# Acurast vs Marvin's Compound Calculator

The clearest difference is in-app purchases: Acurast at none against Marvin's Compound Calculator's 2. Marvin's Compound Calculator's advantage is update cadence (every 3 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Marvin's Compound Calculator sells 2 one-off in-app purchases. Acurast asks for nothing beyond the download.

Acurast ships an update monthly, Marvin's Compound Calculator every 3 days. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Acurast | Marvin's Compound Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (207 ratings)](https://appshunter.io/ios/app/acurast-depin-node/id6517361921/reviews)** | — |
| Number of ratings | **207** | — |
| Positive reviews | 96.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | — |
| Size | 165 MB | 12 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Acurast](https://appshunter.io/developer/1755921188) | [Maojian Tang](https://appshunter.io/developer/1006529690) |

## What reviewers say

### Acurast

[App page](https://appshunter.io/ios/app/acurast-depin-node/id6517361921)

Transform your iPhone into a node for a decentralized cloud network. Earn cryptocurrency rewards by allowing your device to process small compute jobs for developers. No technical expertise is required to participate and contribute to a distributed infrastructure.

**Highlights:** Turn iPhone into a decentralized node, Earn ACU crypto rewards, No technical setup required, Jobs run in a secure sandbox, Contribute to DePIN network, Minimal battery impact

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to set up and use
- 🔒 Secure and stable app
- 💰 Opportunity to earn crypto
- 🌐 Contributes to decentralized network
- 🔋 Minimal impact on battery life

**What reviewers complain about**

- 🐛 Occasional connection issues
- 🔒 Requires app to be open, no background mode

**Reported bugs**

- Recent update causing app to crash after extended use
- Inconsistent earnings reporting

**Requested features**

- Background mode to continue earning while device is locked
- More device compatibility (older/Android)


### Marvin's Compound Calculator

[App page](https://appshunter.io/ios/app/marvins-compound-calculator/id6738075583)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Marvin的复利计算器-去广告高级版 | $1.99 | one-time |
| Premium Version | $1.99 | one-time |


## Frequently asked questions

### Is Acurast free?

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

### Is Marvin's Compound Calculator free?

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

### Do Acurast or Marvin's Compound Calculator have ads?

Neither Acurast nor Marvin's Compound Calculator shows ads.

### Which is updated more often, Acurast or Marvin's Compound Calculator?

Acurast ships an update monthly, and Marvin's Compound Calculator every 3 days. Most recently, Acurast was updated on November 4, 2026 and Marvin's Compound Calculator on November 8, 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.*