# Redefine vs BatMon

The clearest difference is update cadence: BatMon at every 3 weeks against Redefine'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.

Redefine ships an update every 2 months, BatMon every 3 weeks. The most recent releases landed on September 20, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Redefine | BatMon |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 158 MB | 63 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Think Digital (Pty) Ltd](https://appshunter.io/developer/1246694635) | [Monitor of Things Ltd](https://appshunter.io/developer/1713021167) |

## What reviewers say

### Redefine

[App page](https://appshunter.io/ios/app/redefine/id6443984622)

**In-app purchases:** none


### BatMon

[App page](https://appshunter.io/ios/app/batmon/id6479557813)

**In-app purchases:** none


## Frequently asked questions

### Is Redefine free?

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

### Is BatMon free?

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

### Do Redefine or BatMon have ads?

Neither Redefine nor BatMon shows ads.

### Which is updated more often, Redefine or BatMon?

Redefine ships an update every 2 months, and BatMon every 3 weeks. Most recently, Redefine was updated on September 20, 2026 and BatMon on September 23, 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.*