555 Calc vs Tangle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
555 Calc
This utility app helps engineers and hobbyists calculate resistor values for circuits using the Timer IC 555. Simply input frequency, duty ratio, and capacitor values to get the required resistor outputs.
- Calculate resistor values
- Input frequency
- Input duty ratio
- Input capacitor value
- Timer IC 555 circuit design
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This App calculates registors value, when designing the circuit using Timer IC 555. How to (1) Input Frequency value. (2) Input Duty Ratio. (3) Input C1 Value. (4) Touch ‘Calculate’ button. (5) Registors value will be displayed. Note. * Set Duty Ratio to 50 ~ 99. * If you set Duty Ratio to 50, R1 value will be set to 0.
Tangle
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Stop untangling mystery cables. Tangle lets you tag every charger and cable with what it belongs to and where it's stored, so you never again waste time plugging in the wrong cable or hunting through a drawer. - Tag a cable with a name, device, and cable type (USB-C, Lightning, HDMI, etc.) - Note where it lives (kitchen drawer, office desk, travel bag) - Attach a photo so you can recognize it at a glance - Search instantly by device or storage spot - Works entirely offline: nothing leaves your device Free plan: tag up to 3 cables. Tangle Pro ($2.99 one-time): unlimited tagged cables and photo attachments, no subscription.
Screenshots
Verdict
The clearest difference is in-app purchases: 555 Calc at none against Tangle's 1. 555 Calc also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.0). Tangle's advantage is ads (none vs shown). On price there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Tangle sells 1 one-off in-app purchase. 555 Calc asks for nothing beyond the download.
| Parameter | 555 Calc | Tangle |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (3 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 20 months | — |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 18 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Jibiki Works | Joshua Deitel |
In-app purchases
555 Calc
No in-app purchases
Tangle
- Tangle Pro$2.99
Questions
Is 555 Calc free?
Is Tangle free?
Do 555 Calc or Tangle have ads?
Other comparisons
