# FlowTimer vs OptMsg

The clearest difference is update cadence: OptMsg at monthly against FlowTimer's every 7 months. OptMsg also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). 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.

FlowTimer ships an update every 7 months, OptMsg monthly. The most recent releases landed on September 13, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | FlowTimer | OptMsg |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/optmsg/id6742815057/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | — | Free |
| Size | 1 MB | 61 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OUTZERA LLC](https://appshunter.io/developer/1748586839) | [OptMsg, LLC](https://appshunter.io/developer/1800141573) |

## What reviewers say

### FlowTimer

[App page](https://appshunter.io/ios/app/flowtimer-productivity-waves/id6503253633)

**Features:** macOS Compatibility

**In-app purchases:** none


### OptMsg

[App page](https://appshunter.io/ios/app/optmsg/id6742815057)

This email app offers unparalleled privacy and security with 100% inbox control. Only approved senders can reach you, and all messages are fully encrypted. Enjoy a distraction-free, password-free experience with no ads or data tracking.

**Highlights:** 100% inbox control with approved senders, Password-free authentication via Passkeys, End-to-end encryption for secure messaging, No ads, no tracking, no data mining, Auto-delete trash after 30 days, Community recommendations for new senders

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

**In-app purchases:** none


## Frequently asked questions

### Is FlowTimer free?

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

### Is OptMsg free?

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

### Do FlowTimer or OptMsg have ads?

Neither FlowTimer nor OptMsg shows ads.

### Which is updated more often, FlowTimer or OptMsg?

FlowTimer ships an update every 7 months, and OptMsg monthly. Most recently, FlowTimer was updated on September 13, 2026 and OptMsg on October 4, 2026.

---

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