# 紫微通書 vs iMuscleMap

The clearest difference is review sentiment: 紫微通書 at 50% against iMuscleMap's 0%. 紫微通書 also leads on rating (5.0 vs 1.0) and ratings volume (4 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 紫微通書 sells 5 one-off in-app purchases and iMuscleMap sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

紫微通書 holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 50% of 紫微通書's written reviews are positive against 0% of iMuscleMap's.

紫微通書 ships an update every 4 weeks, iMuscleMap every 3 weeks. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 紫微通書 | iMuscleMap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/id6443444483/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/imusclemap/id6775289514/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 128 MB | 9 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Shenzhen Tianxun Culture Technology Co.,Ltd.](https://appshunter.io/developer/1643867629) | [Naihe Hu](https://appshunter.io/developer/564180065) |

## What reviewers say

### 紫微通書

[App page](https://appshunter.io/ios/app/id6443444483)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A项购买 | $6.99 | one-time |
| B项购买 | $19.99 | one-time |
| C项购买 | $29.99 | one-time |
| D项购买 | $59.99 | one-time |
| VIP购买 | $99.99 | one-time |


### iMuscleMap

[App page](https://appshunter.io/ios/app/imusclemap/id6775289514)

Track your strength training progress with a visual muscle map. Monitor muscle recovery, identify weak areas, and access structured training plans and an exercise library. Log workouts in real-time and gain insights into your progress.

**Highlights:** Visual Muscle Map, Structured Training Plans, Exercise Library, Real-time Workout Logging, Recovery and Progress Insights, Supports Gym, Home, and Bodyweight Workouts

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MonthlyPro | $1.99 | per month |
| YearlyPro | $14.99 | per year |
| Life Time Pro | $24.99 | one-time |


## Frequently asked questions

### Is 紫微通書 free?

紫微通書 is free to download, with in-app purchases available.

### Is iMuscleMap free?

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

### Which has better reviews, 紫微通書 or iMuscleMap?

紫微通書 is rated higher. 紫微通書 averages 5.0 out of 5 from 4 ratings, while iMuscleMap averages 1.0 from 1 ratings.

### Do 紫微通書 or iMuscleMap have ads?

Neither 紫微通書 nor iMuscleMap shows ads.

### Which is updated more often, 紫微通書 or iMuscleMap?

紫微通書 ships an update every 4 weeks, and iMuscleMap every 3 weeks. Most recently, 紫微通書 was updated on October 9, 2026 and iMuscleMap on October 1, 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.*