# 达达生日 vs 信易通

The clearest difference is in-app purchases: 信易通 at none against 达达生日's 8. 达达生日's advantage is iOS requirement (9.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 达达生日 sells 8 one-off in-app purchases. 信易通 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 12, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 达达生日 | 信易通 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 69 MB | 101 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [成都理红文化传媒有限公司](https://appshunter.io/developer/1514371159) | [Yuanmeng Space Cultural Communication (chengdu) Co., Ltd](https://appshunter.io/developer/1682204454) |

## What reviewers say

### 达达生日

[App page](https://appshunter.io/ios/app/id1514371160)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 666 | $0.99 | one-time |
| 翅膀 | $1.99 | one-time |
| 飞吻 | $1.99 | one-time |
| 干杯 | $2.99 | one-time |
| 拥抱 | $3.99 | one-time |
| 钻戒 | $5.99 | one-time |
| 魔法棒 | $9.99 | one-time |
| 天使 | $14.99 | one-time |


### 信易通

[App page](https://appshunter.io/ios/app/id6448099113)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 达达生日 free?

达达生日 is free to download, with in-app purchases available.

### Is 信易通 free?

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

### Do 达达生日 or 信易通 have ads?

Neither 达达生日 nor 信易通 shows ads.

### Which is updated more often, 达达生日 or 信易通?

达达生日 ships an update fortnightly, and 信易通 fortnightly. Most recently, 达达生日 was updated on October 12, 2026 and 信易通 on October 20, 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.*