# ServeLab vs TossBuddy

The clearest difference is in-app purchases: TossBuddy at none against ServeLab's 4. TossBuddy also leads on update cadence (daily vs weekly). ServeLab's advantage is iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. ServeLab sells 4 in-app purchases, starting at $29.00 per month. TossBuddy asks for nothing beyond the download.

ServeLab ships an update weekly, TossBuddy daily. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ServeLab | TossBuddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (2 ratings)](https://appshunter.io/ios/app/servelab/id6746733042/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 71 MB | 45 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Fuzzy Yellow Balls, LLC](https://appshunter.io/developer/1549661258) | [Sky Kim](https://appshunter.io/developer/1859667083) |

## What reviewers say

### ServeLab

[App page](https://appshunter.io/ios/app/servelab/id6746733042)

Film your tennis serve and receive instant AI-powered feedback on your technique. Identify mistakes and get actionable advice to improve your game. Your personal tennis coach is now available on your phone.

**Highlights:** AI-powered serve analysis, Mistake identification, Personalized improvement tips, Video recording and feedback, Pocket tennis coach

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bert Monthly | $29.00 | per month |
| ServeLab Yearly | $99.99 | per year |
| Bert Yearly | $299.00 | per year |
| One lesson with Bert | $67.00 | one-time |


### TossBuddy

[App page](https://appshunter.io/ios/app/tossbuddy/id6756269495)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is ServeLab free?

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

### Is TossBuddy free?

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

### Do ServeLab or TossBuddy have ads?

Neither ServeLab nor TossBuddy shows ads.

### Which is updated more often, ServeLab or TossBuddy?

ServeLab ships an update weekly, and TossBuddy daily. Most recently, ServeLab was updated on October 26, 2026 and TossBuddy on October 25, 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.*