# RepFlow vs CalSpace

The clearest difference is in-app purchases: RepFlow at none against CalSpace's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CalSpace sells 2 in-app purchases, starting at $5.99 per month. RepFlow asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on September 22, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | RepFlow | CalSpace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/repflow/id6751145215/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Ad-supported | — |
| Size | 21 MB | 122 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Jeffrey Miller](https://appshunter.io/developer/1833675898) | [CALSPACE PTE. LTD.](https://appshunter.io/developer/6805762404) |

## What reviewers say

### RepFlow

[App page](https://appshunter.io/ios/app/repflow/id6751145215)

Combat a sedentary lifestyle with smart reminders for movement throughout your workday. Log your reps instantly and visualize your progress with insightful charts and statistics to build healthier habits.

**Highlights:** Customizable workout reminders, Instant rep logging, Progress visualization charts, Daily, weekly, monthly statistics, Trend analysis dashboard, Smart interval settings

**In-app purchases:** none


### CalSpace

[App page](https://appshunter.io/ios/app/calspace/id6762625662)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalSpace Premium Monthly | $5.99 | per month |
| CalSpace Premium Annual | $49.99 | per year |


## Frequently asked questions

### Is RepFlow free?

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

### Is CalSpace free?

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

### Do RepFlow or CalSpace have ads?

Both RepFlow and CalSpace show ads.

### Which is updated more often, RepFlow or CalSpace?

RepFlow ships an update every 4 days, and CalSpace every 4 days. Most recently, RepFlow was updated on September 22, 2026 and CalSpace on October 9, 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.*