# Fix and Flip Calc vs Multiply OS

The clearest difference is rating: Multiply OS at 5.0 against Fix and Flip Calc's 3.0. Multiply OS also leads on in-app purchases (none vs 3) and update cadence (every 9 days vs every 3 weeks). Fix and Flip Calc's advantage is iOS requirement (13.0 vs 15.1). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Fix and Flip Calc sells 3 one-off in-app purchases. Multiply OS asks for nothing beyond the download.

Multiply OS holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Fix and Flip Calc ships an update every 3 weeks, Multiply OS every 9 days. The most recent releases landed on October 14, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Fix and Flip Calc | Multiply OS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/fix-and-flip-calc/id6445963966/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/multiply-os/id6783743139/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 26 MB | 46 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Lafond](https://appshunter.io/developer/1675129976) | [Rise Up Kings, Inc](https://appshunter.io/developer/1721953284) |

## What reviewers say

### Fix and Flip Calc

[App page](https://appshunter.io/ios/app/fix-and-flip-calc/id6445963966)

This app helps real estate investors and contractors calculate renovation costs, estimate after-repair value, and generate PDF invoices. It offers detailed cost breakdowns per room or for the entire house, streamlining project management and financial planning.

**Highlights:** Renovation cost calculation, Estimate after-repair value, Itemized cost breakdown, PDF invoice generation, Cost per square foot input, Room-by-room estimation

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Renovate for a Month | $6.99 | one-time |
| Purchase Premium for Lifetime | $7.99 | one-time |
| Yearly Premium Plan | $49.99 | one-time |


### Multiply OS

[App page](https://appshunter.io/ios/app/multiply-os/id6783743139)

Manage business tasks, projects, and company strategy from your phone. Chat with AI coaches for real-time insights and document generation. Track key metrics, set goals, and collaborate with your team in a unified platform.

**Highlights:** Task and project management, AI business coaching and chat, Document and chart generation, Metric tracking and goal setting, Team collaboration tools, Company strategy planning

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

**In-app purchases:** none


## Frequently asked questions

### Is Fix and Flip Calc free?

Fix and Flip Calc is free to download, with in-app purchases available.

### Is Multiply OS free?

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

### Which has better reviews, Fix and Flip Calc or Multiply OS?

Multiply OS is rated higher. Fix and Flip Calc averages 3.0 out of 5 from 2 ratings, while Multiply OS averages 5.0 from 1 ratings.

### Do Fix and Flip Calc or Multiply OS have ads?

Neither Fix and Flip Calc nor Multiply OS shows ads.

### Which is updated more often, Fix and Flip Calc or Multiply OS?

Fix and Flip Calc ships an update every 3 weeks, and Multiply OS every 9 days. Most recently, Fix and Flip Calc was updated on October 14, 2026 and Multiply OS on October 28, 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.*