# 知命 vs CastCall

The clearest difference is iOS requirement: 知命 at 13.0 against CastCall's 15.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 知命 sells 8 one-off in-app purchases and CastCall sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

知命 ships an update fortnightly, CastCall every 11 days. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 知命 | CastCall |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 11 days** |
| Size | 77 MB | 55 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [ROMEO & JULIET PTE. LTD.](https://appshunter.io/developer/1776145644) | [D.Y.B.J. TECH. & CULTURE LTD](https://appshunter.io/developer/1792417601) |

## What reviewers say

### 知命

[App page](https://appshunter.io/ios/app/id6737414415)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 充值6金幣 | $6.99 | one-time |
| 充值16金幣 | $19.99 | one-time |
| 充值40金幣 | $49.99 | one-time |
| 充值80金幣 | $99.99 | one-time |
| 充值160金幣 | $199.99 | one-time |
| 充值240金幣 | $299.99 | one-time |
| 充值400金幣 | $499.99 | one-time |
| 充值800金幣 | $999.99 | one-time |


### CastCall

[App page](https://appshunter.io/ios/app/castcall/id6749469773)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CastCall Weekly Plan | $1.99 | per 7 days |
| CastCall Monthly Plan | $5.99 | per month |
| CastCall Yearly Plan | $39.99 | per year |


## Frequently asked questions

### Is 知命 free?

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

### Is CastCall free?

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

### Do 知命 or CastCall have ads?

Neither 知命 nor CastCall shows ads.

### Which is updated more often, 知命 or CastCall?

知命 ships an update fortnightly, and CastCall every 11 days. Most recently, 知命 was updated on October 20, 2026 and CastCall 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.*