Invoice Maker vs Contraction Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Invoice Maker
Create professional invoices and estimates quickly with customizable templates. Manage clients and projects, track payments, and gain business insights with smart reports. Enhance your brand with custom logos and colors.
- Professional invoice and estimate creation
- Client and project management
- Customizable templates with branding
- Flexible payment options
- Smart revenue and expense reports
- Unlimited invoices and estimates
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Effortless Client & Project Management Keep all client and project information organized in one place. Track progress, store key data, and boost productivity—without the hassle. Streamline Your Billing with Professional Invoices & Estimates Create polished invoices and estimates in minutes—customize templates, add details, and send to clients for a seamless billing experience. Flexible Payment Options Get paid faster with secure, convenient methods—credit cards, bank transfers, and digital wallets. Smart Reports for Better Insights Track revenue, expenses, and payments with detailed reports. Use data-driven analytics to optimize your business performance. Branded Invoices That Stand Out Impress clients with customized invoices featuring your logo, colors, and branding—enhance professionalism and reinforce your brand. Simplify workflows, delight clients, and grow your business—all in one place! --- Discover More Benefits: Unlimited Invoices & Estimates Customizable Templates Expense Tracking & Reports Choose Your Plan: - Weekly Pro - Monthly Pro - Annual Pro Start with a 3-day free trial on any plan. Your iTunes account will be charged after confirmation. Subscriptions auto-renew unless canceled 24 hours before the period ends. Manage subscriptions in Account Settings. --- Privacy & Support Privacy Policy: https://sites.google.com/view/invoice-maker---smart-estimate/privacy-policy Terms of Use: https://sites.google.com/view/invoice-maker---smart-estimate/termsconditions Need help? Contact us: john.paley.twentythree@zohomail.com Download now and enjoy!
Contraction Timer
This app assists expectant mothers in tracking labor progress by timing contractions, monitoring their frequency and duration. It offers visual representations of labor stages and includes features for logging birth events. It serves as a smart companion throughout the delivery process.
- Time contractions
- Monitor frequency and duration
- Visualize labor stages
- Push timer
- Birth log
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Contraction Timer helps expectant mothers track labor progress with precision. Time contractions, monitor frequency/duration patterns, and visualize labor stages through intuitive charts. Includes push timer and birth log features - your smart companion for the entire delivery journey. Terms of Service：https://p4c8c0ejhq.feishu.cn/wiki/WAABwfEYsi6Jt1kdmUbcJwCUn1d Privacy Policy：https://p4c8c0ejhq.feishu.cn/wiki/X776wZa5Xi0c1JkFghhc20FPntf
Screenshots
Verdict
The clearest difference is in-app purchases: Contraction Timer at none against Invoice Maker's 4. Invoice Maker's advantage is update cadence (every 3 days vs every 2 months) and ratings volume (7 vs 1). On price, rating, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Invoice Maker sells 4 in-app purchases, starting at $8.99 per 7 days. Contraction Timer asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for Invoice Maker against 5.0 for Contraction Timer. That said, the two scores are not equally well evidenced: Invoice Maker has 7 ratings behind it against 1, so its average is the more settled of the two.
Invoice Maker ships an update every 3 days, Contraction Timer every 2 months. The most recent releases landed on October 17, 2026 and October 12, 2026 respectively.
| Parameter | Invoice Maker | Contraction Timer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (7 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 7 — better | 1 |
| Update frequency | Every 3 days — better | Every 2 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 5 MB |
| Age rating | 4+ | 17+ |
| Developer | John Paley | 家豪 魏 |
Customer experience
Invoice Maker
Contraction Timer
In-app purchases
Invoice Maker
- accessWeeklySubscription$8.997 Days
- Invoice Maker: Bill Generator.3 Days trial$8.997 Days
- accessMonthlySubscription$14.991 Month
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- accessMonthlyTrialSubscription3 Days trial$15.991 Month
Contraction Timer
No in-app purchases
Questions
Is Invoice Maker free?
Is Contraction Timer free?
Which has better reviews, Invoice Maker or Contraction Timer?
Do Invoice Maker or Contraction Timer have ads?
Which is updated more often, Invoice Maker or Contraction Timer?
Other comparisons
