# GreenHills Space vs SendProof

The clearest difference is in-app purchases: GreenHills Space at none against SendProof's 3. GreenHills Space also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

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

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 23, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | GreenHills Space | SendProof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sendproof-accountability/id6760977881/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | — | Freemium |
| Size | 83 MB | 37 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Ahmed Fayeik Al Hamzawi](https://appshunter.io/developer/1859646290) | [Idanite LLC](https://appshunter.io/developer/1785910235) |

## What reviewers say

### GreenHills Space

[App page](https://appshunter.io/ios/app/greenhills-space/id6758551215)

**In-app purchases:** none


### SendProof

[App page](https://appshunter.io/ios/app/sendproof-accountability/id6760977881)

This app provides real accountability for habit tracking by requiring users to submit photo proof of their completed habits to a friend. It ensures that streaks are earned through actual evidence, not just self-reporting, fostering genuine progress.

**Highlights:** Photo proof for habits, Accountability partner review, Build honest streaks, Two-way coaching, Fast habit tracking, Goal and habit building

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SendProof Plus Monthly | $2.99 | per month |
| SendProof Plus Yearly | $24.99 | per year |
| Freeze Pack | $0.99 | one-time |


## Frequently asked questions

### Is GreenHills Space free?

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

### Is SendProof free?

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

### Do GreenHills Space or SendProof have ads?

SendProof shows ads; GreenHills Space does not.

### Which is updated more often, GreenHills Space or SendProof?

GreenHills Space ships an update fortnightly, and SendProof fortnightly. Most recently, GreenHills Space was updated on October 23, 2026 and SendProof on October 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.*