# ProofCase vs DueDog

The clearest difference is in-app purchases: ProofCase at none against DueDog's 4. ProofCase also leads on update cadence (daily vs every 5 days) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. DueDog sells 4 one-off in-app purchases. ProofCase asks for nothing beyond the download.

ProofCase ships an update daily, DueDog every 5 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | ProofCase | DueDog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 days |
| Size | 4 MB | 5 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Serhii Tykhonenko](https://appshunter.io/developer/1895816215) | [FRESHLAB IBERIA SLU](https://appshunter.io/developer/6801504016) |

## What reviewers say

### ProofCase

[App page](https://appshunter.io/ios/app/proofcase-receipt-tracker/id6768375130)

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

**In-app purchases:** none


### DueDog

[App page](https://appshunter.io/ios/app/duedog-receiptwarrantyfines/id6801574394)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy us a coffee | $1.99 | one-time |
| Buy us a tapa | $3.99 | one-time |
| Buy us dinner | $8.99 | one-time |
| Unlock DueDog Pro | $9.99 | one-time |


## Frequently asked questions

### Is ProofCase free?

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

### Is DueDog free?

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

### Do ProofCase or DueDog have ads?

Neither ProofCase nor DueDog shows ads.

### Which is updated more often, ProofCase or DueDog?

ProofCase ships an update daily, and DueDog every 5 days. Most recently, ProofCase was updated on November 5, 2026 and DueDog on November 6, 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.*