# Stack Influence vs ECAI

The clearest difference is in-app purchases: Stack Influence at none against ECAI's 10. ECAI's advantage is update cadence (weekly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ECAI sells 10 in-app purchases, starting at $59.99 per month. Stack Influence asks for nothing beyond the download.

Stack Influence ships an update monthly, ECAI weekly. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Stack Influence | ECAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (397 ratings)](https://appshunter.io/ios/app/stack-influence-creator-deals/id6481402069/reviews)** | — |
| Number of ratings | **397** | — |
| Positive reviews | 78.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | — |
| Size | 43 MB | 110 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Stack Influence](https://appshunter.io/developer/1739639888) | [Jeffrey Estes](https://appshunter.io/developer/1896770279) |

## What reviewers say

### Stack Influence

[App page](https://appshunter.io/ios/app/stack-influence-creator-deals/id6481402069)

Connect with brands for free products and cash back by sharing on social media. This platform offers instant approvals for creators with over 100 followers and provides opportunities for long-term brand partnerships.

**Highlights:** Freebies and cash back deals, Affiliate and brand ambassador opportunities, Instant approval with 100+ followers, Effortless posting and automatic payouts, Instant matchmaking with relevant brands, Build long-term brand relationships

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 👍 User-friendly interface
- 💰 Opportunity to earn rewards
- 🎁 Wide variety of products to try
- 🤝 Helpful for creators/influencers

**What reviewers complain about**

- 🔍 Lack of communication/support
- ❌ Sudden loss of campaigns/opportunities
- 💰 Requires initial product purchase
- 🤔 Unclear qualification criteria

**Reported bugs**

- Issues with verification code delivery
- Inconsistent campaign availability

**Requested features**

- Expand to TikTok platform
- Offer paid content opportunities
- Improve campaign selection and availability


### ECAI

[App page](https://appshunter.io/ios/app/ecai/id6771070888)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ECAI Pro | $59.99 | per month |
| ECAI Pro | $599.99 | per year |
| Basic Promo - 1 Month | $9.99 | one-time |
| Publish an Event | $12.99 | one-time |
| Premium Promo - 1 Month | $19.99 | one-time |
| Basic Promo - 3 Months | $24.99 | one-time |
| Publish + Boost | $29.99 | one-time |
| Featured Promo - 1 Month | $39.99 | one-time |
| Premium Promo - 3 Months | $49.99 | one-time |
| Featured Promo - 3 Mo | $99.99 | one-time |


## Frequently asked questions

### Is Stack Influence free?

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

### Is ECAI free?

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

### Do Stack Influence or ECAI have ads?

Neither Stack Influence nor ECAI shows ads.

### Which is updated more often, Stack Influence or ECAI?

Stack Influence ships an update monthly, and ECAI weekly. Most recently, Stack Influence was updated on October 16, 2026 and ECAI on October 4, 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.*