# Call Todo vs Flex Call Manager

The clearest difference is update cadence: Flex Call Manager at monthly against Call Todo's every 52 months. Flex Call Manager also leads on device support (4 vs 2). Call Todo's advantage is iOS requirement (13.0 vs 15.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Call Todo ships an update every 52 months, Flex Call Manager monthly. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Call Todo | Flex Call Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/call-todo/id1014718802/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 52 months | **Monthly** |
| Monetization | Free | — |
| Size | 15 MB | 11 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Oliver Kuehne](https://appshunter.io/developer/418791389) | [Gamma Communications GmbH](https://appshunter.io/developer/1500711306) |

## What reviewers say

### Call Todo

[App page](https://appshunter.io/ios/app/call-todo/id1014718802)

This app helps sales representatives manage call-backs and track call history for short-term projects. Easily create contacts from your clipboard and organize them by project with color-coding. Make calls and send emails directly from the app.

**Highlights:** Create contacts from clipboard, Project-based contact management, Call history tracking, Direct calling and emailing, Color-coded project organization, Full-text search

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

**In-app purchases:** none


### Flex Call Manager

[App page](https://appshunter.io/ios/app/flex-call-manager/id6448057290)

**In-app purchases:** none


## Frequently asked questions

### Is Call Todo free?

Call Todo is free to download, with no in-app purchases.

### Is Flex Call Manager free?

Flex Call Manager is free to download, with no in-app purchases.

### Do Call Todo or Flex Call Manager have ads?

Neither Call Todo nor Flex Call Manager shows ads.

### Which is updated more often, Call Todo or Flex Call Manager?

Call Todo ships an update every 52 months, and Flex Call Manager monthly. Most recently, Call Todo was updated on October 10, 2026 and Flex Call Manager on October 4, 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.*