# Stamp Identifier vs OBD2 Codes | Repair Guide

The clearest difference is update cadence: OBD2 Codes | Repair Guide at fortnightly against Stamp Identifier's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Stamp Identifier sells 3 in-app purchases, starting at $4.99 per 7 days and OBD2 Codes | Repair Guide sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Stamp Identifier ships an update every 3 months, OBD2 Codes | Repair Guide fortnightly. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Stamp Identifier | OBD2 Codes | Repair Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (128 ratings)](https://appshunter.io/ios/app/stamp-identifier-stamp-value/id6504858531/reviews)** | — |
| Number of ratings | **128** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 143 MB | 65 MB |
| Requires iOS | **14.3** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vu Thuan](https://appshunter.io/developer/1721090083) | [sultan hamdi](https://appshunter.io/developer/6799153451) |

## What reviewers say

### Stamp Identifier

[App page](https://appshunter.io/ios/app/stamp-identifier-stamp-value/id6504858531)

Identify and assess the value of your stamps by simply taking a photo. This app provides details like country, issue year, and condition-based value. Organize your collection and learn fascinating facts about philately.

**Highlights:** Image recognition stamp identification, Stamp details (country, year, name), Condition-based value assessment, Digital stamp collection management, Philatelic knowledge and facts

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Year | $24.99 | per year |
| One time payment | $59.99 | one-time |


### OBD2 Codes | Repair Guide

[App page](https://appshunter.io/ios/app/obd2-codes-repair-guide/id6804091355)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $6.99 | one-time |


## Frequently asked questions

### Is Stamp Identifier free?

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

### Is OBD2 Codes | Repair Guide free?

OBD2 Codes | Repair Guide is free to download, with in-app purchases available.

### Do Stamp Identifier or OBD2 Codes | Repair Guide have ads?

Both Stamp Identifier and OBD2 Codes | Repair Guide show ads.

### Which is updated more often, Stamp Identifier or OBD2 Codes | Repair Guide?

Stamp Identifier ships an update every 3 months, and OBD2 Codes | Repair Guide fortnightly. Most recently, Stamp Identifier was updated on October 13, 2026 and OBD2 Codes | Repair Guide on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*