# Flow vs Simple Training Timer

The clearest difference is in-app purchases: Flow at none against Simple Training Timer's 1. Flow also leads on ads (none vs shown) and iOS requirement (12.0 vs 18.0). Simple Training Timer's advantage is update cadence (every 3 weeks vs every 20 months). On price and device support there is nothing between them.

Both are free to download. Simple Training Timer sells 1 in-app purchase, starting at $1.99 per month. Flow asks for nothing beyond the download.

Flow ships an update every 20 months, Simple Training Timer every 3 weeks. The most recent releases landed on September 27, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Flow | Simple Training Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (63 ratings)](https://appshunter.io/ios/app/simple-training-timer-stt/id1263269081/reviews)** |
| Number of ratings | — | **63** |
| Positive reviews | — | 69.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 23 MB | 31 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [ALLIED SYSTEM CO.,LTD.](https://appshunter.io/developer/1077613622) | [EasterEggs](https://appshunter.io/developer/553389214) |

## What reviewers say

### Flow

[App page](https://appshunter.io/ios/app/flow/id1199799265)

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Training Timer

[App page](https://appshunter.io/ios/app/simple-training-timer-stt/id1263269081)

This app helps with daily strength training by accurately timing workouts, rest periods, and sets. Customize various training menus to suit your fitness goals and enjoy more fulfilling exercise sessions.

**Highlights:** Accurate workout timing, Rest period tracking, Set and repetition count, Customizable training menus, Daily strength training assistance

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $1.99 | per month |


## Frequently asked questions

### Is Flow free?

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

### Is Simple Training Timer free?

Simple Training Timer is free to download, with in-app purchases available.

### Do Flow or Simple Training Timer have ads?

Simple Training Timer shows ads; Flow does not.

### Which is updated more often, Flow or Simple Training Timer?

Flow ships an update every 20 months, and Simple Training Timer every 3 weeks. Most recently, Flow was updated on September 27, 2026 and Simple Training Timer on October 3, 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.*