# PhiBer Accumulator vs OptiMOON

The clearest difference is update cadence: OptiMOON at every 3 weeks against PhiBer Accumulator's every 7 months. PhiBer Accumulator's advantage is iOS requirement (9.3 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PhiBer Accumulator ships an update every 7 months, OptiMOON every 3 weeks. The most recent releases landed on May 19, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | PhiBer Accumulator | OptiMOON |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Size | 191 MB | 43 MB |
| Requires iOS | **9.3** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JCA Electronics](https://appshunter.io/developer/971261570) | [Porsche Slovenija d.o.o](https://appshunter.io/developer/1446542306) |

## What reviewers say

### PhiBer Accumulator

[App page](https://appshunter.io/ios/app/phiber-accumulator/id1118955590)

**Features:** macOS Compatibility

**In-app purchases:** none


### OptiMOON

[App page](https://appshunter.io/ios/app/optimoon/id6736896444)

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

**In-app purchases:** none


## Frequently asked questions

### Is PhiBer Accumulator free?

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

### Is OptiMOON free?

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

### Do PhiBer Accumulator or OptiMOON have ads?

Neither PhiBer Accumulator nor OptiMOON shows ads.

### Which is updated more often, PhiBer Accumulator or OptiMOON?

PhiBer Accumulator ships an update every 7 months, and OptiMOON every 3 weeks. Most recently, PhiBer Accumulator was updated on May 19, 2026 and OptiMOON on September 12, 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.*