# Call Reminder+ vs Arrowmech Flow Meter

The clearest difference is in-app purchases: Arrowmech Flow Meter at none against Call Reminder+'s 4. Arrowmech Flow Meter also leads on iOS requirement (13.0 vs 18.0). Call Reminder+'s advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Call Reminder+ sells 4 in-app purchases, starting at $1.99 per month. Arrowmech Flow Meter asks for nothing beyond the download.

Call Reminder+ ships an update every 2 weeks, Arrowmech Flow Meter every 2 months. The most recent releases landed on September 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Call Reminder+ | Arrowmech Flow Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (5 ratings)](https://appshunter.io/ios/app/call-reminder-plus/id1423495850/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 19 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Ibrahim](https://appshunter.io/developer/1020599754) | [Archit Patel](https://appshunter.io/developer/1036915110) |

## What reviewers say

### Call Reminder+

[App page](https://appshunter.io/ios/app/call-reminder-plus/id1423495850)

Never forget important calls again. Schedule reminders for birthdays, client follow-ups, or personal check-ins. Get instant notifications and take action directly from your lock screen. Manage your calling routine with smart suggestions and organized lists.

**Highlights:** One-tap call reminders, Interactive lock screen notifications, Smart follow-up suggestions, Organized overdue call list, Home screen widgets, Flexible recurrence options, iCloud sync and backup

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Call Reminder Monthly Plan | $1.99 | per month |
| Call Reminder 3 Months Plan | $4.99 | per 3 months |
| Call Reminder 6 Months Plan | $8.99 | per 6 months |
| Call Reminder Yearly Plan | $14.99 | per year |


### Arrowmech Flow Meter

[App page](https://appshunter.io/ios/app/arrowmech-flow-meter/id6444359637)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Call Reminder+ free?

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

### Is Arrowmech Flow Meter free?

Arrowmech Flow Meter is free to download, with no in-app purchases.

### Do Call Reminder+ or Arrowmech Flow Meter have ads?

Neither Call Reminder+ nor Arrowmech Flow Meter shows ads.

### Which is updated more often, Call Reminder+ or Arrowmech Flow Meter?

Call Reminder+ ships an update every 2 weeks, and Arrowmech Flow Meter every 2 months. Most recently, Call Reminder+ was updated on September 24, 2026 and Arrowmech Flow Meter on October 8, 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.*