# InstaCal vs Delta Sleeps

The clearest difference is in-app purchases: Delta Sleeps at none against InstaCal's 3. InstaCal's advantage is ratings volume (27 vs 1) and iOS requirement (15.1 vs 17.0). On price, rating, ads and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for InstaCal against 5.0 for Delta Sleeps. That said, the two scores are not equally well evidenced: InstaCal has 27 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | InstaCal | Delta Sleeps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (27 ratings)](https://appshunter.io/ios/app/instacal/id6743951306/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/delta-sleeps/id6812470015/reviews) |
| Number of ratings | **27** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Freemium | **Free** |
| Size | 88 MB | 4 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Digital Delight LLC](https://appshunter.io/developer/1803828248) | [Global Source Data Solutions, inc.](https://appshunter.io/developer/6812470017) |

## What reviewers say

### 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 |


### Delta Sleeps

[App page](https://appshunter.io/ios/app/delta-sleeps/id6812470015)

This free application analyzes your sleep patterns using your device's microphone. It identifies sleep stages by detecting movement during different sleep cycles, helping you understand your rest.

**Highlights:** Microphone-based sleep analysis, Sleep stage detection, Movement-based sleep cycle identification, Free to use

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is InstaCal free?

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

### Is Delta Sleeps free?

Delta Sleeps is free to download, with no in-app purchases.

### Which has better reviews, InstaCal or Delta Sleeps?

InstaCal and Delta Sleeps are both rated 5.0 out of 5 on the App Store, from 27 and 1 ratings respectively.

### Do InstaCal or Delta Sleeps have ads?

Neither InstaCal nor Delta Sleeps shows ads.

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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.*