# FieldSolve vs Zeryn Precision

The clearest difference is update cadence: FieldSolve at every 4 days against Zeryn Precision's every 2 months. 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.

FieldSolve ships an update every 4 days, Zeryn Precision every 2 months. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | FieldSolve | Zeryn Precision |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Size | 28 MB | 47 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [EX Corporation Oy](https://appshunter.io/developer/1391053704) | [Trent Dunn](https://appshunter.io/developer/6790642481) |

## What reviewers say

### FieldSolve

[App page](https://appshunter.io/ios/app/fieldsolve-ballistic-calc/id6788091639)

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

**In-app purchases:** none


### Zeryn Precision

[App page](https://appshunter.io/ios/app/zeryn-precision/id6790642479)

**In-app purchases:** none


## Frequently asked questions

### Is FieldSolve free?

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

### Is Zeryn Precision free?

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

### Do FieldSolve or Zeryn Precision have ads?

Neither FieldSolve nor Zeryn Precision shows ads.

### Which is updated more often, FieldSolve or Zeryn Precision?

FieldSolve ships an update every 4 days, and Zeryn Precision every 2 months. Most recently, FieldSolve was updated on October 10, 2026 and Zeryn Precision on October 24, 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.*