# M1N vs HydraFlow

The clearest difference is in-app purchases: HydraFlow at none against M1N's 3. M1N's advantage is update cadence (every 3 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. M1N sells 3 in-app purchases, starting at $0.99 per month. HydraFlow asks for nothing beyond the download.

M1N ships an update every 3 days, HydraFlow every 2 months. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | M1N | HydraFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/m1n-workout-interval-timer/id6689055118/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | Freemium | — |
| Size | 33 MB | 2 MB |
| Requires iOS | 17.4 | **17.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Maxwell Hunter](https://appshunter.io/developer/1645000773) | [SADIK SAZDAGI](https://appshunter.io/developer/1883520486) |

## What reviewers say

### M1N

[App page](https://appshunter.io/ios/app/m1n-workout-interval-timer/id6689055118)

This minimalist timer app is designed for fitness enthusiasts who need precise interval timing for workouts like CrossFit, HIIT, and strength training. It offers customizable intervals, audible alerts, and background mode for an efficient and distraction-free training experience.

**Highlights:** Effortless EMOM setup, Minimalist design, Customizable intervals, Audible alerts, Background mode

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Access | $0.99 | per month |
| Yearly Pro Access | $9.99 | per year |
| Lifetime Access | $24.99 | one-time |


### HydraFlow

[App page](https://appshunter.io/ios/app/hydraflow-water-tracker/id6760320407)

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

**In-app purchases:** none


## Frequently asked questions

### Is M1N free?

M1N is free to download, with in-app purchases available.

### Is HydraFlow free?

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

### Do M1N or HydraFlow have ads?

Neither M1N nor HydraFlow shows ads.

### Which is updated more often, M1N or HydraFlow?

M1N ships an update every 3 days, and HydraFlow every 2 months. Most recently, M1N was updated on October 19, 2026 and HydraFlow on October 12, 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.*