# StringIt vs CoachOn Tennis

The clearest difference is in-app purchases: StringIt at none against CoachOn Tennis's 2. CoachOn Tennis's advantage is update cadence (every 3 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CoachOn Tennis sells 2 in-app purchases, starting at $2.99 per month. StringIt asks for nothing beyond the download.

StringIt ships an update fortnightly, CoachOn Tennis every 3 days. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | StringIt | CoachOn Tennis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 9 MB | 18 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Campbell](https://appshunter.io/developer/1648120866) | [Robert RINGSHAW](https://appshunter.io/developer/6799853635) |

## What reviewers say

### StringIt

[App page](https://appshunter.io/ios/app/stringit/id6757498723)

**Features:** macOS Compatibility

**In-app purchases:** none


### CoachOn Tennis

[App page](https://appshunter.io/ios/app/coachon-tennis/id6799853633)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is StringIt free?

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

### Is CoachOn Tennis free?

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

### Do StringIt or CoachOn Tennis have ads?

Neither StringIt nor CoachOn Tennis shows ads.

### Which is updated more often, StringIt or CoachOn Tennis?

StringIt ships an update fortnightly, and CoachOn Tennis every 3 days. Most recently, StringIt was updated on October 2, 2026 and CoachOn Tennis on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*