# ethos vs (AR) Number Line

The clearest difference is price: ethos at Free against (AR) Number Line's $0.99. ethos also leads on iOS requirement (12.0 vs 17.0). (AR) Number Line's advantage is in-app purchases (none vs 30). On update cadence, ads and device support there is nothing between them.

ethos is free to download; (AR) Number Line costs $0.99 up front. ethos sells 30 one-off in-app purchases. (AR) Number Line asks for nothing beyond the download.

ethos ships an update every 10 months, (AR) Number Line every 6 months. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ethos | (AR) Number Line |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 months** |
| Size | 31 MB | 11 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Schwengeler Verlag AG](https://appshunter.io/developer/1502116712) | [Christian Urff](https://appshunter.io/developer/415894463) |

## What reviewers say

### ethos

[App page](https://appshunter.io/ios/app/ethos/id1502116713)

**Features:** macOS Compatibility

**In-app purchases (30)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ethos 03/2023 | $4.99 | one-time |
| ethos 05/2023 | $4.99 | one-time |
| ethos (99568) | $4.99 | one-time |
| ethos (31357) | $4.99 | one-time |
| ethos (2670) | $4.99 | one-time |
| ethos (88249) | $4.99 | one-time |
| ethos (99052) | $4.99 | one-time |
| ethos 04/2023 | $4.99 | one-time |
| ethos (58966) | $4.99 | one-time |
| ethos (11835) | $4.99 | one-time |
| ethos (19828) | $4.99 | one-time |
| ethos (29259) | $4.99 | one-time |
| ethos (91226) | $4.99 | one-time |
| ethos (11748) | $4.99 | one-time |
| ethos (49541) | $4.99 | one-time |
| ethos (48380) | $4.99 | one-time |
| ethos (20608) | $4.99 | one-time |
| ethos (53919) | $4.99 | one-time |
| ethos (77271) | $4.99 | one-time |
| ethos (19869) | $4.99 | one-time |
| ethos (2610) | $9.99 | one-time |
| ethos (84265) | $9.99 | one-time |
| ethos (9783) | $9.99 | one-time |
| ethos (29467) | $9.99 | one-time |
| ethos (87198) | $9.99 | one-time |
| ethos (97255) | $9.99 | one-time |
| ethos (87199) | $9.99 | one-time |
| ethos (68563) | $9.99 | one-time |
| ethos (81749) | $9.99 | one-time |
| ethos (18820) | $9.99 | one-time |


### (AR) Number Line

[App page](https://appshunter.io/ios/app/ar-number-line/id6473689075)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ethos free?

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

### Is (AR) Number Line free?

(AR) Number Line costs $0.99, with no in-app purchases.

### Do ethos or (AR) Number Line have ads?

Neither ethos nor (AR) Number Line shows ads.

### Which is updated more often, ethos or (AR) Number Line?

ethos ships an update every 10 months, and (AR) Number Line every 6 months. Most recently, ethos was updated on October 18, 2026 and (AR) Number Line on October 7, 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.*