# Fast Invoice Maker Pro vs Countdown & Call Reminder

The clearest difference is in-app purchases: Fast Invoice Maker Pro at none against Countdown & Call Reminder's 2. Fast Invoice Maker Pro also leads on ads (none vs shown). Countdown & Call Reminder's advantage is update cadence (every 5 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Countdown & Call Reminder sells 2 in-app purchases, starting at $9.99 per month. Fast Invoice Maker Pro asks for nothing beyond the download.

Fast Invoice Maker Pro ships an update every 3 weeks, Countdown & Call Reminder every 5 days. The most recent releases landed on September 8, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Fast Invoice Maker Pro | Countdown & Call Reminder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (4 ratings)](https://appshunter.io/ios/app/countdown-and-call-reminder/id6578448430/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 50 MB | 49 MB |
| Requires iOS | **14.1** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [waqas mehmood](https://appshunter.io/developer/1558789540) | [Jinal Virani](https://appshunter.io/developer/1758955030) |

## What reviewers say

### Fast Invoice Maker Pro

[App page](https://appshunter.io/ios/app/fast-invoice-maker-pro/id6444853901)

**Features:** macOS Compatibility

**In-app purchases:** none


### Countdown & Call Reminder

[App page](https://appshunter.io/ios/app/countdown-and-call-reminder/id6578448430)

Set timed reminders for tasks and recurring events. Schedule calls to specific contacts with custom reminders. Manage your schedule efficiently with this utility app.

**Highlights:** Timed reminders with custom dates and times, Recurring reminder options, Call reminders linked to contacts, Contact access for call reminders, Privacy policy and terms available

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Yearly | $24.99 | per year |


## Frequently asked questions

### Is Fast Invoice Maker Pro free?

Fast Invoice Maker Pro is free to download, with no in-app purchases.

### Is Countdown & Call Reminder free?

Countdown & Call Reminder is free to download, with in-app purchases available.

### Do Fast Invoice Maker Pro or Countdown & Call Reminder have ads?

Countdown & Call Reminder shows ads; Fast Invoice Maker Pro does not.

### Which is updated more often, Fast Invoice Maker Pro or Countdown & Call Reminder?

Fast Invoice Maker Pro ships an update every 3 weeks, and Countdown & Call Reminder every 5 days. Most recently, Fast Invoice Maker Pro was updated on September 8, 2026 and Countdown & Call Reminder on September 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*