# Gym Diary｜筋トレ記録・ジム・食事管理アプリ・PFC vs BIG3 筋トレ記録｜ベンチ・スクワット・デッド

The clearest difference is in-app purchases: BIG3 筋トレ記録｜ベンチ・スクワット・デッド at none against Gym Diary｜筋トレ記録・ジム・食事管理アプリ・PFC's 4. BIG3 筋トレ記録｜ベンチ・スクワット・デッド also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Gym Diary｜筋トレ記録・ジム・食事管理アプリ・PFC sells 4 in-app purchases, starting at $4.99 per 7 days. BIG3 筋トレ記録｜ベンチ・スクワット・デッド asks for nothing beyond the download.

Gym Diary｜筋トレ記録・ジム・食事管理アプリ・PFC ships an update every 2 weeks, BIG3 筋トレ記録｜ベンチ・スクワット・デッド fortnightly. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Gym Diary｜筋トレ記録・ジム・食事管理アプリ・PFC | BIG3 筋トレ記録｜ベンチ・スクワット・デッド |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Freemium | — |
| Size | 88 MB | 24 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yuki Yoshioka](https://appshunter.io/developer/1811526661) | [Takumi Kaino](https://appshunter.io/developer/1892796471) |

## What reviewers say

### Gym Diary｜筋トレ記録・ジム・食事管理アプリ・PFC

[App page](https://appshunter.io/ios/app/gym-diarypfc/id6753891350)

This app offers an AI-powered personal trainer that tracks your workouts and meals. It proactively checks in if you miss logging sessions and provides personalized insights. Features include exercise logging, meal analysis, weight tracking, and schedule management.

**Highlights:** Autonomous AI coach, Workout logging, Meal management, Weight and body fat tracking, Schedule synchronization, In-depth stats and analysis

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly Plan | $4.99 | per 7 days |
| Premium Monthly Plan | $9.99 | per month |
| Gym Diary Premium - Monthly Plan | $9.99 | per month |
| Premium Annual Plan | $49.99 | per year |


### BIG3 筋トレ記録｜ベンチ・スクワット・デッド

[App page](https://appshunter.io/ios/app/big3/id6762076280)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gym Diary｜筋トレ記録・ジム・食事管理アプリ・PFC free?

Gym Diary｜筋トレ記録・ジム・食事管理アプリ・PFC is free to download, with in-app purchases available.

### Is BIG3 筋トレ記録｜ベンチ・スクワット・デッド free?

BIG3 筋トレ記録｜ベンチ・スクワット・デッド is free to download, with no in-app purchases.

### Do Gym Diary｜筋トレ記録・ジム・食事管理アプリ・PFC or BIG3 筋トレ記録｜ベンチ・スクワット・デッド have ads?

Gym Diary｜筋トレ記録・ジム・食事管理アプリ・PFC shows ads; BIG3 筋トレ記録｜ベンチ・スクワット・デッド does not.

### Which is updated more often, Gym Diary｜筋トレ記録・ジム・食事管理アプリ・PFC or BIG3 筋トレ記録｜ベンチ・スクワット・デッド?

Gym Diary｜筋トレ記録・ジム・食事管理アプリ・PFC ships an update every 2 weeks, and BIG3 筋トレ記録｜ベンチ・スクワット・デッド fortnightly. Most recently, Gym Diary｜筋トレ記録・ジム・食事管理アプリ・PFC was updated on October 30, 2026 and BIG3 筋トレ記録｜ベンチ・スクワット・デッド 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.*