# INVA vs One Click One Dollar

The clearest difference is in-app purchases: INVA at none against One Click One Dollar's 8. INVA also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.0). One Click One Dollar's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. One Click One Dollar sells 8 one-off in-app purchases. INVA asks for nothing beyond the download.

INVA ships an update every 2 months, One Click One Dollar monthly. Both last shipped on October 4, 2026.

## The numbers

| Metric | INVA | One Click One Dollar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Size | 89 MB | 93 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Seang Senghoun](https://appshunter.io/developer/1652007343) | [Noun Rithy](https://appshunter.io/developer/1700889172) |

## What reviewers say

### INVA

[App page](https://appshunter.io/ios/app/inva/id6444162283)

**In-app purchases:** none


### One Click One Dollar

[App page](https://appshunter.io/ios/app/one-click-one-dollar/id6463720461)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 V point 0.99$ | $0.99 | one-time |
| 3 V points 2.99$ | $2.99 | one-time |
| 5 V points 4.99$ | $4.99 | one-time |
| 6 V points 5.99$ | $4.99 | one-time |
| 8 V points 6.99$ | $5.99 | one-time |
| 10 V points 8.99$ | $7.99 | one-time |
| 1week 9.99$ | $9.99 | one-time |
| 1month 29.99$ | $29.99 | one-time |


## Frequently asked questions

### Is INVA free?

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

### Is One Click One Dollar free?

One Click One Dollar is free to download, with in-app purchases available.

### Do INVA or One Click One Dollar have ads?

INVA shows ads; One Click One Dollar does not.

### Which is updated more often, INVA or One Click One Dollar?

INVA ships an update every 2 months, and One Click One Dollar monthly. Most recently, INVA was updated on October 4, 2026 and One Click One Dollar on October 4, 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.*