Comparison

Fiberizer Plus vs otsora

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Fiberizer Plus

Features
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OPX-BOXe using WiFi; view OTDR traces; analyze/edit fiber optic test results. App supports VeEX Fiberscopes (DI-1000, DI-1000 MPO & DI-3000). Optimized for iPad screen layout. View connector end faces for contamination, pits and/or scratches. Pass/Fail Analysis in accordance with IEC-61300-3-35 standards. Save images in .jpg file format. Supports capture and analysis of single and MPO/MTP® multi-fiber end-faces. Saves OTDR and fiberscope results using default filenames, MyVeEX format in iPad. Push/Pull results to/from Fiberizer Cloud. View/retrieve results saved in iPhone, Fiberizer Cloud. Generate test reports.

About

otsora

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otsora is a private, on-device otdr trace viewer for fiber-optic technicians. open a .sor file from anywhere — files, airdrop, email — and get an instant analysis: · fiber length, total loss, optical return loss · per-event splice loss, reflectance, slope · vendor-quirk handling for exfo, viavi, anritsu, yokogawa, jdsu export any single-core analysis as a pdf link report. cable pro (one-time purchase) · analyze a multi-core cable in one pass — 1 to 288 cores · ranked repair locations across cores (splice clusters within 200 m) · per-core verdict + end-event classification (cut, crushed, mated pc, off-route…) · attach a kml/kmz route and see exactly where on the map to send a crew · watermark-free cable + per-core pdf reports try cable pro free for 7 days. no subscription and no automatic charge. after the trial, unlock pro permanently with one payment of US$15 (local prices vary). the single-core viewer stays free. restore your purchase from the account tab. private by design — traces never leave the device. no account, no upload, no telemetry. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://otsora.com/legal/privacy

Screenshots

Fiberizer Plus4 screens
otsora4 screens

Verdict

The call

The clearest difference is in-app purchases: Fiberizer Plus at none against otsora's 1. Fiberizer Plus also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.6). otsora's advantage is update cadence (every 4 months vs every 27 months). On price and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. otsora sells 1 in-app purchase, starting at $12.00 per month. Fiberizer Plus asks for nothing beyond the download.

UpkeepUpdate frequency

Fiberizer Plus ships an update every 27 months, otsora every 4 months. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

Scorecard4 real differences · 2 level
Fiberizer Plus versus otsora: the parameters behind the verdict, then further details
ParameterFiberizer Plusotsora
PriceFreeFree
Update frequencyEvery 27 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better18.6
Further details — not scored
Size48 MB2 MB
Age rating4+4+
DeveloperVeEX Incsirajuddin sirajuddin

In-app purchases

None

Fiberizer Plus

No in-app purchases

1 purchases

otsora

Subscriptions1
  • cable pro7 Days trial$12.001 Month

Questions

Is Fiberizer Plus free?
Fiberizer Plus is free to download, with no in-app purchases.
Is otsora free?
otsora is free to download, with in-app purchases available.
Do Fiberizer Plus or otsora have ads?
Neither Fiberizer Plus nor otsora shows ads.
Which is updated more often, Fiberizer Plus or otsora?
Fiberizer Plus ships an update every 27 months, and otsora every 4 months. Most recently, Fiberizer Plus was updated on October 7, 2026 and otsora on October 8, 2026.

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