# Kaigyo vs Boost App Social

The clearest difference is monetization model: Kaigyo at free with in-app purchases against Boost App Social's subscription. Kaigyo also leads on rating (4.9 vs 4.7) and review sentiment (100% vs 88%). Boost App Social's advantage is update cadence (every 8 days vs monthly) and ratings volume (3.6K vs 203). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Kaigyo sells 3 one-off in-app purchases and Boost App Social sells 15 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Kaigyo holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Boost App Social has 3.6K ratings behind it against 203, so its average is the more settled of the two. Written reviews point the same way: 100% of Kaigyo's written reviews are positive against 88% of Boost App Social's.

Kaigyo ships an update monthly, Boost App Social every 8 days. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Kaigyo | Boost App Social |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (203 ratings)](https://appshunter.io/ios/app/kaigyo/id1260267336/reviews)** | [4.7 (3.6K ratings)](https://appshunter.io/ios/app/boost-app-social/id1551991915/reviews) |
| Number of ratings | 203 | **3.6K** |
| Positive reviews | **100.0% of reviews** | 88.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 67 MB | 269 MB |
| Requires iOS | 17.0 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shintaro Morikawa](https://appshunter.io/developer/565015106) | [Condor Eye Enterprise, SOCIEDAD LIMITADA](https://appshunter.io/developer/1620526122) |

## What reviewers say

### Kaigyo

[App page](https://appshunter.io/ios/app/kaigyo/id1260267336)

Easily insert line breaks and special characters into your social media posts. Save drafts, convert fonts, and enhance your text for wider expression.

**Highlights:** Smooth line breaks for text input, Save drafts for multiple pages, Special characters keyboard, Font conversion for alphabets and numbers, Copy and paste functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide all ads | $1.99 | one-time |
| Increase pages | $1.99 | one-time |
| Further increase pages | $1.99 | one-time |


### Boost App Social

[App page](https://appshunter.io/ios/app/boost-app-social/id1551991915)

Enhance your social media presence with AI-powered tools for reels, captions, and hashtags. Discover trending music, craft compelling content, and professionalize your profile to boost engagement and reach.

**Highlights:** Trending music discovery for Instagram reels, AI-driven writing tools for bios and captions, Strategic hashtag planner with banned hashtag filter, Special fonts and profile picture enhancements, Curated quote library and sticker/gif keyboard integration, Highlight cover customization

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BoostApp 1 Week Full Access | $3.99 | per 7 days |
| BoostApp 1 Week Special Price | $4.99 | per 7 days |
| BoostApp 1 Week Full Access | $4.99 | per 7 days |
| BoostApp 1 Week Full Access | $5.99 | per 7 days |
| BoostApp 1 Week Full Access | $5.99 | per 7 days |
| BoostApp 1 Week Full Access | $7.99 | per 7 days |
| BoostApp 1 Week Full Access | $9.99 | per 7 days |
| BoostApp 1 Month Full Access | $18.99 | per month |
| BoostApp 3 Months Full Access | $39.99 | per 3 months |
| Annual Premium Subscription | $49.99 | per year |
| BoostApp 1 Year Full Access | $49.99 | per year |
| BoostApp 1 Year Full Access | $59.99 | per year |
| BoostApp 1 Year Full Access | $69.99 | per year |
| BoostApp 1 Year Full Access | $79.99 | per year |
| BoostApp 1 Year Full Access | $79.99 | per year |

**What reviewers like**

- 🚀 Efficient and easy to use
- 👍 Helpful features for content creators
- 💡 Unique and creative tools
- 🚀 Time-saving features
- 👍 User-friendly interface

**What reviewers complain about**

- 💰 Expensive subscription cost
- 🐛 Some bugs and glitches reported

**Reported bugs**

- Keyboard integration issues
- Occasional app crashes

**Requested features**

- Ability to customize fonts and backgrounds
- Integration with more social media platforms
- Improved hashtag suggestion algorithm
- Expanded template and design options


## Frequently asked questions

### Is Kaigyo free?

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

### Is Boost App Social free?

Boost App Social is free to download, with in-app purchases available.

### Which has better reviews, Kaigyo or Boost App Social?

Kaigyo is rated higher. Kaigyo averages 4.9 out of 5 from 203 ratings, while Boost App Social averages 4.7 from 3.6K ratings.

### Do Kaigyo or Boost App Social have ads?

Both Kaigyo and Boost App Social show ads.

### Which is updated more often, Kaigyo or Boost App Social?

Kaigyo ships an update monthly, and Boost App Social every 8 days. Most recently, Kaigyo was updated on October 14, 2026 and Boost App Social on October 13, 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.*