# Hoilday_GripTrainer vs OPTIfit.

The clearest difference is iOS requirement: Hoilday_GripTrainer at 12.3 against OPTIfit.'s 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on May 15, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Hoilday_GripTrainer | OPTIfit. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | Every 5 months |
| Size | 5 MB | 174 MB |
| Requires iOS | **12.3** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Shing Sheng](https://appshunter.io/developer/1535804547) | [OPTIfit Fitnessclub GbR](https://appshunter.io/developer/1582456382) |

## What reviewers say

### Hoilday_GripTrainer

[App page](https://appshunter.io/ios/app/hoilday-griptrainer/id1562473961)

**Features:** macOS Compatibility

**In-app purchases:** none


### OPTIfit.

[App page](https://appshunter.io/ios/app/optifit/id1582456380)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hoilday_GripTrainer free?

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

### Is OPTIfit. free?

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

### Do Hoilday_GripTrainer or OPTIfit. have ads?

Neither Hoilday_GripTrainer nor OPTIfit. shows ads.

### Which is updated more often, Hoilday_GripTrainer or OPTIfit.?

Hoilday_GripTrainer ships an update every 5 months, and OPTIfit. every 5 months. Most recently, Hoilday_GripTrainer was updated on May 15, 2026 and OPTIfit. on September 15, 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.*