

Hypothesis 4

Introduce cloud sync for call logs.

Assumption to check: No cloud backup options.

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

PhoneLog for iPhone & iPad allows you to quickly store notes about phone calls you have made or received. Whether you spend all day on the phone or just make the occasional call to your bank, enter the details straight into this app and you'll never forget a call again. (Please note: Apple does not allow PhoneLog to have access to the call history on your iPhone, but you can make calls from within the app to save you retyping the number.) Great features include: • Add events to your Calendar and Reminders • Use your Contacts list • Configurable call statuses (eg Follow Up, Waiting Reply, Closed etc) • Configurable categories/tags • Priority levels • Secure individual call notes using passwords • A call timer • Additional fields • Export to CSV file and other formats • Automatic backups of your call logs • Sync using Dropbox between multiple Macs, iPhones and iPads (requires Dropbox account; PhoneLog Pro is available for the Mac on the Mac App Store - purchased separately) • Or sync using our new syncing service "Sync Server" (requires subscription via In App Purchase) ---- Subscriptions All features are available in the app without further purchase, except for syncing using the "Sync Server". This is available via a subscription purchased from within the app. There are multiple tiers depending on how many devices you wish to sync between. This subscription is a monthly, auto-renewing subscription. Payment will be charged to your App Store Account at confirmation of purchase. Your subscription is automatically renewed if it is not cancelled at least 24 hours before the end of the current period. Prices may vary by location. You can manage your subscriptions in the App Store Account settings where you may turn off the auto-renewal. Privacy policy: https://www.spelgasoftware.co.uk/PhoneLog/privacy_policy.html Terms and conditions: https://www.spelgasoftware.co.uk/PhoneLog/app_terms_and_conditions.html

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Screenshots

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Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

SUGGESTED BUILD STACK
React Native
Expo
React Navigation
Victory
React Native Vector Icons
TypeScript
BUILD KIT DIFFICULTY
Intermediate

From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.