# isagpt vs Compound Calculator

The clearest difference is in-app purchases: isagpt at none against Compound Calculator's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Compound Calculator sells 3 in-app purchases, starting at $2.99 per month. isagpt asks for nothing beyond the download.

isagpt ships an update every 4 days, Compound Calculator every 5 days. The most recent releases landed on August 17, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | isagpt | Compound Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/isagpt/id6738778743/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | Free | — |
| Size | 1.7 GB | 5 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [IS browser LLC](https://appshunter.io/developer/1756279088) | [乐祥 胡](https://appshunter.io/developer/1572365721) |

## What reviewers say

### isagpt

[App page](https://appshunter.io/ios/app/isagpt/id6738778743)

This application offers an AI experience that does not rely on data centers, aiming to reduce water and energy consumption. It empowers users to utilize AI directly on their devices, promoting environmental consciousness.

**Highlights:** Zero AI Datacenter reliance, Reduced water consumption, Lower energy usage, On-device AI processing, Environmentally conscious AI

**Features:** macOS Compatibility

**In-app purchases:** none


### Compound Calculator

[App page](https://appshunter.io/ios/app/compound-calculator-lite/id6749442265)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Compound Calculator - Pro 30days | $2.99 | per month |
| Compound Calculator - Pro 360days | $14.99 | per year |
| Compound Calculator Pro - lifetime | $19.99 | one-time |


## Frequently asked questions

### Is isagpt free?

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

### Is Compound Calculator free?

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

### Do isagpt or Compound Calculator have ads?

Neither isagpt nor Compound Calculator shows ads.

### Which is updated more often, isagpt or Compound Calculator?

isagpt ships an update every 4 days, and Compound Calculator every 5 days. Most recently, isagpt was updated on August 17, 2026 and Compound Calculator on August 19, 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.*