# Studio Three vs InstaCal

Studio Three and InstaCal both sit at 5.0 stars, but that hides the real split: 100% of InstaCal's written reviews are positive against 55% of Studio Three's. InstaCal also leads on update cadence (every 4 days vs monthly). Studio Three's advantage is in-app purchases (none vs 3) and ratings volume (1.3K vs 26). On price, rating, ads and monetization model there is nothing between them.

Both are free to download. InstaCal sells 3 in-app purchases, starting at $7.99 per month. Studio Three asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Studio Three against 5.0 for InstaCal. That said, the two scores are not equally well evidenced: Studio Three has 1.3K ratings behind it against 26, so its average is the more settled of the two. Written reviews are what separate them: 55% of Studio Three's written reviews are positive against 100% of InstaCal's.

Studio Three ships an update monthly, InstaCal every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Studio Three | InstaCal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1.3K ratings)](https://appshunter.io/ios/app/studio-three-official-app/id1608080756/reviews) | **[5.0 (26 ratings)](https://appshunter.io/ios/app/instacal/id6743951306/reviews)** |
| Number of ratings | **1.3K** | 26 |
| Positive reviews | 54.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 38 MB | 88 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Studio Three Booking](https://appshunter.io/developer/1481799468) | [Digital Delight LLC](https://appshunter.io/developer/1803828248) |

## What reviewers say

### Studio Three

[App page](https://appshunter.io/ios/app/studio-three-official-app/id1608080756)

Book fitness classes at a boutique studio offering Interval, Cycle, Pilates, and Yoga. Access world-class instructors and versatile formats adaptable to any fitness level. Manage your bookings, track attendance, and earn rewards.

**Highlights:** Book classes and reserve spots, Filter by class, instructor, and location, Purchase classes easily, Track attendance history, Manage guest bookings, Earn loyalty rewards

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

**In-app purchases:** none


### InstaCal

[App page](https://appshunter.io/ios/app/instacal/id6743951306)

This AI-powered nutrition tracker uses photo scanning to instantly analyze your meals and provide macro breakdowns. Connect with friends through a social feed, discover local food options on a map, and gain insights from a virtual dietitian.

**Highlights:** AI photo meal analysis, Social food feed, Food discovery map, Multiple logging options, AI dietitian chat, Health and fitness app sync

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InstaCal | $7.99 | per month |
| InstaCal | $29.99 | per year |
| Streak Restore | $0.99 | one-time |


## Frequently asked questions

### Is Studio Three free?

Studio Three is free to download, with no in-app purchases.

### Is InstaCal free?

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

### Which has better reviews, Studio Three or InstaCal?

InstaCal is rated higher. Studio Three averages 5.0 out of 5 from 1.3K ratings, while InstaCal averages 5.0 from 26 ratings.

### Do Studio Three or InstaCal have ads?

Neither Studio Three nor InstaCal shows ads.

### Which is updated more often, Studio Three or InstaCal?

Studio Three ships an update monthly, and InstaCal every 4 days. Most recently, Studio Three was updated on October 24, 2026 and InstaCal 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.*