estimateX vs NotaTime
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
estimateX
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Make your task time tracking easier with estimateX by relevance. estimateX can be connected with teamwork, Jira and ClickUp. estimateX adapts to your working habits. estimateX is an agile relevant task management tool with the following core features. Manage tasks with estimateX's automatic sorting tasks within a task list according to task RELEVANCE. Manage team tasks easier with estimateX's deep linking features. A takomat Original
NotaTime
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Take control of your time with NotaTime, the clean and fast tracker built for real life. Track work, study, and focus sessions the moment they start. Launch a timer in one tap, add quick notes, and watch your day build automatically. With live widget updates and clear daily totals, you always know where your time goes. Now with Auto-Invoice Mode built for freelancers: set your default client, project, and hourly rate once, see live earnings while tracking, and export invoice-ready reports with clear billable-only totals. No clutter. No complicated setup. Just smooth, reliable tracking youβll actually use. Why people choose NotaTime: β’ One-tap start and stop β’ Home Screen widget with live timer status β’ Clear daily total at a glance β’ Add notes to every session β’ Edit and organize entries anytime β’ Mark entries as billable or non-billable β’ Auto-Invoice defaults for client, project, and rate β’ Live earnings while timer runs β’ Export to PDF, Invoice, or CSV for reports β’ Pre-send invoice checks (empty notes, overlaps, long/short sessions) β’ Helpful reminders to stay consistent β’ iCloud sync support Whether youβre freelancing, studying, or building better habits, NotaTime makes every hour count. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: NotaTime at every 10 days against estimateX's every 3 weeks. estimateX's advantage is iOS requirement (13.0 vs 16). On price, ads, in-app purchases and device support 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
Both are free to download. estimateX sells 2 in-app purchases, starting at $17.99 per month and NotaTime sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
estimateX ships an update every 3 weeks, NotaTime every 10 days. The most recent releases landed on September 19, 2026 and September 7, 2026 respectively.
| Parameter | estimateX | NotaTime |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 10 days β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod β better |
| Requires iOS | 13.0 β better | 16 |
| Further details β not scored | ||
| Size | 116 MB | 3 MB |
| Age rating | 4+ | 12+ |
| Developer | TAKOMAT GmbH | Nice Software AS |
In-app purchases
estimateX
- estimateX (1-Month)1 Month trial$17.991 Month
- estimateX (1-Year)1 Month trial$204.991 Year
NotaTime
- NotaTime Lifetime$9.99









