# Tesaro vs Flow Test Collector

The clearest difference is in-app purchases: Flow Test Collector at none against Tesaro's 6. Flow Test Collector also leads on iOS requirement (15.1 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Tesaro sells 6 in-app purchases, starting at $6.99 per month. Flow Test Collector asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 19, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Tesaro | Flow Test Collector |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 298 MB | 30 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Sturm](https://appshunter.io/developer/416803387) | [DataFuelsGrowth GmbH](https://appshunter.io/developer/1852027366) |

## What reviewers say

### Tesaro

[App page](https://appshunter.io/ios/app/tesaro/id6444442058)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| For 1 Tesla monthly | $6.99 | per month |
| For 2 Teslas monthly | $14.99 | per month |
| For 3 Teslas monthly | $19.99 | per month |
| Premium for 1 Tesla yearly | $69.99 | per year |
| Premium for 2 Teslas per year | $149.99 | per year |
| Premium for 3 Teslas per year | $199.99 | per year |


### Flow Test Collector

[App page](https://appshunter.io/ios/app/flow-test-collector/id6755116061)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tesaro free?

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

### Is Flow Test Collector free?

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

### Do Tesaro or Flow Test Collector have ads?

Neither Tesaro nor Flow Test Collector shows ads.

### Which is updated more often, Tesaro or Flow Test Collector?

Tesaro ships an update monthly, and Flow Test Collector monthly. Most recently, Tesaro was updated on October 19, 2026 and Flow Test Collector on October 7, 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.*